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-rw-r--r--arch/arm/boot/dts/Makefile1
-rw-r--r--arch/arm/boot/dts/aspeed-ast2600-evb.dts80
-rw-r--r--arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi1154
-rw-r--r--arch/arm/boot/dts/aspeed-g6.dtsi261
-rw-r--r--drivers/clk/Makefile1
-rw-r--r--drivers/clk/clk-aspeed.c78
-rw-r--r--drivers/clk/clk-aspeed.h82
-rw-r--r--drivers/clk/clk-ast2600.c704
-rw-r--r--include/dt-bindings/clock/ast2600-clock.h113
9 files changed, 2407 insertions, 67 deletions
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 65213b526518..ced698e63908 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1269,6 +1269,7 @@ dtb-$(CONFIG_ARCH_MILBEAUT) += milbeaut-m10v-evb.dtb
dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
dtb-$(CONFIG_ARCH_ASPEED) += \
aspeed-ast2500-evb.dtb \
+ aspeed-ast2600-evb.dtb \
aspeed-bmc-arm-centriq2400-rep.dtb \
aspeed-bmc-arm-stardragon4800-rep2.dtb \
aspeed-bmc-facebook-cmm.dtb \
diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
new file mode 100644
index 000000000000..9870553919b7
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2019 IBM Corp.
+
+/dts-v1/;
+
+#include "aspeed-g6.dtsi"
+
+/ {
+ model = "AST2600 EVB";
+ compatible = "aspeed,ast2600";
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+ chosen {
+ bootargs = "console=ttyS4,115200n8";
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x80000000 0x80000000>;
+ };
+};
+
+&mdio1 {
+ status = "okay";
+
+ ethphy1: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+};
+
+&mdio2 {
+ status = "okay";
+
+ ethphy2: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+};
+
+&mdio3 {
+ status = "okay";
+
+ ethphy3: ethernet-phy@0 {
+ compatible = "ethernet-phy-ieee802.3-c22";
+ reg = <0>;
+ };
+};
+
+&mac1 {
+ status = "okay";
+
+ phy-mode = "rgmii";
+ phy-handle = <&ethphy1>;
+};
+
+&mac2 {
+ status = "okay";
+
+ phy-mode = "rgmii";
+ phy-handle = <&ethphy2>;
+};
+
+&mac3 {
+ status = "okay";
+
+ phy-mode = "rgmii";
+ phy-handle = <&ethphy3>;
+};
+
+&emmc {
+ status = "okay";
+};
+
+&rtc {
+ status = "okay";
+};
diff --git a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
new file mode 100644
index 000000000000..5b8bf58e89cb
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
@@ -0,0 +1,1154 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2019 IBM Corp.
+
+&pinctrl {
+ pinctrl_adc0_default: adc0_default {
+ function = "ADC0";
+ groups = "ADC0";
+ };
+
+ pinctrl_adc1_default: adc1_default {
+ function = "ADC1";
+ groups = "ADC1";
+ };
+
+ pinctrl_adc10_default: adc10_default {
+ function = "ADC10";
+ groups = "ADC10";
+ };
+
+ pinctrl_adc11_default: adc11_default {
+ function = "ADC11";
+ groups = "ADC11";
+ };
+
+ pinctrl_adc12_default: adc12_default {
+ function = "ADC12";
+ groups = "ADC12";
+ };
+
+ pinctrl_adc13_default: adc13_default {
+ function = "ADC13";
+ groups = "ADC13";
+ };
+
+ pinctrl_adc14_default: adc14_default {
+ function = "ADC14";
+ groups = "ADC14";
+ };
+
+ pinctrl_adc15_default: adc15_default {
+ function = "ADC15";
+ groups = "ADC15";
+ };
+
+ pinctrl_adc2_default: adc2_default {
+ function = "ADC2";
+ groups = "ADC2";
+ };
+
+ pinctrl_adc3_default: adc3_default {
+ function = "ADC3";
+ groups = "ADC3";
+ };
+
+ pinctrl_adc4_default: adc4_default {
+ function = "ADC4";
+ groups = "ADC4";
+ };
+
+ pinctrl_adc5_default: adc5_default {
+ function = "ADC5";
+ groups = "ADC5";
+ };
+
+ pinctrl_adc6_default: adc6_default {
+ function = "ADC6";
+ groups = "ADC6";
+ };
+
+ pinctrl_adc7_default: adc7_default {
+ function = "ADC7";
+ groups = "ADC7";
+ };
+
+ pinctrl_adc8_default: adc8_default {
+ function = "ADC8";
+ groups = "ADC8";
+ };
+
+ pinctrl_adc9_default: adc9_default {
+ function = "ADC9";
+ groups = "ADC9";
+ };
+
+ pinctrl_bmcint_default: bmcint_default {
+ function = "BMCINT";
+ groups = "BMCINT";
+ };
+
+ pinctrl_espi_default: espi_default {
+ function = "ESPI";
+ groups = "ESPI";
+ };
+
+ pinctrl_espialt_default: espialt_default {
+ function = "ESPIALT";
+ groups = "ESPIALT";
+ };
+
+ pinctrl_fsi1_default: fsi1_default {
+ function = "FSI1";
+ groups = "FSI1";
+ };
+
+ pinctrl_fsi2_default: fsi2_default {
+ function = "FSI2";
+ groups = "FSI2";
+ };
+
+ pinctrl_fwspiabr_default: fwspiabr_default {
+ function = "FWSPIABR";
+ groups = "FWSPIABR";
+ };
+
+ pinctrl_fwspid_default: fwspid_default {
+ function = "FWSPID";
+ groups = "FWSPID";
+ };
+
+ pinctrl_fwqspid_default: fwqspid_default {
+ function = "FWQSPID";
+ groups = "FWQSPID";
+ };
+
+ pinctrl_fwspiwp_default: fwspiwp_default {
+ function = "FWSPIWP";
+ groups = "FWSPIWP";
+ };
+
+ pinctrl_gpit0_default: gpit0_default {
+ function = "GPIT0";
+ groups = "GPIT0";
+ };
+
+ pinctrl_gpit1_default: gpit1_default {
+ function = "GPIT1";
+ groups = "GPIT1";
+ };
+
+ pinctrl_gpit2_default: gpit2_default {
+ function = "GPIT2";
+ groups = "GPIT2";
+ };
+
+ pinctrl_gpit3_default: gpit3_default {
+ function = "GPIT3";
+ groups = "GPIT3";
+ };
+
+ pinctrl_gpit4_default: gpit4_default {
+ function = "GPIT4";
+ groups = "GPIT4";
+ };
+
+ pinctrl_gpit5_default: gpit5_default {
+ function = "GPIT5";
+ groups = "GPIT5";
+ };
+
+ pinctrl_gpit6_default: gpit6_default {
+ function = "GPIT6";
+ groups = "GPIT6";
+ };
+
+ pinctrl_gpit7_default: gpit7_default {
+ function = "GPIT7";
+ groups = "GPIT7";
+ };
+
+ pinctrl_gpiu0_default: gpiu0_default {
+ function = "GPIU0";
+ groups = "GPIU0";
+ };
+
+ pinctrl_gpiu1_default: gpiu1_default {
+ function = "GPIU1";
+ groups = "GPIU1";
+ };
+
+ pinctrl_gpiu2_default: gpiu2_default {
+ function = "GPIU2";
+ groups = "GPIU2";
+ };
+
+ pinctrl_gpiu3_default: gpiu3_default {
+ function = "GPIU3";
+ groups = "GPIU3";
+ };
+
+ pinctrl_gpiu4_default: gpiu4_default {
+ function = "GPIU4";
+ groups = "GPIU4";
+ };
+
+ pinctrl_gpiu5_default: gpiu5_default {
+ function = "GPIU5";
+ groups = "GPIU5";
+ };
+
+ pinctrl_gpiu6_default: gpiu6_default {
+ function = "GPIU6";
+ groups = "GPIU6";
+ };
+
+ pinctrl_gpiu7_default: gpiu7_default {
+ function = "GPIU7";
+ groups = "GPIU7";
+ };
+
+ pinctrl_hvi3c3_default: hvi3c3_default {
+ function = "HVI3C3";
+ groups = "HVI3C3";
+ };
+
+ pinctrl_hvi3c4_default: hvi3c4_default {
+ function = "HVI3C4";
+ groups = "HVI3C4";
+ };
+
+ pinctrl_i2c1_default: i2c1_default {
+ function = "I2C1";
+ groups = "I2C1";
+ };
+
+ pinctrl_i2c10_default: i2c10_default {
+ function = "I2C10";
+ groups = "I2C10";
+ };
+
+ pinctrl_i2c11_default: i2c11_default {
+ function = "I2C11";
+ groups = "I2C11";
+ };
+
+ pinctrl_i2c12_default: i2c12_default {
+ function = "I2C12";
+ groups = "I2C12";
+ };
+
+ pinctrl_i2c13_default: i2c13_default {
+ function = "I2C13";
+ groups = "I2C13";
+ };
+
+ pinctrl_i2c14_default: i2c14_default {
+ function = "I2C14";
+ groups = "I2C14";
+ };
+
+ pinctrl_i2c15_default: i2c15_default {
+ function = "I2C15";
+ groups = "I2C15";
+ };
+
+ pinctrl_i2c16_default: i2c16_default {
+ function = "I2C16";
+ groups = "I2C16";
+ };
+
+ pinctrl_i2c2_default: i2c2_default {
+ function = "I2C2";
+ groups = "I2C2";
+ };
+
+ pinctrl_i2c3_default: i2c3_default {
+ function = "I2C3";
+ groups = "I2C3";
+ };
+
+ pinctrl_i2c4_default: i2c4_default {
+ function = "I2C4";
+ groups = "I2C4";
+ };
+
+ pinctrl_i2c5_default: i2c5_default {
+ function = "I2C5";
+ groups = "I2C5";
+ };
+
+ pinctrl_i2c6_default: i2c6_default {
+ function = "I2C6";
+ groups = "I2C6";
+ };
+
+ pinctrl_i2c7_default: i2c7_default {
+ function = "I2C7";
+ groups = "I2C7";
+ };
+
+ pinctrl_i2c8_default: i2c8_default {
+ function = "I2C8";
+ groups = "I2C8";
+ };
+
+ pinctrl_i2c9_default: i2c9_default {
+ function = "I2C9";
+ groups = "I2C9";
+ };
+
+ pinctrl_i3c3_default: i3c3_default {
+ function = "I3C3";
+ groups = "I3C3";
+ };
+
+ pinctrl_i3c4_default: i3c4_default {
+ function = "I3C4";
+ groups = "I3C4";
+ };
+
+ pinctrl_i3c5_default: i3c5_default {
+ function = "I3C5";
+ groups = "I3C5";
+ };
+
+ pinctrl_i3c6_default: i3c6_default {
+ function = "I3C6";
+ groups = "I3C6";
+ };
+
+ pinctrl_jtagm_default: jtagm_default {
+ function = "JTAGM";
+ groups = "JTAGM";
+ };
+
+ pinctrl_lhpd_default: lhpd_default {
+ function = "LHPD";
+ groups = "LHPD";
+ };
+
+ pinctrl_lhsirq_default: lhsirq_default {
+ function = "LHSIRQ";
+ groups = "LHSIRQ";
+ };
+
+ pinctrl_lpc_default: lpc_default {
+ function = "LPC";
+ groups = "LPC";
+ };
+
+ pinctrl_lpchc_default: lpchc_default {
+ function = "LPCHC";
+ groups = "LPCHC";
+ };
+
+ pinctrl_lpcpd_default: lpcpd_default {
+ function = "LPCPD";
+ groups = "LPCPD";
+ };
+
+ pinctrl_lpcpme_default: lpcpme_default {
+ function = "LPCPME";
+ groups = "LPCPME";
+ };
+
+ pinctrl_lpcsmi_default: lpcsmi_default {
+ function = "LPCSMI";
+ groups = "LPCSMI";
+ };
+
+ pinctrl_lsirq_default: lsirq_default {
+ function = "LSIRQ";
+ groups = "LSIRQ";
+ };
+
+ pinctrl_maclink1_default: maclink1_default {
+ function = "MACLINK1";
+ groups = "MACLINK1";
+ };
+
+ pinctrl_maclink2_default: maclink2_default {
+ function = "MACLINK2";
+ groups = "MACLINK2";
+ };
+
+ pinctrl_maclink3_default: maclink3_default {
+ function = "MACLINK3";
+ groups = "MACLINK3";
+ };
+
+ pinctrl_maclink4_default: maclink4_default {
+ function = "MACLINK4";
+ groups = "MACLINK4";
+ };
+
+ pinctrl_mdio1_default: mdio1_default {
+ function = "MDIO1";
+ groups = "MDIO1";
+ };
+
+ pinctrl_mdio2_default: mdio2_default {
+ function = "MDIO2";
+ groups = "MDIO2";
+ };
+
+ pinctrl_mdio3_default: mdio3_default {
+ function = "MDIO3";
+ groups = "MDIO3";
+ };
+
+ pinctrl_mdio4_default: mdio4_default {
+ function = "MDIO4";
+ groups = "MDIO4";
+ };
+
+ pinctrl_ncts1_default: ncts1_default {
+ function = "NCTS1";
+ groups = "NCTS1";
+ };
+
+ pinctrl_ncts2_default: ncts2_default {
+ function = "NCTS2";
+ groups = "NCTS2";
+ };
+
+ pinctrl_ncts3_default: ncts3_default {
+ function = "NCTS3";
+ groups = "NCTS3";
+ };
+
+ pinctrl_ncts4_default: ncts4_default {
+ function = "NCTS4";
+ groups = "NCTS4";
+ };
+
+ pinctrl_ndcd1_default: ndcd1_default {
+ function = "NDCD1";
+ groups = "NDCD1";
+ };
+
+ pinctrl_ndcd2_default: ndcd2_default {
+ function = "NDCD2";
+ groups = "NDCD2";
+ };
+
+ pinctrl_ndcd3_default: ndcd3_default {
+ function = "NDCD3";
+ groups = "NDCD3";
+ };
+
+ pinctrl_ndcd4_default: ndcd4_default {
+ function = "NDCD4";
+ groups = "NDCD4";
+ };
+
+ pinctrl_ndsr1_default: ndsr1_default {
+ function = "NDSR1";
+ groups = "NDSR1";
+ };
+
+ pinctrl_ndsr2_default: ndsr2_default {
+ function = "NDSR2";
+ groups = "NDSR2";
+ };
+
+ pinctrl_ndsr3_default: ndsr3_default {
+ function = "NDSR3";
+ groups = "NDSR3";
+ };
+
+ pinctrl_ndsr4_default: ndsr4_default {
+ function = "NDSR4";
+ groups = "NDSR4";
+ };
+
+ pinctrl_ndtr1_default: ndtr1_default {
+ function = "NDTR1";
+ groups = "NDTR1";
+ };
+
+ pinctrl_ndtr2_default: ndtr2_default {
+ function = "NDTR2";
+ groups = "NDTR2";
+ };
+
+ pinctrl_ndtr3_default: ndtr3_default {
+ function = "NDTR3";
+ groups = "NDTR3";
+ };
+
+ pinctrl_ndtr4_default: ndtr4_default {
+ function = "NDTR4";
+ groups = "NDTR4";
+ };
+
+ pinctrl_nri1_default: nri1_default {
+ function = "NRI1";
+ groups = "NRI1";
+ };
+
+ pinctrl_nri2_default: nri2_default {
+ function = "NRI2";
+ groups = "NRI2";
+ };
+
+ pinctrl_nri3_default: nri3_default {
+ function = "NRI3";
+ groups = "NRI3";
+ };
+
+ pinctrl_nri4_default: nri4_default {
+ function = "NRI4";
+ groups = "NRI4";
+ };
+
+ pinctrl_nrts1_default: nrts1_default {
+ function = "NRTS1";
+ groups = "NRTS1";
+ };
+
+ pinctrl_nrts2_default: nrts2_default {
+ function = "NRTS2";
+ groups = "NRTS2";
+ };
+
+ pinctrl_nrts3_default: nrts3_default {
+ function = "NRTS3";
+ groups = "NRTS3";
+ };
+
+ pinctrl_nrts4_default: nrts4_default {
+ function = "NRTS4";
+ groups = "NRTS4";
+ };
+
+ pinctrl_oscclk_default: oscclk_default {
+ function = "OSCCLK";
+ groups = "OSCCLK";
+ };
+
+ pinctrl_pewake_default: pewake_default {
+ function = "PEWAKE";
+ groups = "PEWAKE";
+ };
+
+ pinctrl_pwm0_default: pwm0_default {
+ function = "PWM0";
+ groups = "PWM0";
+ };
+
+ pinctrl_pwm1_default: pwm1_default {
+ function = "PWM1";
+ groups = "PWM1";
+ };
+
+ pinctrl_pwm10g0_default: pwm10g0_default {
+ function = "PWM10";
+ groups = "PWM10G0";
+ };
+
+ pinctrl_pwm10g1_default: pwm10g1_default {
+ function = "PWM10";
+ groups = "PWM10G1";
+ };
+
+ pinctrl_pwm11g0_default: pwm11g0_default {
+ function = "PWM11";
+ groups = "PWM11G0";
+ };
+
+ pinctrl_pwm11g1_default: pwm11g1_default {
+ function = "PWM11";
+ groups = "PWM11G1";
+ };
+
+ pinctrl_pwm12g0_default: pwm12g0_default {
+ function = "PWM12";
+ groups = "PWM12G0";
+ };
+
+ pinctrl_pwm12g1_default: pwm12g1_default {
+ function = "PWM12";
+ groups = "PWM12G1";
+ };
+
+ pinctrl_pwm13g0_default: pwm13g0_default {
+ function = "PWM13";
+ groups = "PWM13G0";
+ };
+
+ pinctrl_pwm13g1_default: pwm13g1_default {
+ function = "PWM13";
+ groups = "PWM13G1";
+ };
+
+ pinctrl_pwm14g0_default: pwm14g0_default {
+ function = "PWM14";
+ groups = "PWM14G0";
+ };
+
+ pinctrl_pwm14g1_default: pwm14g1_default {
+ function = "PWM14";
+ groups = "PWM14G1";
+ };
+
+ pinctrl_pwm15g0_default: pwm15g0_default {
+ function = "PWM15";
+ groups = "PWM15G0";
+ };
+
+ pinctrl_pwm15g1_default: pwm15g1_default {
+ function = "PWM15";
+ groups = "PWM15G1";
+ };
+
+ pinctrl_pwm2_default: pwm2_default {
+ function = "PWM2";
+ groups = "PWM2";
+ };
+
+ pinctrl_pwm3_default: pwm3_default {
+ function = "PWM3";
+ groups = "PWM3";
+ };
+
+ pinctrl_pwm4_default: pwm4_default {
+ function = "PWM4";
+ groups = "PWM4";
+ };
+
+ pinctrl_pwm5_default: pwm5_default {
+ function = "PWM5";
+ groups = "PWM5";
+ };
+
+ pinctrl_pwm6_default: pwm6_default {
+ function = "PWM6";
+ groups = "PWM6";
+ };
+
+ pinctrl_pwm7_default: pwm7_default {
+ function = "PWM7";
+ groups = "PWM7";
+ };
+
+ pinctrl_pwm8g0_default: pwm8g0_default {
+ function = "PWM8";
+ groups = "PWM8G0";
+ };
+
+ pinctrl_pwm8g1_default: pwm8g1_default {
+ function = "PWM8";
+ groups = "PWM8G1";
+ };
+
+ pinctrl_pwm9g0_default: pwm9g0_default {
+ function = "PWM9";
+ groups = "PWM9G0";
+ };
+
+ pinctrl_pwm9g1_default: pwm9g1_default {
+ function = "PWM9";
+ groups = "PWM9G1";
+ };
+
+ pinctrl_qspi1_default: qspi1_default {
+ function = "QSPI1";
+ groups = "QSPI1";
+ };
+
+ pinctrl_qspi2_default: qspi2_default {
+ function = "QSPI2";
+ groups = "QSPI2";
+ };
+
+ pinctrl_rgmii1_default: rgmii1_default {
+ function = "RGMII1";
+ groups = "RGMII1";
+ };
+
+ pinctrl_rgmii2_default: rgmii2_default {
+ function = "RGMII2";
+ groups = "RGMII2";
+ };
+
+ pinctrl_rgmii3_default: rgmii3_default {
+ function = "RGMII3";
+ groups = "RGMII3";
+ };
+
+ pinctrl_rgmii4_default: rgmii4_default {
+ function = "RGMII4";
+ groups = "RGMII4";
+ };
+
+ pinctrl_rmii1_default: rmii1_default {
+ function = "RMII1";
+ groups = "RMII1";
+ };
+
+ pinctrl_rmii2_default: rmii2_default {
+ function = "RMII2";
+ groups = "RMII2";
+ };
+
+ pinctrl_rmii3_default: rmii3_default {
+ function = "RMII3";
+ groups = "RMII3";
+ };
+
+ pinctrl_rmii4_default: rmii4_default {
+ function = "RMII4";
+ groups = "RMII4";
+ };
+
+ pinctrl_rxd1_default: rxd1_default {
+ function = "RXD1";
+ groups = "RXD1";
+ };
+
+ pinctrl_rxd2_default: rxd2_default {
+ function = "RXD2";
+ groups = "RXD2";
+ };
+
+ pinctrl_rxd3_default: rxd3_default {
+ function = "RXD3";
+ groups = "RXD3";
+ };
+
+ pinctrl_rxd4_default: rxd4_default {
+ function = "RXD4";
+ groups = "RXD4";
+ };
+
+ pinctrl_salt1_default: salt1_default {
+ function = "SALT1";
+ groups = "SALT1";
+ };
+
+ pinctrl_salt10g0_default: salt10g0_default {
+ function = "SALT10";
+ groups = "SALT10G0";
+ };
+
+ pinctrl_salt10g1_default: salt10g1_default {
+ function = "SALT10";
+ groups = "SALT10G1";
+ };
+
+ pinctrl_salt11g0_default: salt11g0_default {
+ function = "SALT11";
+ groups = "SALT11G0";
+ };
+
+ pinctrl_salt11g1_default: salt11g1_default {
+ function = "SALT11";
+ groups = "SALT11G1";
+ };
+
+ pinctrl_salt12g0_default: salt12g0_default {
+ function = "SALT12";
+ groups = "SALT12G0";
+ };
+
+ pinctrl_salt12g1_default: salt12g1_default {
+ function = "SALT12";
+ groups = "SALT12G1";
+ };
+
+ pinctrl_salt13g0_default: salt13g0_default {
+ function = "SALT13";
+ groups = "SALT13G0";
+ };
+
+ pinctrl_salt13g1_default: salt13g1_default {
+ function = "SALT13";
+ groups = "SALT13G1";
+ };
+
+ pinctrl_salt14g0_default: salt14g0_default {
+ function = "SALT14";
+ groups = "SALT14G0";
+ };
+
+ pinctrl_salt14g1_default: salt14g1_default {
+ function = "SALT14";
+ groups = "SALT14G1";
+ };
+
+ pinctrl_salt15g0_default: salt15g0_default {
+ function = "SALT15";
+ groups = "SALT15G0";
+ };
+
+ pinctrl_salt15g1_default: salt15g1_default {
+ function = "SALT15";
+ groups = "SALT15G1";
+ };
+
+ pinctrl_salt16g0_default: salt16g0_default {
+ function = "SALT16";
+ groups = "SALT16G0";
+ };
+
+ pinctrl_salt16g1_default: salt16g1_default {
+ function = "SALT16";
+ groups = "SALT16G1";
+ };
+
+ pinctrl_salt2_default: salt2_default {
+ function = "SALT2";
+ groups = "SALT2";
+ };
+
+ pinctrl_salt3_default: salt3_default {
+ function = "SALT3";
+ groups = "SALT3";
+ };
+
+ pinctrl_salt4_default: salt4_default {
+ function = "SALT4";
+ groups = "SALT4";
+ };
+
+ pinctrl_salt5_default: salt5_default {
+ function = "SALT5";
+ groups = "SALT5";
+ };
+
+ pinctrl_salt6_default: salt6_default {
+ function = "SALT6";
+ groups = "SALT6";
+ };
+
+ pinctrl_salt7_default: salt7_default {
+ function = "SALT7";
+ groups = "SALT7";
+ };
+
+ pinctrl_salt8_default: salt8_default {
+ function = "SALT8";
+ groups = "SALT8";
+ };
+
+ pinctrl_salt9g0_default: salt9g0_default {
+ function = "SALT9";
+ groups = "SALT9G0";
+ };
+
+ pinctrl_salt9g1_default: salt9g1_default {
+ function = "SALT9";
+ groups = "SALT9G1";
+ };
+
+ pinctrl_sd1_default: sd1_default {
+ function = "SD1";
+ groups = "SD1";
+ };
+
+ pinctrl_sd2_default: sd2_default {
+ function = "SD2";
+ groups = "SD2";
+ };
+
+ pinctrl_sd3_default: sd3_default {
+ function = "SD3";
+ groups = "SD3";
+ };
+
+ pinctrl_emmc_default: emmc_default {
+ function = "SD3";
+ groups = "EMMC";
+ };
+
+ pinctrl_sgpm1_default: sgpm1_default {
+ function = "SGPM1";
+ groups = "SGPM1";
+ };
+
+ pinctrl_sgps1_default: sgps1_default {
+ function = "SGPS1";
+ groups = "SGPS1";
+ };
+
+ pinctrl_sioonctrl_default: sioonctrl_default {
+ function = "SIOONCTRL";
+ groups = "SIOONCTRL";
+ };
+
+ pinctrl_siopbi_default: siopbi_default {
+ function = "SIOPBI";
+ groups = "SIOPBI";
+ };
+
+ pinctrl_siopbo_default: siopbo_default {
+ function = "SIOPBO";
+ groups = "SIOPBO";
+ };
+
+ pinctrl_siopwreq_default: siopwreq_default {
+ function = "SIOPWREQ";
+ groups = "SIOPWREQ";
+ };
+
+ pinctrl_siopwrgd_default: siopwrgd_default {
+ function = "SIOPWRGD";
+ groups = "SIOPWRGD";
+ };
+
+ pinctrl_sios3_default: sios3_default {
+ function = "SIOS3";
+ groups = "SIOS3";
+ };
+
+ pinctrl_sios5_default: sios5_default {
+ function = "SIOS5";
+ groups = "SIOS5";
+ };
+
+ pinctrl_siosci_default: siosci_default {
+ function = "SIOSCI";
+ groups = "SIOSCI";
+ };
+
+ pinctrl_spi1_default: spi1_default {
+ function = "SPI1";
+ groups = "SPI1";
+ };
+
+ pinctrl_spi1abr_default: spi1abr_default {
+ function = "SPI1ABR";
+ groups = "SPI1ABR";
+ };
+
+ pinctrl_spi1cs1_default: spi1cs1_default {
+ function = "SPI1CS1";
+ groups = "SPI1CS1";
+ };
+
+ pinctrl_spi1wp_default: spi1wp_default {
+ function = "SPI1WP";
+ groups = "SPI1WP";
+ };
+
+ pinctrl_spi2_default: spi2_default {
+ function = "SPI2";
+ groups = "SPI2";
+ };
+
+ pinctrl_spi2cs1_default: spi2cs1_default {
+ function = "SPI2CS1";
+ groups = "SPI2CS1";
+ };
+
+ pinctrl_spi2cs2_default: spi2cs2_default {
+ function = "SPI2CS2";
+ groups = "SPI2CS2";
+ };
+
+ pinctrl_tach0_default: tach0_default {
+ function = "TACH0";
+ groups = "TACH0";
+ };
+
+ pinctrl_tach1_default: tach1_default {
+ function = "TACH1";
+ groups = "TACH1";
+ };
+
+ pinctrl_tach10_default: tach10_default {
+ function = "TACH10";
+ groups = "TACH10";
+ };
+
+ pinctrl_tach11_default: tach11_default {
+ function = "TACH11";
+ groups = "TACH11";
+ };
+
+ pinctrl_tach12_default: tach12_default {
+ function = "TACH12";
+ groups = "TACH12";
+ };
+
+ pinctrl_tach13_default: tach13_default {
+ function = "TACH13";
+ groups = "TACH13";
+ };
+
+ pinctrl_tach14_default: tach14_default {
+ function = "TACH14";
+ groups = "TACH14";
+ };
+
+ pinctrl_tach15_default: tach15_default {
+ function = "TACH15";
+ groups = "TACH15";
+ };
+
+ pinctrl_tach2_default: tach2_default {
+ function = "TACH2";
+ groups = "TACH2";
+ };
+
+ pinctrl_tach3_default: tach3_default {
+ function = "TACH3";
+ groups = "TACH3";
+ };
+
+ pinctrl_tach4_default: tach4_default {
+ function = "TACH4";
+ groups = "TACH4";
+ };
+
+ pinctrl_tach5_default: tach5_default {
+ function = "TACH5";
+ groups = "TACH5";
+ };
+
+ pinctrl_tach6_default: tach6_default {
+ function = "TACH6";
+ groups = "TACH6";
+ };
+
+ pinctrl_tach7_default: tach7_default {
+ function = "TACH7";
+ groups = "TACH7";
+ };
+
+ pinctrl_tach8_default: tach8_default {
+ function = "TACH8";
+ groups = "TACH8";
+ };
+
+ pinctrl_tach9_default: tach9_default {
+ function = "TACH9";
+ groups = "TACH9";
+ };
+
+ pinctrl_thru0_default: thru0_default {
+ function = "THRU0";
+ groups = "THRU0";
+ };
+
+ pinctrl_thru1_default: thru1_default {
+ function = "THRU1";
+ groups = "THRU1";
+ };
+
+ pinctrl_thru2_default: thru2_default {
+ function = "THRU2";
+ groups = "THRU2";
+ };
+
+ pinctrl_thru3_default: thru3_default {
+ function = "THRU3";
+ groups = "THRU3";
+ };
+
+ pinctrl_txd1_default: txd1_default {
+ function = "TXD1";
+ groups = "TXD1";
+ };
+
+ pinctrl_txd2_default: txd2_default {
+ function = "TXD2";
+ groups = "TXD2";
+ };
+
+ pinctrl_txd3_default: txd3_default {
+ function = "TXD3";
+ groups = "TXD3";
+ };
+
+ pinctrl_txd4_default: txd4_default {
+ function = "TXD4";
+ groups = "TXD4";
+ };
+
+ pinctrl_uart10_default: uart10_default {
+ function = "UART10";
+ groups = "UART10";
+ };
+
+ pinctrl_uart11_default: uart11_default {
+ function = "UART11";
+ groups = "UART11";
+ };
+
+ pinctrl_uart12g0_default: uart12g0_default {
+ function = "UART12";
+ groups = "UART12G0";
+ };
+
+ pinctrl_uart12g1_default: uart12g1_default {
+ function = "UART12";
+ groups = "UART12G1";
+ };
+
+ pinctrl_uart13g0_default: uart13g0_default {
+ function = "UART13";
+ groups = "UART13G0";
+ };
+
+ pinctrl_uart13g1_default: uart13g1_default {
+ function = "UART13";
+ groups = "UART13G1";
+ };
+
+ pinctrl_uart6_default: uart6_default {
+ function = "UART6";
+ groups = "UART6";
+ };
+
+ pinctrl_uart7_default: uart7_default {
+ function = "UART7";
+ groups = "UART7";
+ };
+
+ pinctrl_uart8_default: uart8_default {
+ function = "UART8";
+ groups = "UART8";
+ };
+
+ pinctrl_uart9_default: uart9_default {
+ function = "UART9";
+ groups = "UART9";
+ };
+
+ pinctrl_vb_default: vb_default {
+ function = "VB";
+ groups = "VB";
+ };
+
+ pinctrl_vgahs_default: vgahs_default {
+ function = "VGAHS";
+ groups = "VGAHS";
+ };
+
+ pinctrl_vgavs_default: vgavs_default {
+ function = "VGAVS";
+ groups = "VGAVS";
+ };
+
+ pinctrl_wdtrst1_default: wdtrst1_default {
+ function = "WDTRST1";
+ groups = "WDTRST1";
+ };
+
+ pinctrl_wdtrst2_default: wdtrst2_default {
+ function = "WDTRST2";
+ groups = "WDTRST2";
+ };
+
+ pinctrl_wdtrst3_default: wdtrst3_default {
+ function = "WDTRST3";
+ groups = "WDTRST3";
+ };
+
+ pinctrl_wdtrst4_default: wdtrst4_default {
+ function = "WDTRST4";
+ groups = "WDTRST4";
+ };
+};
diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
new file mode 100644
index 000000000000..3a1422f7c49c
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -0,0 +1,261 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright 2019 IBM Corp.
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/ast2600-clock.h>
+
+/ {
+ model = "Aspeed BMC";
+ compatible = "aspeed,ast2600";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ interrupt-parent = <&gic>;
+
+ aliases {
+ serial4 = &uart5;
+ };
+
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ enable-method = "aspeed,ast2600-smp";
+
+ cpu@f00 {
+ compatible = "arm,cortex-a7";
+ device_type = "cpu";
+ reg = <0xf00>;
+ };
+
+ cpu@f01 {
+ compatible = "arm,cortex-a7";
+ device_type = "cpu";
+ reg = <0xf01>;
+ };
+ };
+
+ timer {
+ compatible = "arm,armv7-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+ clocks = <&syscon ASPEED_CLK_HPLL>;
+ arm,cpu-registers-not-fw-configured;
+ };
+
+ ahb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "soc";
+ ranges;
+
+ gic: interrupt-controller@40461000 {
+ compatible = "arm,cortex-a7-gic";
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
+ reg = <0x40461000 0x1000>,
+ <0x40462000 0x1000>,
+ <0x40464000 0x2000>,
+ <0x40466000 0x2000>;
+ };
+
+ mdio0: mdio@1e650000 {
+ compatible = "aspeed,ast2600-mdio";
+ reg = <0x1e650000 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ mdio1: mdio@1e650008 {
+ compatible = "aspeed,ast2600-mdio";
+ reg = <0x1e650008 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ mdio2: mdio@1e650010 {
+ compatible = "aspeed,ast2600-mdio";
+ reg = <0x1e650010 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ mdio3: mdio@1e650018 {
+ compatible = "aspeed,ast2600-mdio";
+ reg = <0x1e650018 0x8>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ mac0: ftgmac@1e660000 {
+ compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+ reg = <0x1e660000 0x180>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>;
+ status = "disabled";
+ };
+
+ mac1: ftgmac@1e680000 {
+ compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+ reg = <0x1e680000 0x180>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC2CLK>;
+ status = "disabled";
+ };
+
+ mac2: ftgmac@1e670000 {
+ compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+ reg = <0x1e670000 0x180>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC3CLK>;
+ status = "disabled";
+ };
+
+ mac3: ftgmac@1e690000 {
+ compatible = "aspeed,ast2600-mac", "faraday,ftgmac100";
+ reg = <0x1e690000 0x180>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_GATE_MAC4CLK>;
+ status = "disabled";
+ };
+
+ apb {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ syscon: syscon@1e6e2000 {
+ compatible = "aspeed,ast2600-scu", "syscon", "simple-mfd";
+ reg = <0x1e6e2000 0x1000>;
+ ranges = <0 0x1e6e2000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ pinctrl: pinctrl {
+ compatible = "aspeed,ast2600-pinctrl";
+ };
+
+ smp-memram@180 {
+ compatible = "aspeed,ast2600-smpmem";
+ reg = <0x180 0x40>;
+ };
+ };
+
+ rng: hwrng@1e6e2524 {
+ compatible = "timeriomem_rng";
+ reg = <0x1e6e2524 0x4>;
+ period = <1>;
+ quality = <100>;
+ };
+
+ rtc: rtc@1e781000 {
+ compatible = "aspeed,ast2600-rtc";
+ reg = <0x1e781000 0x18>;
+ interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
+ status = "disabled";
+ };
+
+ uart5: serial@1e784000 {
+ compatible = "ns16550a";
+ reg = <0x1e784000 0x1000>;
+ reg-shift = <2>;
+ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_GATE_UART5CLK>;
+ no-loopback-test;
+ };
+
+ wdt1: watchdog@1e785000 {
+ compatible = "aspeed,ast2600-wdt";
+ reg = <0x1e785000 0x40>;
+ };
+
+ wdt2: watchdog@1e785040 {
+ compatible = "aspeed,ast2600-wdt";
+ reg = <0x1e785040 0x40>;
+ status = "disabled";
+ };
+
+ wdt3: watchdog@1e785080 {
+ compatible = "aspeed,ast2600-wdt";
+ reg = <0x1e785080 0x40>;
+ status = "disabled";
+ };
+
+ wdt4: watchdog@1e7850C0 {
+ compatible = "aspeed,ast2600-wdt";
+ reg = <0x1e7850C0 0x40>;
+ status = "disabled";
+ };
+
+ sdc: sdc@1e740000 {
+ compatible = "aspeed,ast2600-sd-controller";
+ reg = <0x1e740000 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x1e740000 0x10000>;
+ clocks = <&syscon ASPEED_CLK_GATE_SDCLK>;
+ status = "disabled";
+
+ sdhci0: sdhci@1e740100 {
+ compatible = "aspeed,ast2600-sdhci", "sdhci";
+ reg = <0x100 0x100>;
+ interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+ sdhci,auto-cmd12;
+ clocks = <&syscon ASPEED_CLK_SDIO>;
+ status = "disabled";
+ };
+
+ sdhci1: sdhci@1e740200 {
+ compatible = "aspeed,ast2600-sdhci", "sdhci";
+ reg = <0x200 0x100>;
+ interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
+ sdhci,auto-cmd12;
+ clocks = <&syscon ASPEED_CLK_SDIO>;
+ status = "disabled";
+ };
+ };
+
+ emmc: sdc@1e750000 {
+ compatible = "aspeed,ast2600-sd-controller";
+ reg = <0x1e750000 0x100>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x1e750000 0x10000>;
+ clocks = <&syscon ASPEED_CLK_GATE_EMMCCLK>;
+ status = "disabled";
+
+ sdhci@1e750100 {
+ compatible = "aspeed,ast2600-sdhci";
+ reg = <0x100 0x100>;
+ sdhci,auto-cmd12;
+ interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&syscon ASPEED_CLK_EMMC>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_emmc_default>;
+ };
+ };
+ };
+ };
+};
+
+#include "aspeed-g6-pinctrl.dtsi"
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 0cad76021297..0138fb14e6f8 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_ARCH_EFM32) += clk-efm32gg.o
obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o
obj-$(CONFIG_COMMON_CLK_GEMINI) += clk-gemini.o
obj-$(CONFIG_COMMON_CLK_ASPEED) += clk-aspeed.o
+obj-$(CONFIG_MACH_ASPEED_G6) += clk-ast2600.o
obj-$(CONFIG_ARCH_HIGHBANK) += clk-highbank.o
obj-$(CONFIG_CLK_HSDK) += clk-hsdk-pll.o
obj-$(CONFIG_COMMON_CLK_LOCHNAGAR) += clk-lochnagar.o
diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c
index 42b4df6ba249..abf06fb6453e 100644
--- a/drivers/clk/clk-aspeed.c
+++ b/drivers/clk/clk-aspeed.c
@@ -1,19 +1,19 @@
// SPDX-License-Identifier: GPL-2.0+
+// Copyright IBM Corp
#define pr_fmt(fmt) "clk-aspeed: " fmt
-#include <linux/clk-provider.h>
#include <linux/mfd/syscon.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
-#include <linux/reset-controller.h>
#include <linux/slab.h>
-#include <linux/spinlock.h>
#include <dt-bindings/clock/aspeed-clock.h>
+#include "clk-aspeed.h"
+
#define ASPEED_NUM_CLKS 36
#define ASPEED_RESET2_OFFSET 32
@@ -42,48 +42,6 @@ static struct clk_hw_onecell_data *aspeed_clk_data;
static void __iomem *scu_base;
-/**
- * struct aspeed_gate_data - Aspeed gated clocks
- * @clock_idx: bit used to gate this clock in the clock register
- * @reset_idx: bit used to reset this IP in the reset register. -1 if no
- * reset is required when enabling the clock
- * @name: the clock name
- * @parent_name: the name of the parent clock
- * @flags: standard clock framework flags
- */
-struct aspeed_gate_data {
- u8 clock_idx;
- s8 reset_idx;
- const char *name;
- const char *parent_name;
- unsigned long flags;
-};
-
-/**
- * struct aspeed_clk_gate - Aspeed specific clk_gate structure
- * @hw: handle between common and hardware-specific interfaces
- * @reg: register controlling gate
- * @clock_idx: bit used to gate this clock in the clock register
- * @reset_idx: bit used to reset this IP in the reset register. -1 if no
- * reset is required when enabling the clock
- * @flags: hardware-specific flags
- * @lock: register lock
- *
- * Some of the clocks in the Aspeed SoC must be put in reset before enabling.
- * This modified version of clk_gate allows an optional reset bit to be
- * specified.
- */
-struct aspeed_clk_gate {
- struct clk_hw hw;
- struct regmap *map;
- u8 clock_idx;
- s8 reset_idx;
- u8 flags;
- spinlock_t *lock;
-};
-
-#define to_aspeed_clk_gate(_hw) container_of(_hw, struct aspeed_clk_gate, hw)
-
/* TODO: ask Aspeed about the actual parent data */
static const struct aspeed_gate_data aspeed_gates[] = {
/* clk rst name parent flags */
@@ -208,13 +166,6 @@ static struct clk_hw *aspeed_ast2500_calc_pll(const char *name, u32 val)
mult, div);
}
-struct aspeed_clk_soc_data {
- const struct clk_div_table *div_table;
- const struct clk_div_table *eclk_div_table;
- const struct clk_div_table *mac_div_table;
- struct clk_hw *(*calc_pll)(const char *name, u32 val);
-};
-
static const struct aspeed_clk_soc_data ast2500_data = {
.div_table = ast2500_div_table,
.eclk_div_table = ast2500_eclk_div_table,
@@ -315,18 +266,6 @@ static const struct clk_ops aspeed_clk_gate_ops = {
.is_enabled = aspeed_clk_is_enabled,
};
-/**
- * struct aspeed_reset - Aspeed reset controller
- * @map: regmap to access the containing system controller
- * @rcdev: reset controller device
- */
-struct aspeed_reset {
- struct regmap *map;
- struct reset_controller_dev rcdev;
-};
-
-#define to_aspeed_reset(p) container_of((p), struct aspeed_reset, rcdev)
-
static const u8 aspeed_resets[] = {
/* SCU04 resets */
[ASPEED_RESET_XDMA] = 25,
@@ -500,9 +439,14 @@ static int aspeed_clk_probe(struct platform_device *pdev)
return PTR_ERR(hw);
aspeed_clk_data->hws[ASPEED_CLK_MPLL] = hw;
- /* SD/SDIO clock divider (TODO: There's a gate too) */
- hw = clk_hw_register_divider_table(dev, "sdio", "hpll", 0,
- scu_base + ASPEED_CLK_SELECTION, 12, 3, 0,
+ /* SD/SDIO clock divider and gate */
+ hw = clk_hw_register_gate(dev, "sd_extclk_gate", "hpll", 0,
+ scu_base + ASPEED_CLK_SELECTION, 15, 0,
+ &aspeed_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ hw = clk_hw_register_divider_table(dev, "sd_extclk", "sd_extclk_gate",
+ 0, scu_base + ASPEED_CLK_SELECTION, 12, 3, 0,
soc_data->div_table,
&aspeed_clk_lock);
if (IS_ERR(hw))
diff --git a/drivers/clk/clk-aspeed.h b/drivers/clk/clk-aspeed.h
new file mode 100644
index 000000000000..5296b15b1c88
--- /dev/null
+++ b/drivers/clk/clk-aspeed.h
@@ -0,0 +1,82 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Structures used by ASPEED clock drivers
+ *
+ * Copyright 2019 IBM Corp.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/kernel.h>
+#include <linux/reset-controller.h>
+#include <linux/spinlock.h>
+
+struct clk_div_table;
+struct regmap;
+
+/**
+ * struct aspeed_gate_data - Aspeed gated clocks
+ * @clock_idx: bit used to gate this clock in the clock register
+ * @reset_idx: bit used to reset this IP in the reset register. -1 if no
+ * reset is required when enabling the clock
+ * @name: the clock name
+ * @parent_name: the name of the parent clock
+ * @flags: standard clock framework flags
+ */
+struct aspeed_gate_data {
+ u8 clock_idx;
+ s8 reset_idx;
+ const char *name;
+ const char *parent_name;
+ unsigned long flags;
+};
+
+/**
+ * struct aspeed_clk_gate - Aspeed specific clk_gate structure
+ * @hw: handle between common and hardware-specific interfaces
+ * @reg: register controlling gate
+ * @clock_idx: bit used to gate this clock in the clock register
+ * @reset_idx: bit used to reset this IP in the reset register. -1 if no
+ * reset is required when enabling the clock
+ * @flags: hardware-specific flags
+ * @lock: register lock
+ *
+ * Some of the clocks in the Aspeed SoC must be put in reset before enabling.
+ * This modified version of clk_gate allows an optional reset bit to be
+ * specified.
+ */
+struct aspeed_clk_gate {
+ struct clk_hw hw;
+ struct regmap *map;
+ u8 clock_idx;
+ s8 reset_idx;
+ u8 flags;
+ spinlock_t *lock;
+};
+
+#define to_aspeed_clk_gate(_hw) container_of(_hw, struct aspeed_clk_gate, hw)
+
+/**
+ * struct aspeed_reset - Aspeed reset controller
+ * @map: regmap to access the containing system controller
+ * @rcdev: reset controller device
+ */
+struct aspeed_reset {
+ struct regmap *map;
+ struct reset_controller_dev rcdev;
+};
+
+#define to_aspeed_reset(p) container_of((p), struct aspeed_reset, rcdev)
+
+/**
+ * struct aspeed_clk_soc_data - Aspeed SoC specific divisor information
+ * @div_table: Common divider lookup table
+ * @eclk_div_table: Divider lookup table for ECLK
+ * @mac_div_table: Divider lookup table for MAC (Ethernet) clocks
+ * @calc_pll: Callback to maculate common PLL settings
+ */
+struct aspeed_clk_soc_data {
+ const struct clk_div_table *div_table;
+ const struct clk_div_table *eclk_div_table;
+ const struct clk_div_table *mac_div_table;
+ struct clk_hw *(*calc_pll)(const char *name, u32 val);
+};
diff --git a/drivers/clk/clk-ast2600.c b/drivers/clk/clk-ast2600.c
new file mode 100644
index 000000000000..1c1bb39bb04e
--- /dev/null
+++ b/drivers/clk/clk-ast2600.c
@@ -0,0 +1,704 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+// Copyright IBM Corp
+// Copyright ASPEED Technology
+
+#define pr_fmt(fmt) "clk-ast2600: " fmt
+
+#include <linux/mfd/syscon.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+
+#include <dt-bindings/clock/ast2600-clock.h>
+
+#include "clk-aspeed.h"
+
+#define ASPEED_G6_NUM_CLKS 67
+
+#define ASPEED_G6_SILICON_REV 0x004
+
+#define ASPEED_G6_RESET_CTRL 0x040
+#define ASPEED_G6_RESET_CTRL2 0x050
+
+#define ASPEED_G6_CLK_STOP_CTRL 0x080
+#define ASPEED_G6_CLK_STOP_CTRL2 0x090
+
+#define ASPEED_G6_MISC_CTRL 0x0C0
+#define UART_DIV13_EN BIT(12)
+
+#define ASPEED_G6_CLK_SELECTION1 0x300
+#define ASPEED_G6_CLK_SELECTION2 0x304
+#define ASPEED_G6_CLK_SELECTION4 0x310
+
+#define ASPEED_HPLL_PARAM 0x200
+#define ASPEED_APLL_PARAM 0x210
+#define ASPEED_MPLL_PARAM 0x220
+#define ASPEED_EPLL_PARAM 0x240
+#define ASPEED_DPLL_PARAM 0x260
+
+#define ASPEED_G6_STRAP1 0x500
+
+/* Globally visible clocks */
+static DEFINE_SPINLOCK(aspeed_g6_clk_lock);
+
+/* Keeps track of all clocks */
+static struct clk_hw_onecell_data *aspeed_g6_clk_data;
+
+static void __iomem *scu_g6_base;
+
+/*
+ * Clocks marked with CLK_IS_CRITICAL:
+ *
+ * ref0 and ref1 are essential for the SoC to operate
+ * mpll is required if SDRAM is used
+ */
+static const struct aspeed_gate_data aspeed_g6_gates[] = {
+ /* clk rst name parent flags */
+ [ASPEED_CLK_GATE_MCLK] = { 0, -1, "mclk-gate", "mpll", CLK_IS_CRITICAL }, /* SDRAM */
+ [ASPEED_CLK_GATE_ECLK] = { 1, -1, "eclk-gate", "eclk", 0 }, /* Video Engine */
+ [ASPEED_CLK_GATE_GCLK] = { 2, 7, "gclk-gate", NULL, 0 }, /* 2D engine */
+ /* vclk parent - dclk/d1clk/hclk/mclk */
+ [ASPEED_CLK_GATE_VCLK] = { 3, 6, "vclk-gate", NULL, 0 }, /* Video Capture */
+ [ASPEED_CLK_GATE_BCLK] = { 4, 8, "bclk-gate", "bclk", 0 }, /* PCIe/PCI */
+ /* From dpll */
+ [ASPEED_CLK_GATE_DCLK] = { 5, -1, "dclk-gate", NULL, CLK_IS_CRITICAL }, /* DAC */
+ [ASPEED_CLK_GATE_REF0CLK] = { 6, -1, "ref0clk-gate", "clkin", CLK_IS_CRITICAL },
+ [ASPEED_CLK_GATE_USBPORT2CLK] = { 7, 3, "usb-port2-gate", NULL, 0 }, /* USB2.0 Host port 2 */
+ /* Reserved 8 */
+ [ASPEED_CLK_GATE_USBUHCICLK] = { 9, 15, "usb-uhci-gate", NULL, 0 }, /* USB1.1 (requires port 2 enabled) */
+ /* From dpll/epll/40mhz usb p1 phy/gpioc6/dp phy pll */
+ [ASPEED_CLK_GATE_D1CLK] = { 10, 13, "d1clk-gate", "d1clk", 0 }, /* GFX CRT */
+ /* Reserved 11/12 */
+ [ASPEED_CLK_GATE_YCLK] = { 13, 4, "yclk-gate", NULL, 0 }, /* HAC */
+ [ASPEED_CLK_GATE_USBPORT1CLK] = { 14, 14, "usb-port1-gate", NULL, 0 }, /* USB2 hub/USB2 host port 1/USB1.1 dev */
+ [ASPEED_CLK_GATE_UART5CLK] = { 15, -1, "uart5clk-gate", "uart", 0 }, /* UART5 */
+ /* Reserved 16/19 */
+ [ASPEED_CLK_GATE_MAC1CLK] = { 20, 11, "mac1clk-gate", "mac12", 0 }, /* MAC1 */
+ [ASPEED_CLK_GATE_MAC2CLK] = { 21, 12, "mac2clk-gate", "mac12", 0 }, /* MAC2 */
+ /* Reserved 22/23 */
+ [ASPEED_CLK_GATE_RSACLK] = { 24, 4, "rsaclk-gate", NULL, 0 }, /* HAC */
+ [ASPEED_CLK_GATE_RVASCLK] = { 25, 9, "rvasclk-gate", NULL, 0 }, /* RVAS */
+ /* Reserved 26 */
+ [ASPEED_CLK_GATE_EMMCCLK] = { 27, 16, "emmcclk-gate", NULL, 0 }, /* For card clk */
+ /* Reserved 28/29/30 */
+ [ASPEED_CLK_GATE_LCLK] = { 32, 32, "lclk-gate", NULL, 0 }, /* LPC */
+ [ASPEED_CLK_GATE_ESPICLK] = { 33, -1, "espiclk-gate", NULL, 0 }, /* eSPI */
+ [ASPEED_CLK_GATE_REF1CLK] = { 34, -1, "ref1clk-gate", "clkin", CLK_IS_CRITICAL },
+ /* Reserved 35 */
+ [ASPEED_CLK_GATE_SDCLK] = { 36, 56, "sdclk-gate", NULL, 0 }, /* SDIO/SD */
+ [ASPEED_CLK_GATE_LHCCLK] = { 37, -1, "lhclk-gate", "lhclk", 0 }, /* LPC master/LPC+ */
+ /* Reserved 38 RSA: no longer used */
+ /* Reserved 39 */
+ [ASPEED_CLK_GATE_I3C0CLK] = { 40, 40, "i3c0clk-gate", NULL, 0 }, /* I3C0 */
+ [ASPEED_CLK_GATE_I3C1CLK] = { 41, 41, "i3c1clk-gate", NULL, 0 }, /* I3C1 */
+ [ASPEED_CLK_GATE_I3C2CLK] = { 42, 42, "i3c2clk-gate", NULL, 0 }, /* I3C2 */
+ [ASPEED_CLK_GATE_I3C3CLK] = { 43, 43, "i3c3clk-gate", NULL, 0 }, /* I3C3 */
+ [ASPEED_CLK_GATE_I3C4CLK] = { 44, 44, "i3c4clk-gate", NULL, 0 }, /* I3C4 */
+ [ASPEED_CLK_GATE_I3C5CLK] = { 45, 45, "i3c5clk-gate", NULL, 0 }, /* I3C5 */
+ [ASPEED_CLK_GATE_I3C6CLK] = { 46, 46, "i3c6clk-gate", NULL, 0 }, /* I3C6 */
+ [ASPEED_CLK_GATE_I3C7CLK] = { 47, 47, "i3c7clk-gate", NULL, 0 }, /* I3C7 */
+ [ASPEED_CLK_GATE_UART1CLK] = { 48, -1, "uart1clk-gate", "uart", 0 }, /* UART1 */
+ [ASPEED_CLK_GATE_UART2CLK] = { 49, -1, "uart2clk-gate", "uart", 0 }, /* UART2 */
+ [ASPEED_CLK_GATE_UART3CLK] = { 50, -1, "uart3clk-gate", "uart", 0 }, /* UART3 */
+ [ASPEED_CLK_GATE_UART4CLK] = { 51, -1, "uart4clk-gate", "uart", 0 }, /* UART4 */
+ [ASPEED_CLK_GATE_MAC3CLK] = { 52, 52, "mac3clk-gate", "mac34", 0 }, /* MAC3 */
+ [ASPEED_CLK_GATE_MAC4CLK] = { 53, 53, "mac4clk-gate", "mac34", 0 }, /* MAC4 */
+ [ASPEED_CLK_GATE_UART6CLK] = { 54, -1, "uart6clk-gate", "uartx", 0 }, /* UART6 */
+ [ASPEED_CLK_GATE_UART7CLK] = { 55, -1, "uart7clk-gate", "uartx", 0 }, /* UART7 */
+ [ASPEED_CLK_GATE_UART8CLK] = { 56, -1, "uart8clk-gate", "uartx", 0 }, /* UART8 */
+ [ASPEED_CLK_GATE_UART9CLK] = { 57, -1, "uart9clk-gate", "uartx", 0 }, /* UART9 */
+ [ASPEED_CLK_GATE_UART10CLK] = { 58, -1, "uart10clk-gate", "uartx", 0 }, /* UART10 */
+ [ASPEED_CLK_GATE_UART11CLK] = { 59, -1, "uart11clk-gate", "uartx", 0 }, /* UART11 */
+ [ASPEED_CLK_GATE_UART12CLK] = { 60, -1, "uart12clk-gate", "uartx", 0 }, /* UART12 */
+ [ASPEED_CLK_GATE_UART13CLK] = { 61, -1, "uart13clk-gate", "uartx", 0 }, /* UART13 */
+ [ASPEED_CLK_GATE_FSICLK] = { 62, 59, "fsiclk-gate", NULL, 0 }, /* FSI */
+};
+
+static const char * const eclk_parent_names[] = { "mpll", "hpll", "dpll" };
+
+static const struct clk_div_table ast2600_eclk_div_table[] = {
+ { 0x0, 2 },
+ { 0x1, 2 },
+ { 0x2, 3 },
+ { 0x3, 4 },
+ { 0x4, 5 },
+ { 0x5, 6 },
+ { 0x6, 7 },
+ { 0x7, 8 },
+ { 0 }
+};
+
+static const struct clk_div_table ast2600_mac_div_table[] = {
+ { 0x0, 4 },
+ { 0x1, 4 },
+ { 0x2, 6 },
+ { 0x3, 8 },
+ { 0x4, 10 },
+ { 0x5, 12 },
+ { 0x6, 14 },
+ { 0x7, 16 },
+ { 0 }
+};
+
+static const struct clk_div_table ast2600_div_table[] = {
+ { 0x0, 4 },
+ { 0x1, 8 },
+ { 0x2, 12 },
+ { 0x3, 16 },
+ { 0x4, 20 },
+ { 0x5, 24 },
+ { 0x6, 28 },
+ { 0x7, 32 },
+ { 0 }
+};
+
+/* For hpll/dpll/epll/mpll */
+static struct clk_hw *ast2600_calc_pll(const char *name, u32 val)
+{
+ unsigned int mult, div;
+
+ if (val & BIT(24)) {
+ /* Pass through mode */
+ mult = div = 1;
+ } else {
+ /* F = 25Mhz * [(M + 2) / (n + 1)] / (p + 1) */
+ u32 m = val & 0x1fff;
+ u32 n = (val >> 13) & 0x3f;
+ u32 p = (val >> 19) & 0xf;
+ mult = (m + 1) / (n + 1);
+ div = (p + 1);
+ }
+ return clk_hw_register_fixed_factor(NULL, name, "clkin", 0,
+ mult, div);
+};
+
+static struct clk_hw *ast2600_calc_apll(const char *name, u32 val)
+{
+ unsigned int mult, div;
+
+ if (val & BIT(20)) {
+ /* Pass through mode */
+ mult = div = 1;
+ } else {
+ /* F = 25Mhz * (2-od) * [(m + 2) / (n + 1)] */
+ u32 m = (val >> 5) & 0x3f;
+ u32 od = (val >> 4) & 0x1;
+ u32 n = val & 0xf;
+
+ mult = (2 - od) * (m + 2);
+ div = n + 1;
+ }
+ return clk_hw_register_fixed_factor(NULL, name, "clkin", 0,
+ mult, div);
+};
+
+static u32 get_bit(u8 idx)
+{
+ return BIT(idx % 32);
+}
+
+static u32 get_reset_reg(struct aspeed_clk_gate *gate)
+{
+ if (gate->reset_idx < 32)
+ return ASPEED_G6_RESET_CTRL;
+
+ return ASPEED_G6_RESET_CTRL2;
+}
+
+static u32 get_clock_reg(struct aspeed_clk_gate *gate)
+{
+ if (gate->clock_idx < 32)
+ return ASPEED_G6_CLK_STOP_CTRL;
+
+ return ASPEED_G6_CLK_STOP_CTRL2;
+}
+
+static int aspeed_g6_clk_is_enabled(struct clk_hw *hw)
+{
+ struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
+ u32 clk = get_bit(gate->clock_idx);
+ u32 rst = get_bit(gate->reset_idx);
+ u32 reg;
+ u32 enval;
+
+ /*
+ * If the IP is in reset, treat the clock as not enabled,
+ * this happens with some clocks such as the USB one when
+ * coming from cold reset. Without this, aspeed_clk_enable()
+ * will fail to lift the reset.
+ */
+ if (gate->reset_idx >= 0) {
+ regmap_read(gate->map, get_reset_reg(gate), &reg);
+
+ if (reg & rst)
+ return 0;
+ }
+
+ regmap_read(gate->map, get_clock_reg(gate), &reg);
+
+ enval = (gate->flags & CLK_GATE_SET_TO_DISABLE) ? 0 : clk;
+
+ return ((reg & clk) == enval) ? 1 : 0;
+}
+
+static int aspeed_g6_clk_enable(struct clk_hw *hw)
+{
+ struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
+ unsigned long flags;
+ u32 clk = get_bit(gate->clock_idx);
+ u32 rst = get_bit(gate->reset_idx);
+
+ spin_lock_irqsave(gate->lock, flags);
+
+ if (aspeed_g6_clk_is_enabled(hw)) {
+ spin_unlock_irqrestore(gate->lock, flags);
+ return 0;
+ }
+
+ if (gate->reset_idx >= 0) {
+ /* Put IP in reset */
+ regmap_write(gate->map, get_reset_reg(gate), rst);
+ /* Delay 100us */
+ udelay(100);
+ }
+
+ /* Enable clock */
+ if (gate->flags & CLK_GATE_SET_TO_DISABLE) {
+ regmap_write(gate->map, get_clock_reg(gate), clk);
+ } else {
+ /* Use set to clear register */
+ regmap_write(gate->map, get_clock_reg(gate) + 0x04, clk);
+ }
+
+ if (gate->reset_idx >= 0) {
+ /* A delay of 10ms is specified by the ASPEED docs */
+ mdelay(10);
+ /* Take IP out of reset */
+ regmap_write(gate->map, get_reset_reg(gate) + 0x4, rst);
+ }
+
+ spin_unlock_irqrestore(gate->lock, flags);
+
+ return 0;
+}
+
+static void aspeed_g6_clk_disable(struct clk_hw *hw)
+{
+ struct aspeed_clk_gate *gate = to_aspeed_clk_gate(hw);
+ unsigned long flags;
+ u32 clk = get_bit(gate->clock_idx);
+
+ spin_lock_irqsave(gate->lock, flags);
+
+ if (gate->flags & CLK_GATE_SET_TO_DISABLE) {
+ regmap_write(gate->map, get_clock_reg(gate), clk);
+ } else {
+ /* Use set to clear register */
+ regmap_write(gate->map, get_clock_reg(gate) + 0x4, clk);
+ }
+
+ spin_unlock_irqrestore(gate->lock, flags);
+}
+
+static const struct clk_ops aspeed_g6_clk_gate_ops = {
+ .enable = aspeed_g6_clk_enable,
+ .disable = aspeed_g6_clk_disable,
+ .is_enabled = aspeed_g6_clk_is_enabled,
+};
+
+static int aspeed_g6_reset_deassert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct aspeed_reset *ar = to_aspeed_reset(rcdev);
+ u32 rst = get_bit(id);
+ u32 reg = id >= 32 ? ASPEED_G6_RESET_CTRL2 : ASPEED_G6_RESET_CTRL;
+
+ /* Use set to clear register */
+ return regmap_write(ar->map, reg + 0x04, rst);
+}
+
+static int aspeed_g6_reset_assert(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct aspeed_reset *ar = to_aspeed_reset(rcdev);
+ u32 rst = get_bit(id);
+ u32 reg = id >= 32 ? ASPEED_G6_RESET_CTRL2 : ASPEED_G6_RESET_CTRL;
+
+ return regmap_write(ar->map, reg, rst);
+}
+
+static int aspeed_g6_reset_status(struct reset_controller_dev *rcdev,
+ unsigned long id)
+{
+ struct aspeed_reset *ar = to_aspeed_reset(rcdev);
+ int ret;
+ u32 val;
+ u32 rst = get_bit(id);
+ u32 reg = id >= 32 ? ASPEED_G6_RESET_CTRL2 : ASPEED_G6_RESET_CTRL;
+
+ ret = regmap_read(ar->map, reg, &val);
+ if (ret)
+ return ret;
+
+ return !!(val & rst);
+}
+
+static const struct reset_control_ops aspeed_g6_reset_ops = {
+ .assert = aspeed_g6_reset_assert,
+ .deassert = aspeed_g6_reset_deassert,
+ .status = aspeed_g6_reset_status,
+};
+
+static struct clk_hw *aspeed_g6_clk_hw_register_gate(struct device *dev,
+ const char *name, const char *parent_name, unsigned long flags,
+ struct regmap *map, u8 clock_idx, u8 reset_idx,
+ u8 clk_gate_flags, spinlock_t *lock)
+{
+ struct aspeed_clk_gate *gate;
+ struct clk_init_data init;
+ struct clk_hw *hw;
+ int ret;
+
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = name;
+ init.ops = &aspeed_g6_clk_gate_ops;
+ init.flags = flags;
+ init.parent_names = parent_name ? &parent_name : NULL;
+ init.num_parents = parent_name ? 1 : 0;
+
+ gate->map = map;
+ gate->clock_idx = clock_idx;
+ gate->reset_idx = reset_idx;
+ gate->flags = clk_gate_flags;
+ gate->lock = lock;
+ gate->hw.init = &init;
+
+ hw = &gate->hw;
+ ret = clk_hw_register(dev, hw);
+ if (ret) {
+ kfree(gate);
+ hw = ERR_PTR(ret);
+ }
+
+ return hw;
+}
+
+static const char * const vclk_parent_names[] = {
+ "dpll",
+ "d1pll",
+ "hclk",
+ "mclk",
+};
+
+static const char * const d1clk_parent_names[] = {
+ "dpll",
+ "epll",
+ "usb-phy-40m",
+ "gpioc6_clkin",
+ "dp_phy_pll",
+};
+
+static int aspeed_g6_clk_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct aspeed_reset *ar;
+ struct regmap *map;
+ struct clk_hw *hw;
+ u32 val, rate;
+ int i, ret;
+
+ map = syscon_node_to_regmap(dev->of_node);
+ if (IS_ERR(map)) {
+ dev_err(dev, "no syscon regmap\n");
+ return PTR_ERR(map);
+ }
+
+ ar = devm_kzalloc(dev, sizeof(*ar), GFP_KERNEL);
+ if (!ar)
+ return -ENOMEM;
+
+ ar->map = map;
+
+ ar->rcdev.owner = THIS_MODULE;
+ ar->rcdev.nr_resets = 64;
+ ar->rcdev.ops = &aspeed_g6_reset_ops;
+ ar->rcdev.of_node = dev->of_node;
+
+ ret = devm_reset_controller_register(dev, &ar->rcdev);
+ if (ret) {
+ dev_err(dev, "could not register reset controller\n");
+ return ret;
+ }
+
+ /* UART clock div13 setting */
+ regmap_read(map, ASPEED_G6_MISC_CTRL, &val);
+ if (val & UART_DIV13_EN)
+ rate = 24000000 / 13;
+ else
+ rate = 24000000;
+ hw = clk_hw_register_fixed_rate(dev, "uart", NULL, 0, rate);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_UART] = hw;
+
+ /* UART6~13 clock div13 setting */
+ regmap_read(map, 0x80, &val);
+ if (val & BIT(31))
+ rate = 24000000 / 13;
+ else
+ rate = 24000000;
+ hw = clk_hw_register_fixed_rate(dev, "uartx", NULL, 0, rate);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_UARTX] = hw;
+
+ /* EMMC ext clock divider */
+ hw = clk_hw_register_gate(dev, "emmc_extclk_gate", "hpll", 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 15, 0,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ hw = clk_hw_register_divider_table(dev, "emmc_extclk", "emmc_extclk_gate", 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 12, 3, 0,
+ ast2600_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_EMMC] = hw;
+
+ /* SD/SDIO clock divider and gate */
+ hw = clk_hw_register_gate(dev, "sd_extclk_gate", "hpll", 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION4, 31, 0,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ hw = clk_hw_register_divider_table(dev, "sd_extclk", "sd_extclk_gate",
+ 0, scu_g6_base + ASPEED_G6_CLK_SELECTION4, 28, 3, 0,
+ ast2600_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_SDIO] = hw;
+
+ /* MAC1/2 AHB bus clock divider */
+ hw = clk_hw_register_divider_table(dev, "mac12", "hpll", 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 16, 3, 0,
+ ast2600_mac_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_MAC12] = hw;
+
+ /* MAC3/4 AHB bus clock divider */
+ hw = clk_hw_register_divider_table(dev, "mac34", "hpll", 0,
+ scu_g6_base + 0x310, 24, 3, 0,
+ ast2600_mac_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_MAC34] = hw;
+
+ /* LPC Host (LHCLK) clock divider */
+ hw = clk_hw_register_divider_table(dev, "lhclk", "hpll", 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 20, 3, 0,
+ ast2600_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_LHCLK] = hw;
+
+ /* gfx d1clk : use dp clk */
+ regmap_update_bits(map, ASPEED_G6_CLK_SELECTION1, GENMASK(10, 8), BIT(10));
+ /* SoC Display clock selection */
+ hw = clk_hw_register_mux(dev, "d1clk", d1clk_parent_names,
+ ARRAY_SIZE(d1clk_parent_names), 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 8, 3, 0,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_D1CLK] = hw;
+
+ /* d1 clk div 0x308[17:15] x [14:12] - 8,7,6,5,4,3,2,1 */
+ regmap_write(map, 0x308, 0x12000); /* 3x3 = 9 */
+
+ /* P-Bus (BCLK) clock divider */
+ hw = clk_hw_register_divider_table(dev, "bclk", "hpll", 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 20, 3, 0,
+ ast2600_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_BCLK] = hw;
+
+ /* Video Capture clock selection */
+ hw = clk_hw_register_mux(dev, "vclk", vclk_parent_names,
+ ARRAY_SIZE(vclk_parent_names), 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION2, 12, 3, 0,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_VCLK] = hw;
+
+ /* Video Engine clock divider */
+ hw = clk_hw_register_divider_table(dev, "eclk", NULL, 0,
+ scu_g6_base + ASPEED_G6_CLK_SELECTION1, 28, 3, 0,
+ ast2600_eclk_div_table,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_ECLK] = hw;
+
+ for (i = 0; i < ARRAY_SIZE(aspeed_g6_gates); i++) {
+ const struct aspeed_gate_data *gd = &aspeed_g6_gates[i];
+ u32 gate_flags;
+
+ /*
+ * Special case: the USB port 1 clock (bit 14) is always
+ * working the opposite way from the other ones.
+ */
+ gate_flags = (gd->clock_idx == 14) ? 0 : CLK_GATE_SET_TO_DISABLE;
+ hw = aspeed_g6_clk_hw_register_gate(dev,
+ gd->name,
+ gd->parent_name,
+ gd->flags,
+ map,
+ gd->clock_idx,
+ gd->reset_idx,
+ gate_flags,
+ &aspeed_g6_clk_lock);
+ if (IS_ERR(hw))
+ return PTR_ERR(hw);
+ aspeed_g6_clk_data->hws[i] = hw;
+ }
+
+ return 0;
+};
+
+static const struct of_device_id aspeed_g6_clk_dt_ids[] = {
+ { .compatible = "aspeed,ast2600-scu" },
+ { }
+};
+
+static struct platform_driver aspeed_g6_clk_driver = {
+ .probe = aspeed_g6_clk_probe,
+ .driver = {
+ .name = "ast2600-clk",
+ .of_match_table = aspeed_g6_clk_dt_ids,
+ .suppress_bind_attrs = true,
+ },
+};
+builtin_platform_driver(aspeed_g6_clk_driver);
+
+static const u32 ast2600_a0_axi_ahb_div_table[] = {
+ 2, 2, 3, 5,
+};
+
+static const u32 ast2600_a1_axi_ahb_div_table[] = {
+ 4, 6, 2, 4,
+};
+
+static void __init aspeed_g6_cc(struct regmap *map)
+{
+ struct clk_hw *hw;
+ u32 val, div, chip_id, axi_div, ahb_div;
+
+ clk_hw_register_fixed_rate(NULL, "clkin", NULL, 0, 25000000);
+
+ /*
+ * High-speed PLL clock derived from the crystal. This the CPU clock,
+ * and we assume that it is enabled
+ */
+ regmap_read(map, ASPEED_HPLL_PARAM, &val);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_HPLL] = ast2600_calc_pll("hpll", val);
+
+ regmap_read(map, ASPEED_MPLL_PARAM, &val);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_MPLL] = ast2600_calc_pll("mpll", val);
+
+ regmap_read(map, ASPEED_DPLL_PARAM, &val);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_DPLL] = ast2600_calc_pll("dpll", val);
+
+ regmap_read(map, ASPEED_EPLL_PARAM, &val);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_EPLL] = ast2600_calc_pll("epll", val);
+
+ regmap_read(map, ASPEED_APLL_PARAM, &val);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_APLL] = ast2600_calc_apll("apll", val);
+
+ /* Strap bits 12:11 define the AXI/AHB clock frequency ratio (aka HCLK)*/
+ regmap_read(map, ASPEED_G6_STRAP1, &val);
+ if (val & BIT(16))
+ axi_div = 1;
+ else
+ axi_div = 2;
+
+ regmap_read(map, ASPEED_G6_SILICON_REV, &chip_id);
+ if (chip_id & BIT(16))
+ ahb_div = ast2600_a1_axi_ahb_div_table[(val >> 11) & 0x3];
+ else
+ ahb_div = ast2600_a0_axi_ahb_div_table[(val >> 11) & 0x3];
+
+ hw = clk_hw_register_fixed_factor(NULL, "ahb", "hpll", 0, 1, axi_div * ahb_div);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_AHB] = hw;
+
+ regmap_read(map, ASPEED_G6_CLK_SELECTION1, &val);
+ val = (val >> 23) & 0x7;
+ div = 4 * (val + 1);
+ hw = clk_hw_register_fixed_factor(NULL, "apb1", "hpll", 0, 1, div);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_APB1] = hw;
+
+ regmap_read(map, ASPEED_G6_CLK_SELECTION4, &val);
+ val = (val >> 9) & 0x7;
+ div = 2 * (val + 1);
+ hw = clk_hw_register_fixed_factor(NULL, "apb2", "ahb", 0, 1, div);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_APB2] = hw;
+
+ /* USB 2.0 port1 phy 40MHz clock */
+ hw = clk_hw_register_fixed_rate(NULL, "usb-phy-40m", NULL, 0, 40000000);
+ aspeed_g6_clk_data->hws[ASPEED_CLK_USBPHY_40M] = hw;
+};
+
+static void __init aspeed_g6_cc_init(struct device_node *np)
+{
+ struct regmap *map;
+ int ret;
+ int i;
+
+ scu_g6_base = of_iomap(np, 0);
+ if (!scu_g6_base)
+ return;
+
+ aspeed_g6_clk_data = kzalloc(struct_size(aspeed_g6_clk_data, hws,
+ ASPEED_G6_NUM_CLKS), GFP_KERNEL);
+ if (!aspeed_g6_clk_data)
+ return;
+
+ /*
+ * This way all clocks fetched before the platform device probes,
+ * except those we assign here for early use, will be deferred.
+ */
+ for (i = 0; i < ASPEED_G6_NUM_CLKS; i++)
+ aspeed_g6_clk_data->hws[i] = ERR_PTR(-EPROBE_DEFER);
+
+ /*
+ * We check that the regmap works on this very first access,
+ * but as this is an MMIO-backed regmap, subsequent regmap
+ * access is not going to fail and we skip error checks from
+ * this point.
+ */
+ map = syscon_node_to_regmap(np);
+ if (IS_ERR(map)) {
+ pr_err("no syscon regmap\n");
+ return;
+ }
+
+ aspeed_g6_cc(map);
+ aspeed_g6_clk_data->num = ASPEED_G6_NUM_CLKS;
+ ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, aspeed_g6_clk_data);
+ if (ret)
+ pr_err("failed to add DT provider: %d\n", ret);
+};
+CLK_OF_DECLARE_DRIVER(aspeed_cc_g6, "aspeed,ast2600-scu", aspeed_g6_cc_init);
diff --git a/include/dt-bindings/clock/ast2600-clock.h b/include/dt-bindings/clock/ast2600-clock.h
new file mode 100644
index 000000000000..38074a5f7296
--- /dev/null
+++ b/include/dt-bindings/clock/ast2600-clock.h
@@ -0,0 +1,113 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later OR MIT */
+#ifndef DT_BINDINGS_AST2600_CLOCK_H
+#define DT_BINDINGS_AST2600_CLOCK_H
+
+#define ASPEED_CLK_GATE_ECLK 0
+#define ASPEED_CLK_GATE_GCLK 1
+
+#define ASPEED_CLK_GATE_MCLK 2
+
+#define ASPEED_CLK_GATE_VCLK 3
+#define ASPEED_CLK_GATE_BCLK 4
+#define ASPEED_CLK_GATE_DCLK 5
+
+#define ASPEED_CLK_GATE_LCLK 6
+#define ASPEED_CLK_GATE_LHCCLK 7
+
+#define ASPEED_CLK_GATE_D1CLK 8
+#define ASPEED_CLK_GATE_YCLK 9
+
+#define ASPEED_CLK_GATE_REF0CLK 10
+#define ASPEED_CLK_GATE_REF1CLK 11
+
+#define ASPEED_CLK_GATE_ESPICLK 12
+
+#define ASPEED_CLK_GATE_USBUHCICLK 13
+#define ASPEED_CLK_GATE_USBPORT1CLK 14
+#define ASPEED_CLK_GATE_USBPORT2CLK 15
+
+#define ASPEED_CLK_GATE_RSACLK 16
+#define ASPEED_CLK_GATE_RVASCLK 17
+
+#define ASPEED_CLK_GATE_MAC1CLK 18
+#define ASPEED_CLK_GATE_MAC2CLK 19
+#define ASPEED_CLK_GATE_MAC3CLK 20
+#define ASPEED_CLK_GATE_MAC4CLK 21
+
+#define ASPEED_CLK_GATE_UART1CLK 22
+#define ASPEED_CLK_GATE_UART2CLK 23
+#define ASPEED_CLK_GATE_UART3CLK 24
+#define ASPEED_CLK_GATE_UART4CLK 25
+#define ASPEED_CLK_GATE_UART5CLK 26
+#define ASPEED_CLK_GATE_UART6CLK 27
+#define ASPEED_CLK_GATE_UART7CLK 28
+#define ASPEED_CLK_GATE_UART8CLK 29
+#define ASPEED_CLK_GATE_UART9CLK 30
+#define ASPEED_CLK_GATE_UART10CLK 31
+#define ASPEED_CLK_GATE_UART11CLK 32
+#define ASPEED_CLK_GATE_UART12CLK 33
+#define ASPEED_CLK_GATE_UART13CLK 34
+
+#define ASPEED_CLK_GATE_SDCLK 35
+#define ASPEED_CLK_GATE_EMMCCLK 36
+
+#define ASPEED_CLK_GATE_I3C0CLK 37
+#define ASPEED_CLK_GATE_I3C1CLK 38
+#define ASPEED_CLK_GATE_I3C2CLK 39
+#define ASPEED_CLK_GATE_I3C3CLK 40
+#define ASPEED_CLK_GATE_I3C4CLK 41
+#define ASPEED_CLK_GATE_I3C5CLK 42
+#define ASPEED_CLK_GATE_I3C6CLK 43
+#define ASPEED_CLK_GATE_I3C7CLK 44
+
+#define ASPEED_CLK_GATE_FSICLK 45
+
+#define ASPEED_CLK_HPLL 46
+#define ASPEED_CLK_MPLL 47
+#define ASPEED_CLK_DPLL 48
+#define ASPEED_CLK_EPLL 49
+#define ASPEED_CLK_APLL 50
+#define ASPEED_CLK_AHB 51
+#define ASPEED_CLK_APB1 52
+#define ASPEED_CLK_APB2 53
+#define ASPEED_CLK_BCLK 54
+#define ASPEED_CLK_D1CLK 55
+#define ASPEED_CLK_VCLK 56
+#define ASPEED_CLK_LHCLK 57
+#define ASPEED_CLK_UART 58
+#define ASPEED_CLK_UARTX 59
+#define ASPEED_CLK_SDIO 60
+#define ASPEED_CLK_EMMC 61
+#define ASPEED_CLK_ECLK 62
+#define ASPEED_CLK_ECLK_MUX 63
+#define ASPEED_CLK_MAC12 64
+#define ASPEED_CLK_MAC34 65
+#define ASPEED_CLK_USBPHY_40M 66
+
+/* Only list resets here that are not part of a gate */
+#define ASPEED_RESET_ADC 55
+#define ASPEED_RESET_JTAG_MASTER2 54
+#define ASPEED_RESET_I3C_DMA 39
+#define ASPEED_RESET_PWM 37
+#define ASPEED_RESET_PECI 36
+#define ASPEED_RESET_MII 35
+#define ASPEED_RESET_I2C 34
+#define ASPEED_RESET_H2X 31
+#define ASPEED_RESET_GP_MCU 30
+#define ASPEED_RESET_DP_MCU 29
+#define ASPEED_RESET_DP 28
+#define ASPEED_RESET_RC_XDMA 27
+#define ASPEED_RESET_GRAPHICS 26
+#define ASPEED_RESET_DEV_XDMA 25
+#define ASPEED_RESET_DEV_MCTP 24
+#define ASPEED_RESET_RC_MCTP 23
+#define ASPEED_RESET_JTAG_MASTER 22
+#define ASPEED_RESET_PCIE_DEV_O 21
+#define ASPEED_RESET_PCIE_DEV_OEN 20
+#define ASPEED_RESET_PCIE_RC_O 19
+#define ASPEED_RESET_PCIE_RC_OEN 18
+#define ASPEED_RESET_PCI_DP 5
+#define ASPEED_RESET_AHB 1
+#define ASPEED_RESET_SDRAM 0
+
+#endif
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.