Merge tag 'arm-sophgo-dt-for-v6.17' of https://github.com/sophgo/linux into soc/newsoc

ARM Devicetrees for v6.17

Sophgo:

Add support for Duo Module 01 Evaluation Board.
This board uses SG2000(old codename CV181xH),
which is dual-arch, RISC-V and ARM64. This
patch add the support for ARM64.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>

* tag 'arm-sophgo-dt-for-v6.17' of https://github.com/sophgo/linux:
  arm64: defconfig: Enable rudimentary Sophgo SG2000 support
  arm64: Add SOPHGO SOC family Kconfig support
  arm64: dts: sophgo: Add Duo Module 01 Evaluation Board
  arm64: dts: sophgo: Add Duo Module 01
  arm64: dts: sophgo: Add initial SG2000 SoC device tree

Link: https://lore.kernel.org/r/MAUPR01MB11072C4B088AAC02268044E95FE5FA@MAUPR01MB11072.INDPRD01.PROD.OUTLOOK.COM
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

7 files changed, 215 insertions, 0 deletions

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 66c32edaaf75..8a838c382211 100644
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -327,6 +327,12 @@ config ARCH_INTEL_SOCFPGA
 	  Stratix 10 (ex. Altera), Stratix10 Software Virtual Platform,
 	  Agilex and eASIC N5X.
 
+config ARCH_SOPHGO
+	bool "Sophgo SoCs"
+	select ARCH_HAS_RESET_CONTROLLER
+	help
+	  This enables support for Sophgo SoC platform hardware.
+
 config ARCH_STM32
 	bool "STMicroelectronics STM32 SoC Family"
 	select GPIOLIB
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 336866fb154c..b0844404eda1 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -30,6 +30,7 @@ subdir-y += realtek
 subdir-y += renesas
 subdir-y += rockchip
 subdir-y += socionext
+subdir-y += sophgo
 subdir-y += sprd
 subdir-y += st
 subdir-y += synaptics
diff --git a/arch/arm64/boot/dts/sophgo/Makefile b/arch/arm64/boot/dts/sophgo/Makefile
new file mode 100644
index 000000000000..94f52cd7d994
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-module-01-evb.dtb
diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
new file mode 100644
index 000000000000..a281fee0d76e
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+
+#include "sg2000-milkv-duo-module-01.dtsi"
+
+/ {
+	model = "Milk-V Duo Module 01 Evaluation Board";
+	compatible = "milkv,duo-module-01-evb", "milkv,duo-module-01", "sophgo,sg2000";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&pinctrl {
+	sdhci0_cfg: sdhci0-cfg {
+		sdhci0-cd-pins {
+			pinmux = <PINMUX(PIN_SD0_CD, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+
+		sdhci0-clk-pins {
+			pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <16100>;
+			power-source = <3300>;
+		};
+
+		sdhci0-cmd-pins {
+			pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+
+		sdhci0-data-pins {
+			pinmux = <PINMUX(PIN_SD0_D0, 0)>,
+				 <PINMUX(PIN_SD0_D1, 0)>,
+				 <PINMUX(PIN_SD0_D2, 0)>,
+				 <PINMUX(PIN_SD0_D3, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+	};
+
+	uart0_cfg: uart0-cfg {
+		uart0-pins {
+			pinmux = <PINMUX(PIN_UART0_TX, 0)>,
+				 <PINMUX(PIN_UART0_RX, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sdhci0 {
+	bus-width = <4>;
+	no-1-8-v;
+	no-mmc;
+	no-sdio;
+	disable-wp;
+	pinctrl-0 = <&sdhci0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
new file mode 100644
index 000000000000..32c988f3c58f
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01.dtsi
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#include <dt-bindings/pinctrl/pinctrl-sg2000.h>
+#include "sg2000.dtsi"
+
+/ {
+	model = "Milk-V Duo Module 01";
+	compatible = "milkv,duo-module-01", "sophgo,sg2000";
+
+	aliases {
+		serial0 = &uart0;
+		serial1 = &uart1;
+		serial2 = &uart2;
+		serial3 = &uart3;
+		serial4 = &uart4;
+	};
+};
+
+&osc {
+	clock-frequency = <25000000>;
+};
+
+&emmc {
+	bus-width = <4>;
+	no-1-8-v;
+	cap-mmc-hw-reset;
+	no-sd;
+	no-sdio;
+	non-removable;
+	status = "okay";
+};
+
+/* Wi-Fi */
+&sdhci1 {
+	bus-width = <4>;
+	cap-sdio-irq;
+	no-mmc;
+	no-sd;
+	non-removable;
+};
diff --git a/arch/arm64/boot/dts/sophgo/sg2000.dtsi b/arch/arm64/boot/dts/sophgo/sg2000.dtsi
new file mode 100644
index 000000000000..51177dfe9ed2
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000.dtsi
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#define SOC_PERIPHERAL_IRQ(nr)		GIC_SPI (nr)
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <riscv/sophgo/cv180x.dtsi>
+#include <riscv/sophgo/cv181x.dtsi>
+
+/ {
+	compatible = "sophgo,sg2000";
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu@0 {
+			compatible = "arm,cortex-a53";
+			device_type = "cpu";
+			reg = <0>;
+			enable-method = "psci";
+			i-cache-size = <32768>;
+			d-cache-size = <32768>;
+			next-level-cache = <&l2>;
+		};
+
+		l2: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+			cache-unified;
+			cache-size = <0x20000>;
+		};
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>;	/* 512MiB */
+	};
+
+	pmu {
+		compatible = "arm,cortex-a53-pmu";
+		interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+		cpu_on = <0xc4000003>;
+		cpu_off = <0x84000002>;
+	};
+
+	soc {
+		gic: interrupt-controller@1f01000 {
+			compatible = "arm,cortex-a15-gic";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			reg = <0x01f01000 0x1000>,
+			      <0x01f02000 0x2000>;
+		};
+
+		pinctrl: pinctrl@3001000 {
+			compatible = "sophgo,sg2000-pinctrl";
+			reg = <0x03001000 0x1000>,
+			      <0x05027000 0x1000>;
+			reg-names = "sys", "rtc";
+		};
+
+		clk: clock-controller@3002000 {
+			compatible = "sophgo,sg2000-clk";
+			reg = <0x03002000 0x1000>;
+			clocks = <&osc>;
+			#clock-cells = <1>;
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		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)>;
+		always-on;
+		clock-frequency = <25000000>;
+	};
+};
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 7f22186480dc..a39794d90772 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -68,6 +68,7 @@ CONFIG_ARCH_RENESAS=y
 CONFIG_ARCH_ROCKCHIP=y
 CONFIG_ARCH_SEATTLE=y
 CONFIG_ARCH_INTEL_SOCFPGA=y
+CONFIG_ARCH_SOPHGO=y
 CONFIG_ARCH_STM32=y
 CONFIG_ARCH_SYNQUACER=y
 CONFIG_ARCH_TEGRA=y
@@ -656,6 +657,7 @@ CONFIG_PINCTRL_SM8450_LPASS_LPI=m
 CONFIG_PINCTRL_SC8280XP_LPASS_LPI=m
 CONFIG_PINCTRL_SM8550_LPASS_LPI=m
 CONFIG_PINCTRL_SM8650_LPASS_LPI=m
+CONFIG_PINCTRL_SOPHGO_SG2000=y
 CONFIG_GPIO_ALTERA=m
 CONFIG_GPIO_DAVINCI=y
 CONFIG_GPIO_DWAPB=y
@@ -1432,6 +1434,7 @@ CONFIG_QCOM_HFPLL=y
 CONFIG_CLK_GFM_LPASS_SM8250=m
 CONFIG_CLK_RCAR_USB2_CLOCK_SEL=y
 CONFIG_CLK_RENESAS_VBATTB=m
+CONFIG_CLK_SOPHGO_CV1800=y
 CONFIG_HWSPINLOCK=y
 CONFIG_HWSPINLOCK_OMAP=m
 CONFIG_HWSPINLOCK_QCOM=y
@@ -1533,6 +1536,7 @@ CONFIG_QCOM_SPMI_VADC=m
 CONFIG_QCOM_SPMI_ADC5=m
 CONFIG_ROCKCHIP_SARADC=m
 CONFIG_RZG2L_ADC=m
+CONFIG_SOPHGO_CV1800B_ADC=m
 CONFIG_TI_ADS1015=m
 CONFIG_TI_AM335X_ADC=m
 CONFIG_IIO_CROS_EC_SENSORS_CORE=m