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authorFaiz Abbas <faiz_abbas@ti.com>2020-11-29 23:22:23 +0530
committerNishanth Menon <nm@ti.com>2020-11-30 07:12:54 -0600
commitcd48ce86a4d0c1ffec86aa46a26da993c9af5f53 (patch)
tree7611023f9e2ba88209261d628846300bf6ec7642 /arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
parentarm64: dts: ti: k3-j721e-main: Add output tap delay values (diff)
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arm64: dts: ti: k3-j721e-common-proc-board: Add support for SD card UHS modes
Add support for UHS modes for the SD card connected at sdhci1. This involves adding regulators for voltage switching and power cycling the SD card and removing the no-1-8-v property. Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Link: https://lore.kernel.org/r/20201129175223.21751-3-nsekhar@ti.com
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts')
-rw-r--r--arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 5754892f8501..60764366e22b 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -67,6 +67,31 @@
regulator-boot-on;
};
+ vdd_mmc1: fixedregulator-sd {
+ compatible = "regulator-fixed";
+ regulator-name = "vdd_mmc1";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ enable-active-high;
+ vin-supply = <&vsys_3v3>;
+ gpio = <&exp2 2 GPIO_ACTIVE_HIGH>;
+ };
+
+ vdd_sd_dv_alt: gpio-regulator-TLV71033 {
+ compatible = "regulator-gpio";
+ pinctrl-names = "default";
+ pinctrl-0 = <&vdd_sd_dv_alt_pins_default>;
+ regulator-name = "tlv71033";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ vin-supply = <&vsys_5v0>;
+ gpios = <&main_gpio0 117 GPIO_ACTIVE_HIGH>;
+ states = <1800000 0x0>,
+ <3300000 0x1>;
+ };
+
sound0: sound@0 {
compatible = "ti,j721e-cpb-audio";
model = "j721e-cpb";
@@ -106,6 +131,12 @@
>;
};
+ vdd_sd_dv_alt_pins_default: vdd-sd-dv-alt-pins-default {
+ pinctrl-single,pins = <
+ J721E_IOPAD(0x1d8, PIN_INPUT, 7) /* (W4) SPI1_CS1.GPIO0_117 */
+ >;
+ };
+
main_usbss0_pins_default: main-usbss0-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0x290, PIN_OUTPUT, 0) /* (U6) USB0_DRVVBUS */
@@ -295,6 +326,8 @@
&main_sdhci1 {
/* SD/MMC */
+ vmmc-supply = <&vdd_mmc1>;
+ vqmmc-supply = <&vdd_sd_dv_alt>;
pinctrl-names = "default";
pinctrl-0 = <&main_mmc1_pins_default>;
ti,driver-strength-ohm = <50>;