[PATCH v2 1/3] arm64: dts: meson-g12a-x96-max: add support for sdcard and emmc

From: Neil Armstrong
Date: Fri Jun 07 2019 - 10:51:59 EST


From: Guillaume La Roque <glaroque@xxxxxxxxxxxx>

Add nodes to support SDCard and onboard eMMC on the X96 Max.

Signed-off-by: Guillaume La Roque <glaroque@xxxxxxxxxxxx>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
---
.../boot/dts/amlogic/meson-g12a-x96-max.dts | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
index 5cdc263b03e6..69aae6c03dc5 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12a-x96-max.dts
@@ -45,6 +45,11 @@
};
};

+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
+ };
+
flash_1v8: regulator-flash_1v8 {
compatible = "regulator-fixed";
regulator-name = "FLASH_1V8";
@@ -172,3 +177,38 @@
status = "okay";
dr_mode = "host";
};
+
+/* SD card */
+&sd_emmc_b {
+ status = "okay";
+ pinctrl-0 = <&sdcard_c_pins>;
+ pinctrl-1 = <&sdcard_clk_gate_c_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <4>;
+ cap-sd-highspeed;
+ max-frequency = <100000000>;
+ disable-wp;
+
+ cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
+ vmmc-supply = <&vddao_3v3>;
+ vqmmc-supply = <&vddao_3v3>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+ status = "okay";
+ pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
+ pinctrl-1 = <&emmc_clk_gate_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ max-frequency = <100000000>;
+ non-removable;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&flash_1v8>;
+};
--
2.21.0