[PATCH V2] ARM: dts: imx6sll-evk: enable usdhc3 slot
From: Anson Huang
Date: Wed Jun 27 2018 - 21:09:58 EST
On i.MX6SLL EVK board, SD3 slot can be used for
WiFi and other SD accessories, enable it.
Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
---
arch/arm/boot/dts/imx6sll-evk.dts | 65 +++++++++++++++++++++++++++++++++++++++
1 file changed, 65 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sll-evk.dts b/arch/arm/boot/dts/imx6sll-evk.dts
index 2217c40..1a60c8d 100644
--- a/arch/arm/boot/dts/imx6sll-evk.dts
+++ b/arch/arm/boot/dts/imx6sll-evk.dts
@@ -84,6 +84,17 @@
gpio = <&gpio3 30 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
+
+ reg_sd3_vmmc: regulator-sd3-vmmc {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_sd3_vmmc>;
+ regulator-name = "SD3_WIFI";
+ regulator-min-microvolt = <3000000>;
+ regulator-max-microvolt = <3000000>;
+ gpio = <&gpio4 4 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
};
&cpu0 {
@@ -236,7 +247,25 @@
status = "okay";
};
+&usdhc3 {
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
+ pinctrl-0 = <&pinctrl_usdhc3>;
+ pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+ cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
+ keep-power-in-suspend;
+ enable-sdio-wakeup;
+ vmmc-supply = <®_sd3_vmmc>;
+ status = "okay";
+};
+
&iomuxc {
+ pinctrl_reg_sd3_vmmc: sd3vmmcgrp {
+ fsl,pins = <
+ MX6SLL_PAD_KEY_COL6__GPIO4_IO04 0x17059
+ >;
+ };
+
pinctrl_usb_otg1_vbus: vbus1grp {
fsl,pins = <
MX6SLL_PAD_KEY_COL4__GPIO4_IO00 0x17059
@@ -307,6 +336,42 @@
>;
};
+ pinctrl_usdhc3: usdhc3grp {
+ fsl,pins = <
+ MX6SLL_PAD_SD3_CMD__SD3_CMD 0x17061
+ MX6SLL_PAD_SD3_CLK__SD3_CLK 0x13061
+ MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x17061
+ MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x17061
+ MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x17061
+ MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x17061
+ MX6SLL_PAD_REF_CLK_32K__GPIO3_IO22 0x17059
+ >;
+ };
+
+ pinctrl_usdhc3_100mhz: usdhc3grp_100mhz {
+ fsl,pins = <
+ MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170a1
+ MX6SLL_PAD_SD3_CLK__SD3_CLK 0x130a1
+ MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170a1
+ MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170a1
+ MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170a1
+ MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170a1
+ MX6SLL_PAD_REF_CLK_32K__GPIO3_IO22 0x17059
+ >;
+ };
+
+ pinctrl_usdhc3_200mhz: usdhc3grp_200mhz {
+ fsl,pins = <
+ MX6SLL_PAD_SD3_CMD__SD3_CMD 0x170e9
+ MX6SLL_PAD_SD3_CLK__SD3_CLK 0x130f9
+ MX6SLL_PAD_SD3_DATA0__SD3_DATA0 0x170e9
+ MX6SLL_PAD_SD3_DATA1__SD3_DATA1 0x170e9
+ MX6SLL_PAD_SD3_DATA2__SD3_DATA2 0x170e9
+ MX6SLL_PAD_SD3_DATA3__SD3_DATA3 0x170e9
+ MX6SLL_PAD_REF_CLK_32K__GPIO3_IO22 0x17059
+ >;
+ };
+
pinctrl_i2c1: i2c1grp {
fsl,pins = <
MX6SLL_PAD_I2C1_SCL__I2C1_SCL 0x4001b8b1
--
2.7.4