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Subject[PATCH] ARM: dts: imx6sll-evk: enable usdhc3 slot
Date
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@nxp.com>
---
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..9013f03 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 {
@@ -218,6 +229,18 @@
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 = <&reg_sd3_vmmc>;
+ status = "okay";
+};
+
&usbotg1 {
vbus-supply = <&reg_usb_otg1_vbus>;
pinctrl-names = "default";
@@ -261,6 +284,12 @@
>;
};

+ pinctrl_reg_sd3_vmmc: sd3vmmcgrp {
+ fsl,pins = <
+ MX6SLL_PAD_KEY_COL6__GPIO4_IO04 0x17059
+ >;
+ };
+
pinctrl_uart1: uart1grp {
fsl,pins = <
MX6SLL_PAD_UART1_TXD__UART1_DCE_TX 0x1b0b1
@@ -301,6 +330,42 @@
>;
};

+ 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_usbotg1: usbotg1grp {
fsl,pins = <
MX6SLL_PAD_EPDC_PWR_COM__USB_OTG1_ID 0x17059
--
2.7.4
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