Enable the SDHC node and model the SDIO_PWR GPIO as a regulator.
Use the SD card as default trigger for the red LED.
Cc: Ettore Chimenti <ettore.chime...@udoo.org>
Signed-off-by: Andreas Färber <afaer...@suse.de>
---
arch/arm/boot/dts/imx6sx-udoo-neo.dtsi | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
index e074409644d8..85f5e8606dab 100644
--- a/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
+++ b/arch/arm/boot/dts/imx6sx-udoo-neo.dtsi
@@ -56,6 +56,7 @@
label = "udoo-neo:red:mmc";
gpios = <&gpio6 0 GPIO_ACTIVE_HIGH>;
default-state = "off";
+ linux,default-trigger = "mmc0";
};
orange {
@@ -64,6 +65,17 @@
default-state = "keep";
};
};
+
+ sdio_pwr_reg: sd-gpio-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpio6 1 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-name = "SDIO_PWR";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};
&cpu0 {
@@ -230,6 +242,17 @@
<MX6SX_PAD_CSI_DATA06__UART6_RTS_B
0x1b0b1>,
<MX6SX_PAD_CSI_DATA07__UART6_CTS_B
0x1b0b1>;
};
+
+ pinctrl_usdhc2: usdhc2grp {
+ fsl,pins =
+ <MX6SX_PAD_SD2_CMD__USDHC2_CMD
0x17059>,
+ <MX6SX_PAD_SD2_CLK__USDHC2_CLK
0x10059>,
+ <MX6SX_PAD_SD2_DATA0__USDHC2_DATA0
0x17059>,
+ <MX6SX_PAD_SD2_DATA1__USDHC2_DATA1
0x17059>,
+ <MX6SX_PAD_SD2_DATA2__USDHC2_DATA2
0x17059>,
+ <MX6SX_PAD_SD2_DATA3__USDHC2_DATA3
0x17059>,
+ <MX6SX_PAD_SD1_DATA0__GPIO6_IO_2
0x17059>; /* CD */
+ };
};
};
@@ -259,3 +282,14 @@
uart-has-rtscts;
status = "disabled";
};
+
+&usdhc2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_usdhc2>;
+ bus-width = <4>;
+ cd-gpios = <&gpio6 2 GPIO_ACTIVE_LOW>;
+ no-1-8-v;
+ keep-power-in-suspend;
+ wakeup-source;
+ status = "okay";
+};
--
2.6.6
