ARM: dts: imx7d-sdb: add eMMC5.0 support

imx7d-sdb board has a eMMC5.0 on usdhc3. This eMMC support HS400.
This patch add usdhc3 support for HS400

Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
Acked-by: Dong Aisheng <aisheng.dong@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7d-sdb.dts b/arch/arm/boot/dts/imx7d-sdb.dts
index fdd1d7c9a5cc2608ac047f088f62e394d88db124..805945873527d7150faa889284e8508aa52084f6 100644 (file)
--- a/arch/arm/boot/dts/imx7d-sdb.dts
+++ b/arch/arm/boot/dts/imx7d-sdb.dts
@@ -241,6 +241,19 @@
        status = "okay";
 };
 
+&usdhc3 {
+       pinctrl-names = "default", "state_100mhz", "state_200mhz";
+       pinctrl-0 = <&pinctrl_usdhc3>;
+       pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+       pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+       assigned-clocks = <&clks IMX7D_USDHC3_ROOT_CLK>;
+       assigned-clock-rates = <400000000>;
+       bus-width = <8>;
+       fsl,tuning-step = <2>;
+       non-removable;
+       status = "okay";
+};
+
 &iomuxc {
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_hog>;