From: Jacob Chen <jacob2.c...@rock-chips.com>
This patch add sdmmc support for rk1108-evb, now I can load the rootfs
from sdmmc.
Signed-off-by: Jacob Chen <jacob2.c...@rock-chips.com>
---
arch/arm/boot/dts/rk1108-evb.dts | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/rk1108-evb.dts b/arch/arm/boot/dts/rk1108-evb.dts
index 3956cff..cea26e5 100644
--- a/arch/arm/boot/dts/rk1108-evb.dts
+++ b/arch/arm/boot/dts/rk1108-evb.dts
@@ -56,6 +56,18 @@
};
};
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ card-detect-delay = <200>;
+ disable-wp;
+ num-slots = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
+ status = "okay";
+};
+
&uart0 {
status = "okay";
};
@@ -67,3 +79,12 @@
&uart2 {
status = "okay";
};
+
+&pinctrl {
+
+ sdmmc {
+ sdmmc_pwr: sdmmc-pwr {
+ rockchip,pins = <3 RK_PB7 RK_FUNC_GPIO
&pcfg_pull_up_drv_4ma>;
+ };
+ };
+};
--
2.7.4
