firefly reload board not support sd card yet. so support it.
Signed-off-by: Eddie Cai <eddie.cai.li...@gmail.com>
Reviewed-by: Shawn Lin <shawn....@rock-chips.com>
---
arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi | 31 +++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
b/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
index 413b61f..2f41209 100644
--- a/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
+++ b/arch/arm/boot/dts/rk3288-firefly-reload-core.dtsi
@@ -57,6 +57,17 @@
clock-output-names = "ext_gmac";
};
+ vcc_sd: sdmmc-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpio7 RK_PB3 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_pwr>;
+ regulator-name = "vcc_sd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ startup-delay-us = <100000>;
+ vin-supply = <&vcc_io>;
+ };
vcc_flash: flash-regulator {
compatible = "regulator-fixed";
@@ -281,6 +292,26 @@
rockchip,pins = <4 8 RK_FUNC_GPIO &pcfg_output_high>;
};
};
+
+ sdmmc {
+ sdmmc_pwr: sdmmc-pwr {
+ rockchip,pins = <7 11 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&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>;
+ vmmc-supply = <&vcc_sd>;
+ vqmmc-supply = <&vccio_sd>;
+ status = "okay";
};
&tsadc {
--
1.9.1
