From: Liang Chen <cl@xxxxxxxxxxxxxx>
Rockchip's rk3328 evaluation board has 3 mmc controllers for
sdio/sdmmc/emmc, let's enable them.
Signed-off-by: Liang Chen <cl@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk3328-evb.dts | 74 +++++++++++++++++++++++++++++
1 file changed, 74 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
index 86605ae..479f9d9 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
@@ -60,6 +60,20 @@
regulator-max-microvolt = <12000000>;
};
+ sdio_pwrseq: sdio-pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ pinctrl-names = "default";
+ pinctrl-0 = <&wifi_enable_h>;
+
+ /*
+ * On the module itself this is one of these (depending
+ * on the actual card populated):
+ * - SDIO_RESET_L_WL_REG_ON
+ * - PDN (power down when low)
+ */
+ reset-gpios = <&gpio1 18 GPIO_ACTIVE_LOW>;
+ };
+
vcc_sys: vcc-sys {
compatible = "regulator-fixed";
regulator-name = "vcc_sys";
@@ -69,6 +83,29 @@
regulator-max-microvolt = <5000000>;
vin-supply = <&dc_12v>;
};
+
+ vcc_sd: sdmmc-regulator {
+ compatible = "regulator-fixed";
+ gpio = <&gpio0 30 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0m1_gpio>;
+ regulator-name = "vcc_sd";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_io>;
+ };
+};
+
+&emmc {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ supports-emmc;
+ disable-wp;
+ non-removable;
+ num-slots = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
+ status = "okay";
};
&i2c1 {
@@ -186,6 +223,43 @@
rockchip,pins = <2 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
};
};
+
+ sdio-pwrseq {
+ wifi_enable_h: wifi-enable-h {
+ rockchip,pins =
+ <1 18 RK_FUNC_GPIO &pcfg_pull_none>;
+ };
+ };
+};
+
+&sdio {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ cap-sdio-irq;
+ disable-wp;
+ keep-power-in-suspend;
+ max-frequency = <150000000>;
+ mmc-pwrseq = <&sdio_pwrseq>;
+ non-removable;
+ num-slots = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc1_bus4 &sdmmc1_cmd &sdmmc1_clk>;
+ supports-sdio;
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+ max-frequency = <150000000>;
+ num-slots = <1>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_dectn &sdmmc0_bus4>;
+ supports-sd;
+ vmmc-supply = <&vcc_sd>;
+ status = "okay";
};
&tsadc {
--
1.9.1
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