[PATCH 7/7] arm64: dts: amlogic: Add EMMC for T7 khadas VIM4

[Ronald Claveau]

Add EMMC support for Amlogic T7 Khadas VIM4 device dts.

Signed-off-by: Ronald Claveau <linux-kernel-dev at aliel.fr>
---
 .../amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
index fffdab96b12e..fbc43a307015 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts
@@ -15,6 +15,10 @@ aliases {
 		serial0 = &uart_a;
 	};
 
+	chosen {
+		stdout-path = "serial0:921600n8";
+	};
+
 	memory at 0 {
 		device_type = "memory";
 		reg = <0x0 0x0 0x2 0x0>; /* 8 GB */
@@ -45,6 +49,42 @@ xtal: xtal-clk {
 		#clock-cells = <0>;
 	};
 
+	dc_in: regulator-dc-in {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_IN";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vsys_3v3: regulator-vsys-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VSYS_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&dc_in>;
+		regulator-always-on;
+	};
+
+	vcc_3v3: regulator-vcc-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vsys_3v3>;
+		regulator-always-on;
+		/* FIXME: actually controlled by VDDCPU_B_EN */
+	};
+
+	emmc_1v8: regulator-emmc-1v8 {
+		compatible = "regulator-fixed";
+		regulator-name = "EMMC_AO1V8";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vcc_3v3>;
+		regulator-always-on;
+	};
+
 };
 
 &uart_a {
@@ -52,3 +92,25 @@ &uart_a {
 	clocks = <&xtal>, <&xtal>, <&xtal>;
 	clock-names = "xtal", "pclk", "baud";
 };
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	mmc-hs400-1_8v;
+	max-frequency = <200000000>;
+	disable-wp;
+	non-removable;
+
+	power-domains = <&pwrc PWRC_T7_EMMC_ID>;
+
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&emmc_1v8>;
+};
-- 
2.49.0