[PATCH 2/2] arm64: dts: renesas: white-hawk-cpu: Add eMMC support
Geert Uytterhoeven
geert+renesas at glider.be
Wed Oct 12 00:12:34 PDT 2022
From: Takeshi Kihara <takeshi.kihara.df at renesas.com>
Describe the eMMC on the White Hawk CPU board.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df at renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas at glider.be>
---
.../dts/renesas/r8a779g0-white-hawk-cpu.dtsi | 41 +++++++++++++++++++
1 file changed, 41 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
index f424b827fcbc7666..b306e5a10794dfb5 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779g0-white-hawk-cpu.dtsi
@@ -96,6 +96,24 @@ memory at 600000000 {
device_type = "memory";
reg = <0x6 0x00000000 0x1 0x00000000>;
};
+
+ reg_1p8v: regulator-1p8v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ reg_3p3v: regulator-3p3v {
+ compatible = "regulator-fixed";
+ regulator-name = "fixed-3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
};
&avb0 {
@@ -154,6 +172,23 @@ eeprom at 50 {
};
};
+&mmc0 {
+ pinctrl-0 = <&mmc_pins>;
+ pinctrl-1 = <&mmc_pins>;
+ pinctrl-names = "default", "state_uhs";
+
+ vmmc-supply = <®_3p3v>;
+ vqmmc-supply = <®_1p8v>;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ bus-width = <8>;
+ no-sd;
+ no-sdio;
+ non-removable;
+ full-pwr-cycle-in-suspend;
+ status = "okay";
+};
+
&pfc {
pinctrl-0 = <&scif_clk_pins>;
pinctrl-names = "default";
@@ -191,6 +226,12 @@ keys_pins: keys {
bias-pull-up;
};
+ mmc_pins: mmc {
+ groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
+ function = "mmc";
+ power-source = <1800>;
+ };
+
scif_clk_pins: scif_clk {
groups = "scif_clk";
function = "scif_clk";
--
2.25.1
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