linux-kernel - [PATCH 6/6] arm64: dts: renesas: falcon: Enable MMC

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Date:   Sun, 27 Dec 2020 18:42:00 +0100
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-renesas-soc@...r.kernel.org
Cc:     Takeshi Saito <takeshi.saito.xv@...esas.com>,
        Koji Matsuoka <koji.matsuoka.xm@...esas.com>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 6/6] arm64: dts: renesas: falcon: Enable MMC

From: Takeshi Saito <takeshi.saito.xv@...esas.com>

Enable MMC on the Falcon board.

Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@...esas.com>
[wsa: double checked & rebased]
Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
 .../boot/dts/renesas/r8a779a0-falcon.dts      | 41 +++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
index 48801f2bdbe5..0c44466d398f 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779a0-falcon.dts
@@ -20,6 +20,24 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	reg_1p8v: regulator0 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-1.8V";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator1 {
+		compatible = "regulator-fixed";
+		regulator-name = "fixed-3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
 };
 
 &avb0 {
@@ -169,6 +187,23 @@ &i2c6 {
 	clock-frequency = <100000>;
 };
 
+&mmc0 {
+	pinctrl-0 = <&mmc_pins>;
+	pinctrl-1 = <&mmc_pins>;
+	pinctrl-names = "default", "state_uhs";
+
+	vmmc-supply = <&reg_3p3v>;
+	vqmmc-supply = <&reg_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 {
 	avb0_pins: avb0 {
 		mux {
@@ -307,6 +342,12 @@ i2c6_pins: i2c6 {
 		groups = "i2c6";
 		function = "i2c6";
 	};
+
+	mmc_pins: mmc {
+		groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
+		function = "mmc";
+		power-source = <1800>;
+	};
 };
 
 &rwdt {
-- 
2.28.0