linux-kernel - [PATCH v3 2/2] arm64: dts: rockchip: Add SDR104 mode to SD-card I/F on rk3399-roc-pc

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Message-ID: <1b9b8314-8778-2d48-6f7a-3502c2146c42@fivetechno.de>
Date:   Mon, 18 Nov 2019 12:23:47 +0100
From:   Markus Reichl <m.reichl@...etechno.de>
To:     Heiko Stuebner <heiko@...ech.de>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jagan Teki <jagan@...rulasolutions.com>,
        "'Ulf Hansson'" <ulf.hansson@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>
Subject: [PATCH v3 2/2] arm64: dts: rockchip: Add SDR104 mode to SD-card I/F
 on rk3399-roc-pc

Add SDR104 capability and regulators to SD card node.

Signed-off-by: Markus Reichl <m.reichl@...etechno.de>
---
v3: Split patch in two, remove non related changes
v2: Remove always-on from vcc3v0_sd
---
 .../boot/dts/rockchip/rk3399-roc-pc.dtsi      | 23 ++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
index 6d485712f47c..014a9869d61a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi
@@ -135,6 +135,19 @@
 		vin-supply = <&vcc_1v8>;
 	};
 
+	vcc3v0_sd: vcc3v0-sd {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio4 RK_PD6 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc3v0_sd_en>;
+		regulator-name = "vcc3v0_sd";
+		regulator-boot-on;
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3000000>;
+		vin-supply = <&vcc3v3_sys>;
+	};
+
 	vcc3v3_sys: vcc3v3-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc3v3_sys";
@@ -610,6 +623,12 @@
 		};
 	};
 
+	sdmmc {
+		vcc3v0_sd_en: vcc3v0-sd-en {
+			rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	pmic {
 		pmic_int_l: pmic-int-l {
 			rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -662,13 +681,15 @@
 
 &sdmmc {
 	bus-width = <4>;
-	cap-mmc-highspeed;
 	cap-sd-highspeed;
 	cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	max-frequency = <150000000>;
+	sd-uhs-sdr104;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
+	vmmc-supply = <&vcc3v0_sd>;
+	vqmmc-supply = <&vcc_sdio>;
 	status = "okay";
 };
 
-- 
2.20.1