linux-kernel - [PATCH 1/2] staging: mt7621-dts: update sdhci config.

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Date:   Mon, 01 Jul 2019 10:43:07 +1000
From:   NeilBrown <neil@...wn.name>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     devel@...verdev.osuosl.org, lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/2] staging: mt7621-dts: update sdhci config.

The mtk-sd driver has been updated to support
the IP in the mt7621, so update our configuration
to work with it.

Signed-off-by: NeilBrown <neil@...wn.name>
---
 drivers/staging/mt7621-dts/mt7621.dtsi |   41 +++++++++++++++++++++++++++++++-
 1 file changed, 40 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/mt7621-dts/mt7621.dtsi b/drivers/staging/mt7621-dts/mt7621.dtsi
index 9c90cac82efc..549ff5a0699e 100644
--- a/drivers/staging/mt7621-dts/mt7621.dtsi
+++ b/drivers/staging/mt7621-dts/mt7621.dtsi
@@ -43,6 +43,30 @@
 		clock-frequency = <220000000>;
 	};
 
+	mmc_clock: mmc_clock@0 {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+		clock-frequency = <48000000>;
+	};
+
+	mmc_fixed_3v3: fixedregulator@0 {
+		compatible = "regulator-fixed";
+		regulator-name = "mmc_power";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		enable-active-high;
+		regulator-always-on;
+	  };
+
+	  mmc_fixed_1v8_io: fixedregulator@1 {
+		compatible = "regulator-fixed";
+		regulator-name = "mmc_io";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		enable-active-high;
+		regulator-always-on;
+	};
+
 	palmbus: palmbus@...00000 {
 		compatible = "palmbus";
 		reg = <0x1E000000 0x100000>;
@@ -299,9 +323,24 @@
 	sdhci: sdhci@...30000 {
 		status = "disabled";
 
-		compatible = "ralink,mt7620-sdhci";
+		compatible = "mediatek,mt7620-mmc";
 		reg = <0x1E130000 0x4000>;
 
+		bus-width = <4>;
+		max-frequency = <48000000>;
+		cap-sd-highspeed;
+		cap-mmc-highspeed;
+		vmmc-supply = <&mmc_fixed_3v3>;
+		vqmmc-supply = <&mmc_fixed_1v8_io>;
+		disable-wp;
+
+		pinctrl-names = "default", "state_uhs";
+		pinctrl-0 = <&sdhci_pins>;
+		pinctrl-1 = <&sdhci_pins>;
+
+		clocks = <&mmc_clock &mmc_clock>;
+		clock-names = "source", "hclk";
+
 		interrupt-parent = <&gic>;
 		interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
 	};