linux-kernel - [PATCH v2 09/13] arm64: allwinner: a100: Add MMC related nodes

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Message-ID: <20241031070232.1793078-10-masterr3c0rd@epochal.quest>
Date: Thu, 31 Oct 2024 04:02:22 -0300
From: Cody Eksal <masterr3c0rd@...chal.quest>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen-Yu Tsai <wens@...e.org>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	Samuel Holland <samuel@...lland.org>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Maxime Ripard <mripard@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Nishanth Menon <nm@...com>,
	"Rafael J. Wysocki" <rafael@...nel.org>,
	Stephen Boyd <sboyd@...nel.org>,
	Vinod Koul <vkoul@...nel.org>,
	Viresh Kumar <vireshk@...nel.org>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Yangtao Li <tiny.windzz@...il.com>,
	Parthiban <parthiban@...umiz.com>,
	Andre Przywara <andre.przywara@....com>,
	Cody Eksal <masterr3c0rd@...chal.quest>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 09/13] arm64: allwinner: a100: Add MMC related nodes

From: Yangtao Li <frank@...winnertech.com>

The A100 has 3 MMC controllers, one of them being especially targeted to
eMMC. Let's add nodes on dts.

Signed-off-by: Yangtao Li <frank@...winnertech.com>
Reviewed-by: Andre Przywara <andre.przywara@....com>
Signed-off-by: Cody Eksal <masterr3c0rd@...chal.quest>
---
 .../arm64/boot/dts/allwinner/sun50i-a100.dtsi | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
index f6162a107641..29ac7716c7a5 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi
@@ -169,12 +169,83 @@ pio: pinctrl@...b000 {
 			interrupt-controller;
 			#interrupt-cells = <3>;
 
+			mmc0_pins: mmc0-pins {
+				pins = "PF0", "PF1", "PF2", "PF3",
+				       "PF4", "PF5";
+				function = "mmc0";
+				drive-strength = <30>;
+				bias-pull-up;
+			};
+
+			/omit-if-no-ref/
+			mmc1_pins: mmc1-pins {
+				pins = "PG0", "PG1", "PG2", "PG3",
+				       "PG4", "PG5";
+				function = "mmc1";
+				drive-strength = <30>;
+				bias-pull-up;
+			};
+
+			mmc2_pins: mmc2-pins {
+				pins = "PC0", "PC1", "PC5", "PC6",
+				       "PC8", "PC9", "PC10", "PC11",
+				       "PC13", "PC14", "PC15", "PC16";
+				function = "mmc2";
+				drive-strength = <30>;
+				bias-pull-up;
+			};
+
 			uart0_pb_pins: uart0-pb-pins {
 				pins = "PB9", "PB10";
 				function = "uart0";
 			};
 		};
 
+		mmc0: mmc@...0000 {
+			compatible = "allwinner,sun50i-a100-mmc";
+			reg = <0x04020000 0x1000>;
+			clocks = <&ccu CLK_BUS_MMC0>, <&ccu CLK_MMC0>;
+			clock-names = "ahb", "mmc";
+			resets = <&ccu RST_BUS_MMC0>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc0_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		mmc1: mmc@...1000 {
+			compatible = "allwinner,sun50i-a100-mmc";
+			reg = <0x04021000 0x1000>;
+			clocks = <&ccu CLK_BUS_MMC1>, <&ccu CLK_MMC1>;
+			clock-names = "ahb", "mmc";
+			resets = <&ccu RST_BUS_MMC1>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc1_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		mmc2: mmc@...2000 {
+			compatible = "allwinner,sun50i-a100-emmc";
+			reg = <0x04022000 0x1000>;
+			clocks = <&ccu CLK_BUS_MMC2>, <&ccu CLK_MMC2>;
+			clock-names = "ahb", "mmc";
+			resets = <&ccu RST_BUS_MMC2>;
+			reset-names = "ahb";
+			interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&mmc2_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		uart0: serial@...0000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x05000000 0x400>;
-- 
2.47.0