linux-kernel - [PATCH v3 2/2] arm64: allwinner: h6: add I2C nodes

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Message-Id: <20190816084309.27440-3-bshah@kde.org>
Date:   Fri, 16 Aug 2019 14:13:09 +0530
From:   Bhushan Shah <bshah@....org>
To:     Icenowy Zheng <icenowy@...c.io>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        Wolfram Sang <wsa@...-dreams.de>, Bhushan Shah <bshah@....org>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v3 2/2] arm64: allwinner: h6: add I2C nodes

Add device-tree nodes for i2c0 to i2c2, and also add relevant pinctrl
nodes.

Suggested-by: Icenowy Zheng <icenowy@...c.io>
Signed-off-by: Bhushan Shah <bshah@....org>
---
Changes in v3:
  - fix compatible for the i2c
 arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 60 +++++++++++++++++++-
 1 file changed, 59 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
index db71807255ef..5dc174715311 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
@@ -332,6 +332,21 @@
 				function = "hdmi";
 			};
 
+			i2c0_pins: i2c0-pins {
+				pins = "PD25", "PD26";
+				function = "i2c0";
+			};
+
+			i2c1_pins: i2c1-pins {
+				pins = "PH5", "PH6";
+				function = "i2c1";
+			};
+
+			i2c2_pins: i2c2-pins {
+				pins = "PD23", "PD24";
+				function = "i2c2";
+			};
+
 			mmc0_pins: mmc0-pins {
 				pins = "PF0", "PF1", "PF2", "PF3",
 				       "PF4", "PF5";
@@ -467,6 +482,48 @@
 			status = "disabled";
 		};
 
+		i2c0: i2c@...2000 {
+			compatible = "allwinner,sun50i-h6-i2c",
+				     "allwinner,sun6i-a31-i2c";
+			reg = <0x05002000 0x400>;
+			interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2C0>;
+			resets = <&ccu RST_BUS_I2C0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c1: i2c@...2400 {
+			compatible = "allwinner,sun50i-h6-i2c",
+				     "allwinner,sun6i-a31-i2c";
+			reg = <0x05002400 0x400>;
+			interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2C1>;
+			resets = <&ccu RST_BUS_I2C1>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
+		i2c2: i2c@...2800 {
+			compatible = "allwinner,sun50i-h6-i2c",
+				     "allwinner,sun6i-a31-i2c";
+			reg = <0x05002800 0x400>;
+			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&ccu CLK_BUS_I2C2>;
+			resets = <&ccu RST_BUS_I2C2>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pins>;
+			status = "disabled";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+
 		emac: ethernet@...0000 {
 			compatible = "allwinner,sun50i-h6-emac",
 				     "allwinner,sun50i-a64-emac";
@@ -798,7 +855,8 @@
 		};
 
 		r_i2c: i2c@...1400 {
-			compatible = "allwinner,sun6i-a31-i2c";
+			compatible = "allwinner,sun50i-h6-i2c",
+				     "allwinner,sun6i-a31-i2c";
 			reg = <0x07081400 0x400>;
 			interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&r_ccu CLK_R_APB2_I2C>;
-- 
2.17.1