linux-kernel - [PATCH v2 3/3] arm64: dts: hisilicon: hi3670.dtsi: add I2C settings

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Message-Id: <d3e129b4520cb725283ae798664667b6a41837bf.1610710288.git.mchehab+huawei@kernel.org>
Date:   Fri, 15 Jan 2021 12:53:58 +0100
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Wei Xu <xuwei5@...ilicon.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] arm64: dts: hisilicon: hi3670.dtsi: add I2C settings

The I2C buses are not declared at the device tree. As this will
be needed by further patches, add them, keeping all in
disabled state. Per-board settings can override it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 71 +++++++++++++++++++++++
 1 file changed, 71 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
index 4e73c4614a71..36d3ae493c7d 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
@@ -715,5 +715,76 @@ dwmmc2: dwmmc2@...83000 {
 			card-detect-delay = <200>;
 			status = "disabled";
 		};
+
+		/* I2C */
+		i2c0: i2c@...71000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xffd71000 0x0 0x1000>;
+			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clock-frequency = <400000>;
+			clocks = <&iomcu HI3670_CLK_GATE_I2C0>;
+			resets = <&iomcu_rst 0x20 3>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c0_pmx_func &i2c0_cfg_func>;
+			status = "disabled";
+		};
+
+		i2c1: i2c@...72000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xffd72000 0x0 0x1000>;
+			interrupts = <GIC_SPI 119 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clock-frequency = <400000>;
+			clocks = <&iomcu HI3670_CLK_GATE_I2C1>;
+			resets = <&iomcu_rst 0x20 4>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c1_pmx_func &i2c1_cfg_func>;
+			status = "disabled";
+		};
+
+		i2c2: i2c@...73000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xffd73000 0x0 0x1000>;
+			interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clock-frequency = <400000>;
+			clocks = <&iomcu HI3670_CLK_GATE_I2C2>;
+			resets = <&iomcu_rst 0x20 5>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c2_pmx_func &i2c2_cfg_func>;
+			status = "disabled";
+		};
+
+		i2c3: i2c@...0c000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xfdf0c000 0x0 0x1000>;
+			interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clock-frequency = <400000>;
+			clocks = <&crg_ctrl HI3670_CLK_GATE_I2C3>;
+			resets = <&crg_rst 0x78 7>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c3_pmx_func &i2c3_cfg_func>;
+			status = "disabled";
+		};
+
+		i2c4: i2c@...0d000 {
+			compatible = "snps,designware-i2c";
+			reg = <0x0 0xfdf0d000 0x0 0x1000>;
+			interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clock-frequency = <400000>;
+			clocks = <&crg_ctrl HI3670_CLK_GATE_I2C4>;
+			resets = <&crg_rst 0x78 27>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&i2c4_pmx_func &i2c4_cfg_func>;
+			status = "disabled";
+		};
 	};
 };
-- 
2.29.2