[PATCH v2 2/3] arm64: dts: mediatek: add i2c support for mt8365 SoC

Alexandre Mergnat amergnat at baylibre.com
Thu Jan 19 09:08:53 PST 2023


There are four I2C master channels in MT8365 with a same HW architecture.

Signed-off-by: Alexandre Mergnat <amergnat at baylibre.com>
---
 arch/arm64/boot/dts/mediatek/mt8365.dtsi | 52 ++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8365.dtsi b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
index a32f2b7507be..013beb50b4aa 100644
--- a/arch/arm64/boot/dts/mediatek/mt8365.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8365.dtsi
@@ -282,6 +282,58 @@ pwm: pwm at 11006000 {
 			clock-names = "top", "main", "pwm1", "pwm2", "pwm3";
 		};
 
+		i2c0: i2c at 11007000 {
+			compatible = "mediatek,mt8365-i2c", "mediatek,mt8168-i2c";
+			reg = <0 0x11007000 0 0xa0>, <0 0x11000080 0 0x80>;
+			interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_LOW>;
+			clock-div = <1>;
+			clocks = <&infracfg CLK_IFR_I2C0_AXI>,
+				 <&infracfg CLK_IFR_AP_DMA>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c1: i2c at 11008000 {
+			compatible = "mediatek,mt8365-i2c", "mediatek,mt8168-i2c";
+			reg = <0 0x11008000 0 0xa0>, <0 0x11000100 0 0x80>;
+			interrupts = <GIC_SPI 29 IRQ_TYPE_LEVEL_LOW>;
+			clock-div = <1>;
+			clocks = <&infracfg CLK_IFR_I2C1_AXI>,
+				 <&infracfg CLK_IFR_AP_DMA>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c2: i2c at 11009000 {
+			compatible = "mediatek,mt8365-i2c", "mediatek,mt8168-i2c";
+			reg = <0 0x11009000 0 0xa0>, <0 0x11000180 0 0x80>;
+			interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_LOW>;
+			clock-div = <1>;
+			clocks = <&infracfg CLK_IFR_I2C2_AXI>,
+				 <&infracfg CLK_IFR_AP_DMA>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		i2c3: i2c at 1100f000 {
+			compatible = "mediatek,mt8365-i2c", "mediatek,mt8168-i2c";
+			reg = <0 0x1100f000 0 0xa0>, <0 0x11000200 0 0x80>;
+			interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_LOW>;
+			clock-div = <1>;
+			clocks = <&infracfg CLK_IFR_I2C3_AXI>,
+				 <&infracfg CLK_IFR_AP_DMA>;
+			clock-names = "main", "dma";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		spi: spi at 1100a000 {
 			compatible = "mediatek,mt8365-spi", "mediatek,mt7622-spi";
 			reg = <0 0x1100a000 0 0x100>;

-- 
b4 0.10.1



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