arm: dts: mt7622: add i2c support
Add both hardware and software i2c support for mt7622.
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
diff --git a/arch/arm/dts/mt7622.dtsi b/arch/arm/dts/mt7622.dtsi
index fb6c1b7..2d89fa0 100644
--- a/arch/arm/dts/mt7622.dtsi
+++ b/arch/arm/dts/mt7622.dtsi
@@ -424,4 +424,28 @@
status = "disabled";
};
+ soft_i2c: soft_i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "i2c-gpio";
+ gpios = <&gpio 56 GPIO_ACTIVE_HIGH>, /* SDA */
+ <&gpio 55 GPIO_ACTIVE_HIGH>; /* CLK */
+ i2c-gpio,delay-us = <5>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@11008000 {
+ compatible = "mediatek,mt7622-i2c";
+ reg = <0x11008000 0x90>,
+ <0x11000180 0x80>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
+ clock-div = <16>;
+ clocks = <&pericfg CLK_PERI_I2C1_PD>,
+ <&pericfg CLK_PERI_AP_DMA_PD>;
+ clock-names = "main", "dma";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
};