arm64: dts: mediatek: mt7981: add I2C controller

MT7981 has one on-SoC I2C controller that differs from recent Mediatek
blocks by having a different SLAVE_ADDR register offset (thus a custom
binding compatible string).

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Link: https://lore.kernel.org/r/20240604063159.29216-1-zajec5@gmail.com
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

diff --git a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
index 0fc7c6d..64aeeb2 100644 (file)
--- a/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7981b.dtsi
@@ -94,6 +94,21 @@
                        #pwm-cells = <2>;
                };
 
+               i2c@11007000 {
+                       compatible = "mediatek,mt7981-i2c";
+                       reg = <0 0x11007000 0 0x1000>,
+                             <0 0x10217080 0 0x80>;
+                       interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&infracfg CLK_INFRA_I2C0_CK>,
+                                <&infracfg CLK_INFRA_AP_DMA_CK>,
+                                <&infracfg CLK_INFRA_I2C_MCK_CK>,
+                                <&infracfg CLK_INFRA_I2C_PCK_CK>;
+                       clock-names = "main", "dma", "arb", "pmic";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+
                pio: pinctrl@11d00000 {
                        compatible = "mediatek,mt7981-pinctrl";
                        reg = <0 0x11d00000 0 0x1000>,