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authorJanne Grunau <j@jannau.net>2021-11-23 23:49:24 +0100
committerHector Martin <marcan@marcan.st>2021-12-01 23:21:33 +0900
commit90458f6eec42aafb7688eca0ec1d3c00adc31fb7 (patch)
tree9ed12a48114c550ebf147c2bd2f9fcefc8e3cff3 /arch/arm64/boot/dts/apple/t8103.dtsi
parent7c77ab91b33d2ef06c4f3eab633ceed8e7bfedcc (diff)
downloadlinux-90458f6eec42aafb7688eca0ec1d3c00adc31fb7.tar.bz2
arm64: dts: apple: t8103: Add i2c nodes
Apple M1 has at least 5 i2c controllers. i2c0, i2c1 and i2c3 are used on all M1 Mac devices. The 2020 Mac Mini uses i2c2 and the 13-inch MacBook Pro uses i2c2 and i2c4. Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Sven Peter <sven@svenpeter.dev> Tested-by: Hector Martin <marcan@marcan.st> Signed-off-by: Hector Martin <marcan@marcan.st>
Diffstat (limited to 'arch/arm64/boot/dts/apple/t8103.dtsi')
-rw-r--r--arch/arm64/boot/dts/apple/t8103.dtsi87
1 files changed, 87 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index c320c8baeb41..c62d9082c6a3 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -111,6 +111,68 @@
ranges;
nonposted-mmio;
+ i2c0: i2c@235010000 {
+ compatible = "apple,t8103-i2c", "apple,i2c";
+ reg = <0x2 0x35010000 0x0 0x4000>;
+ clocks = <&clk24>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 627 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-0 = <&i2c0_pins>;
+ pinctrl-names = "default";
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+ };
+
+ i2c1: i2c@235014000 {
+ compatible = "apple,t8103-i2c", "apple,i2c";
+ reg = <0x2 0x35014000 0x0 0x4000>;
+ clocks = <&clk24>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 628 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-0 = <&i2c1_pins>;
+ pinctrl-names = "default";
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+ };
+
+ i2c2: i2c@235018000 {
+ compatible = "apple,t8103-i2c", "apple,i2c";
+ reg = <0x2 0x35018000 0x0 0x4000>;
+ clocks = <&clk24>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 629 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-0 = <&i2c2_pins>;
+ pinctrl-names = "default";
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+ status = "disabled"; /* not used in all devices */
+ };
+
+ i2c3: i2c@23501c000 {
+ compatible = "apple,t8103-i2c", "apple,i2c";
+ reg = <0x2 0x3501c000 0x0 0x4000>;
+ clocks = <&clk24>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 630 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-0 = <&i2c3_pins>;
+ pinctrl-names = "default";
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+ };
+
+ i2c4: i2c@235020000 {
+ compatible = "apple,t8103-i2c", "apple,i2c";
+ reg = <0x2 0x35020000 0x0 0x4000>;
+ clocks = <&clk24>;
+ interrupt-parent = <&aic>;
+ interrupts = <AIC_IRQ 631 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-0 = <&i2c4_pins>;
+ pinctrl-names = "default";
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+ status = "disabled"; /* only used in J293 */
+ };
+
serial0: serial@235200000 {
compatible = "apple,s5l-uart";
reg = <0x2 0x35200000 0x0 0x1000>;
@@ -153,6 +215,31 @@
<AIC_IRQ 195 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 196 IRQ_TYPE_LEVEL_HIGH>;
+ i2c0_pins: i2c0-pins {
+ pinmux = <APPLE_PINMUX(192, 1)>,
+ <APPLE_PINMUX(188, 1)>;
+ };
+
+ i2c1_pins: i2c1-pins {
+ pinmux = <APPLE_PINMUX(201, 1)>,
+ <APPLE_PINMUX(199, 1)>;
+ };
+
+ i2c2_pins: i2c2-pins {
+ pinmux = <APPLE_PINMUX(163, 1)>,
+ <APPLE_PINMUX(162, 1)>;
+ };
+
+ i2c3_pins: i2c3-pins {
+ pinmux = <APPLE_PINMUX(73, 1)>,
+ <APPLE_PINMUX(72, 1)>;
+ };
+
+ i2c4_pins: i2c4-pins {
+ pinmux = <APPLE_PINMUX(135, 1)>,
+ <APPLE_PINMUX(134, 1)>;
+ };
+
pcie_pins: pcie-pins {
pinmux = <APPLE_PINMUX(150, 1)>,
<APPLE_PINMUX(151, 1)>,