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arm64: dts: apple: t8103: Add i2c nodes

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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>
This commit is contained in:
Janne Grunau 2021-11-23 23:49:24 +01:00 committed by Hector Martin
parent 7c77ab91b3
commit 90458f6eec
3 changed files with 99 additions and 0 deletions
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4
arch/arm64/boot/dts/apple/t8103-j274.dts
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@ -39,3 +39,7 @@
local-mac-address = [00 10 18 00 00 00];
};
};
&i2c2 {
status = "okay";
};

8
arch/arm64/boot/dts/apple/t8103-j293.dts
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@ -31,3 +31,11 @@
/delete-node/ &port01;
/delete-node/ &port02;
&i2c2 {
status = "okay";
};
&i2c4 {
status = "okay";
};

87
arch/arm64/boot/dts/apple/t8103.dtsi
View File

@ -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)>,