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arm64: dts: apple: t600x: Add spi controller nodes

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Apple silicon devices have one or more SPI devices. Add device tree
nodes for all known controllers. The missing ones could be guessed and
tested with a little effort but since the devices expose no pins and
no new devices are expected there is no point in spending the effort.
SPI is used for spi-nor and input devices like keyboard, trackpad,
touchscreen and fingerprint reader. Only the spi-nor flash has upstream
drivers. Support for it will be added in a following commit.

Reviewed-by: Neal Gompa <neal@gompa.dev>
Signed-off-by: Janne Grunau <j@jannau.net>
Link: https://lore.kernel.org/r/20241203-asahi-spi-dt-v2-4-cd68bfaf0c84@jannau.net
Signed-off-by: Sven Peter <sven@svenpeter.dev>
This commit is contained in:
Janne Grunau
2024-12-03 08:58:00 +01:00
committed by Sven Peter
parent 0a6d561c7e
commit d08e455a86
3 changed files with 49 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/arm64/boot/dts/apple/t600x-common.dtsi
+7
View File
@@ -362,6 +362,13 @@
clock-output-names = "clkref";
};
clk_200m: clock-200m {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <200000000>;
clock-output-names = "clk_200m";
};
/*
* This is a fabulated representation of the input clock
* to NCO since we don't know the true clock tree.
arch/arm64/boot/dts/apple/t600x-die0.dtsi
+28
View File
@@ -163,6 +163,34 @@
status = "disabled";
};
spi1: spi@39b104000 {
compatible = "apple,t6000-spi", "apple,spi";
reg = <0x3 0x9b104000 0x0 0x4000>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 0 1107 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&clk_200m>;
pinctrl-0 = <&spi1_pins>;
pinctrl-names = "default";
power-domains = <&ps_spi1>;
status = "disabled";
};
spi3: spi@39b10c000 {
compatible = "apple,t6000-spi", "apple,spi";
reg = <0x3 0x9b10c000 0x0 0x4000>;
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 0 1109 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
clocks = <&clkref>;
pinctrl-0 = <&spi3_pins>;
pinctrl-names = "default";
power-domains = <&ps_spi3>;
status = "disabled";
};
serial0: serial@39b200000 {
compatible = "apple,s5l-uart";
reg = <0x3 0x9b200000 0x0 0x1000>;
arch/arm64/boot/dts/apple/t600x-gpio-pins.dtsi
+14
View File
@@ -36,6 +36,20 @@
<APPLE_PINMUX(101, 1)>;
};
spi1_pins: spi1-pins {
pinmux = <APPLE_PINMUX(10, 1)>,
<APPLE_PINMUX(11, 1)>,
<APPLE_PINMUX(32, 1)>,
<APPLE_PINMUX(33, 1)>;
};
spi3_pins: spi3-pins {
pinmux = <APPLE_PINMUX(52, 1)>,
<APPLE_PINMUX(53, 1)>,
<APPLE_PINMUX(54, 1)>,
<APPLE_PINMUX(55, 1)>;
};
pcie_pins: pcie-pins {
pinmux = <APPLE_PINMUX(0, 1)>,
<APPLE_PINMUX(1, 1)>,