From: Janne Grunau <j@jannau.net>
Date: Tue, 3 Dec 2024 07:57:59 +0000 (+0100)
Subject: arm64: dts: apple: t8112: Add spi controller nodes
X-Git-Tag: v6.15-rc1~159^2~34^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0a6d561c7e46bf46b886af209e8ebedb6d500680;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: apple: t8112: Add spi controller nodes

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-v2-3-cd68bfaf0c84@jannau.net
Signed-off-by: Sven Peter <sven@svenpeter.dev>
---

diff --git a/arch/arm64/boot/dts/apple/t8112.dtsi b/arch/arm64/boot/dts/apple/t8112.dtsi
index 1666e6ab250bc..58d88f1ef92a3 100644
--- a/arch/arm64/boot/dts/apple/t8112.dtsi
+++ b/arch/arm64/boot/dts/apple/t8112.dtsi
@@ -349,6 +349,13 @@
 		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.
@@ -467,6 +474,34 @@
 			status = "disabled";
 		};
 
+		spi1: spi@235104000 {
+			compatible = "apple,t8112-spi", "apple,spi";
+			reg = <0x2 0x35104000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 749 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_200m>;
+			pinctrl-0 = <&spi1_pins>;
+			pinctrl-names = "default";
+			power-domains = <&ps_spi1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
+		spi3: spi@23510c000 {
+			compatible = "apple,t8112-spi", "apple,spi";
+			reg = <0x2 0x3510c000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 751 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clkref>;
+			pinctrl-0 = <&spi3_pins>;
+			pinctrl-names = "default";
+			power-domains = <&ps_spi3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		serial0: serial@235200000 {
 			compatible = "apple,s5l-uart";
 			reg = <0x2 0x35200000 0x0 0x1000>;
@@ -626,13 +661,20 @@
 					 <APPLE_PINMUX(130, 1)>;
 			};
 
-			spi3_pins: spi3-pins {
+			spi1_pins: spi1-pins {
 				pinmux = <APPLE_PINMUX(46, 1)>,
 					<APPLE_PINMUX(47, 1)>,
 					<APPLE_PINMUX(48, 1)>,
 					<APPLE_PINMUX(49, 1)>;
 			};
 
+			spi3_pins: spi3-pins {
+				pinmux = <APPLE_PINMUX(93, 1)>,
+					<APPLE_PINMUX(94, 1)>,
+					<APPLE_PINMUX(95, 1)>,
+					<APPLE_PINMUX(96, 1)>;
+			};
+
 			pcie_pins: pcie-pins {
 				pinmux = <APPLE_PINMUX(162, 1)>,
 					 <APPLE_PINMUX(163, 1)>,