[PATCH 2/2] arm64: dts: broadcom: bcm2712-rpi-5-b: add spi0 interface

[Gregor Herburger]

The Raspberry Pi 5 routes the spi0 of the rp1 chip to the pin header.
Add the rp1_spi0 node and its pinctrl node to the devicetree to enable
the spi interface.

Signed-off-by: Gregor Herburger <gregor.herburger@xxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
index 0fc57e72632ed..81aec81c5ce12 100644
--- a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
+++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
@@ -69,6 +69,14 @@ usb_vbus_default_state: usb-vbus-default-state {
 		groups = "vbus1";
 	};
 
+	rp1_spi0_default_state: rp1-spi0-default-state {
+		function = "spi0";
+		groups = "spi0";
+		bias-disable;
+		drive-strength = <12>;
+		slew-rate = <1>;
+	};
+
 	rp1_i2c4_default_state: rp1-i2c4-default-state {
 		function = "i2c4";
 		groups = "i2c4_2";
@@ -94,6 +102,14 @@ &rp1_i2c6 {
 	pinctrl-names = "default";
 };
 
+&rp1_spi0 {
+	pinctrl-0 = <&rp1_spi0_default_state>;
+	pinctrl-names = "default";
+
+	num-cs = <2>;
+	cs-gpios = <&rp1_gpio 8 GPIO_ACTIVE_LOW &rp1_gpio 7 GPIO_ACTIVE_LOW>;
+};
+
 &rp1_usb0 {
 	pinctrl-0 = <&usb_vbus_default_state>;
 	pinctrl-names = "default";

-- 
2.47.3