linux-kernel - [PATCH 1/2] arm64: dts: rockchip: add spi controller aliases on rk3399

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Date: Tue,  9 Jan 2024 14:35:43 +0100
From: Quentin Schulz <foss+kernel@...il.net>
To: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko@...ech.de>
Cc: Quentin Schulz <foss+kernel@...il.net>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Quentin Schulz <quentin.schulz@...obroma-systems.com>
Subject: [PATCH 1/2] arm64: dts: rockchip: add spi controller aliases on rk3399

From: Quentin Schulz <quentin.schulz@...obroma-systems.com>

There are 6 SPI controllers on RK3399 and they are all numbered in the
TRM, so let's add the appropriate aliases to the main DTSI so that any
RK3399-based board doesn't need to define the aliases themselves to
benefit from stable SPI indices in userspace.

Cc: Quentin Schulz <foss+kernel@...il.net>
Signed-off-by: Quentin Schulz <quentin.schulz@...obroma-systems.com>
---
 arch/arm64/boot/dts/rockchip/rk3399.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index da0dfb237f853..7b04ba526fd59 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -34,6 +34,12 @@ aliases {
 		serial2 = &uart2;
 		serial3 = &uart3;
 		serial4 = &uart4;
+		spi0 = &spi0;
+		spi1 = &spi1;
+		spi2 = &spi2;
+		spi3 = &spi3;
+		spi4 = &spi4;
+		spi5 = &spi5;
 	};
 
 	cpus {

-- 
2.43.0