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Message-Id: <20251031073003.3289573-4-jun.guo@cixtech.com>
Date: Fri, 31 Oct 2025 15:30:03 +0800
From: Jun Guo <jun.guo@...tech.com>
To: peter.chen@...tech.com,
fugang.duan@...tech.com,
robh@...nel.org,
krzk+dt@...nel.org,
conor+dt@...nel.org,
broonie@...nel.org
Cc: linux-spi@...r.kernel.org,
michal.simek@....com,
cix-kernel-upstream@...tech.com,
linux-arm-kernel@...ts.infradead.org,
devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Jun Guo <jun.guo@...tech.com>
Subject: [PATCH v3 3/3] arm64: dts: cix: add a compatible string for the cix sky1 SoC
The SPI IP design for the cix sky1 SoC uses a FIFO with a data width
of 32 bits, instead of the default 8 bits. Therefore, a compatible
string is added to specify the FIFO data width configuration for the
cix sky1 SoC.
Signed-off-by: Jun Guo <jun.guo@...tech.com>
---
arch/arm64/boot/dts/cix/sky1.dtsi | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/cix/sky1.dtsi b/arch/arm64/boot/dts/cix/sky1.dtsi
index d21387224e79..189b9a3be55c 100644
--- a/arch/arm64/boot/dts/cix/sky1.dtsi
+++ b/arch/arm64/boot/dts/cix/sky1.dtsi
@@ -265,7 +265,7 @@ i2c7: i2c@...0000 {
};
spi0: spi@...0000 {
- compatible = "cdns,spi-r1p6";
+ compatible = "cix,sky1-spi-r1p6", "cdns,spi-r1p6";
reg = <0x0 0x04090000 0x0 0x10000>;
clocks = <&scmi_clk CLK_TREE_FCH_SPI0_APB>,
<&scmi_clk CLK_TREE_FCH_SPI0_APB>;
@@ -275,7 +275,7 @@ spi0: spi@...0000 {
};
spi1: spi@...0000 {
- compatible = "cdns,spi-r1p6";
+ compatible = "cix,sky1-spi-r1p6", "cdns,spi-r1p6";
reg = <0x0 0x040a0000 0x0 0x10000>;
clocks = <&scmi_clk CLK_TREE_FCH_SPI1_APB>,
<&scmi_clk CLK_TREE_FCH_SPI1_APB>;
--
2.34.1
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