[PATCH v2 1/3] arm64: dts: cix: add a compatible string for the cix sky1 SoC

Jun Guo
2025-10-27T08:43:13Z

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@cixtech.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@4080000 {
};

spi0: spi@4090000 {
- 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@4090000 {
};

spi1: spi@40a0000 {
- 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