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[RFC,v1,2/2] arm64: dts: rockchip: change fallback string rockchip, rk3308-spdif

Message ID 20200815112437.6662-2-jbx6244@gmail.com (mailing list archive)
State New, archived
Headers show
Series [RFC,v1,1/2] ASoC: rockchip-spdif: add description for rk3308 | expand

Commit Message

Johan Jonker Aug. 15, 2020, 11:24 a.m. UTC 
A test with the command below shows that the compatible string

"rockchip,rk3308-spdif", "rockchip,rk3328-spdif"

is already in use, but is not added to a document.
The current fallback string "rockchip,rk3328-spdif" points to a data
set enum RK_SPDIF_RK3366 in rockchip_spdif.c that is not used both
in the mainline as in the manufacturer kernel.
(Of the enum only RK_SPDIF_RK3288 is used.)
So if the properties don't change we might as well use the first SoC
in line as fallback string and add the description for rk3308 as:

"rockchip,rk3308-spdif", "rockchip,rk3066-spdif"

make ARCH=arm64 dtbs_check
DT_SCHEMA_FILES=Documentation/devicetree/bindings/sound/rockchip-spdif.yaml

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
---
enum rk_spdif_type {
	RK_SPDIF_RK3066,
	RK_SPDIF_RK3188,
	RK_SPDIF_RK3288,
	RK_SPDIF_RK3366,
};

static const struct of_device_id rk_spdif_match[] = {
	{ .compatible = "rockchip,rk3066-spdif",
	  .data = (void *)RK_SPDIF_RK3066 },
	{ .compatible = "rockchip,rk3188-spdif",
	  .data = (void *)RK_SPDIF_RK3188 },
	{ .compatible = "rockchip,rk3228-spdif",
	  .data = (void *)RK_SPDIF_RK3366 },
	{ .compatible = "rockchip,rk3288-spdif",
	  .data = (void *)RK_SPDIF_RK3288 },
	{ .compatible = "rockchip,rk3328-spdif",
	  .data = (void *)RK_SPDIF_RK3366 },
	{ .compatible = "rockchip,rk3366-spdif",
	  .data = (void *)RK_SPDIF_RK3366 },
	{ .compatible = "rockchip,rk3368-spdif",
	  .data = (void *)RK_SPDIF_RK3366 },
	{ .compatible = "rockchip,rk3399-spdif",
	  .data = (void *)RK_SPDIF_RK3366 },
	{},
};
---
 arch/arm64/boot/dts/rockchip/rk3308.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index e8b754d41..2560b9877 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -574,7 +574,7 @@ 
 	};
 
 	spdif_tx: spdif-tx@ff3a0000 {
-		compatible = "rockchip,rk3308-spdif", "rockchip,rk3328-spdif";
+		compatible = "rockchip,rk3308-spdif", "rockchip,rk3066-spdif";
 		reg = <0x0 0xff3a0000 0x0 0x1000>;
 		interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&cru SCLK_SPDIF_TX>, <&cru HCLK_SPDIFTX>;