Thread (35 messages) 35 messages, 6 authors, 2020-08-28

Re: [PATCH 21/22] arm64: dts: imx8qxp: Remove i.MX7 compatible from USDHC

From: Krzysztof Kozlowski <krzk@kernel.org>
Date: 2020-08-24 09:11:34
Also in: linux-devicetree, linux-gpio, linux-mmc, linux-pm, linux-pwm, linux-serial, linux-watchdog, lkml

On Mon, Aug 24, 2020 at 09:00:19AM +0000, Aisheng Dong wrote:
quoted
From: Krzysztof Kozlowski <krzk@kernel.org>
Sent: Monday, August 24, 2020 12:16 AM

The USDHC on i.MX 8QXP has its own compatible described in bindings and
used in the driver (with its own quirks).  Remove additional fsl,imx7d-usdhc
compatible to fix dtbs_check warnings like:

  arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dt.yaml: mmc@5b010000:
    compatible: ['fsl,imx8qxp-usdhc', 'fsl,imx7d-usdhc'] is too long
    From schema:
/ocumentation/devicetree/bindings/mmc/fsl-imx-esdhc.yaml

  arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dt.yaml: mmc@5b010000:
    compatible: Additional items are not allowed ('fsl,imx7d-usdhc' was
unexpected)

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
For Patch 19-22, I think we should fix dt binding doc.
Are you sure that these USDHC controllers are compatible with i.MX 7D?
Could they really run with fsl,imx7d-usdhc compatible?

The implementation (Linux kernel driver) is different, I guess on
purpose...

Best regards,
Krzysztof
Regards
Aisheng
quoted
---
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index 61bccb69f09e..26c4fcdfe290 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -362,7 +362,7 @@
 		};

 		usdhc1: mmc@5b010000 {
-			compatible = "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc";
+			compatible = "fsl,imx8qxp-usdhc";
 			interrupts = <GIC_SPI 232 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0x5b010000 0x10000>;
 			clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC0_IPG_CLK>, @@
-374,7 +374,7 @@
 		};

 		usdhc2: mmc@5b020000 {
-			compatible = "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc";
+			compatible = "fsl,imx8qxp-usdhc";
 			interrupts = <GIC_SPI 233 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0x5b020000 0x10000>;
 			clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC1_IPG_CLK>, @@
-388,7 +388,7 @@
 		};

 		usdhc3: mmc@5b030000 {
-			compatible = "fsl,imx8qxp-usdhc", "fsl,imx7d-usdhc";
+			compatible = "fsl,imx8qxp-usdhc";
 			interrupts = <GIC_SPI 234 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0x5b030000 0x10000>;
 			clocks = <&conn_lpcg IMX_CONN_LPCG_SDHC2_IPG_CLK>,
--
2.17.1
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