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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Oct 16, 2019 at 10:14:23AM +0800, Anson Huang wrote: > usdhc's clock rate is different according to different devices > connected, so clock rate assignment should be placed in board > DT according to different devices connected on each usdhc port. I think it should be fine that we have a reasonable default settings in soc.dtsi, and boards that need a different setup can overwrite the settings in board.dts. Shawn > > Signed-off-by: Anson Huang > --- > arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts | 4 ++++ > arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 4 ++++ > arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 6 ------ > 3 files changed, 8 insertions(+), 6 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts b/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts > index 91eef97..a3f8cf1 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts > +++ b/arch/arm64/boot/dts/freescale/imx8qxp-ai_ml.dts > @@ -133,6 +133,8 @@ > &usdhc1 { > #address-cells = <1>; > #size-cells = <0>; > + assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>; > + assigned-clock-rates = <200000000>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usdhc1>; > bus-width = <4>; > @@ -149,6 +151,8 @@ > > /* SD */ > &usdhc2 { > + assigned-clocks = <&clk IMX_CONN_SDHC1_CLK>; > + assigned-clock-rates = <200000000>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usdhc2>; > bus-width = <4>; > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts > index 88dd9132..d3d26cc 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts > +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts > @@ -137,6 +137,8 @@ > }; > > &usdhc1 { > + assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>; > + assigned-clock-rates = <200000000>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usdhc1>; > bus-width = <8>; > @@ -147,6 +149,8 @@ > }; > > &usdhc2 { > + assigned-clocks = <&clk IMX_CONN_SDHC1_CLK>; > + assigned-clock-rates = <200000000>; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usdhc2>; > bus-width = <4>; > diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > index 2d69f1a..9646a41 100644 > --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi > @@ -368,8 +368,6 @@ > <&conn_lpcg IMX_CONN_LPCG_SDHC0_PER_CLK>, > <&conn_lpcg IMX_CONN_LPCG_SDHC0_HCLK>; > clock-names = "ipg", "per", "ahb"; > - assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>; > - assigned-clock-rates = <200000000>; > power-domains = <&pd IMX_SC_R_SDHC_0>; > status = "disabled"; > }; > @@ -383,8 +381,6 @@ > <&conn_lpcg IMX_CONN_LPCG_SDHC1_PER_CLK>, > <&conn_lpcg IMX_CONN_LPCG_SDHC1_HCLK>; > clock-names = "ipg", "per", "ahb"; > - assigned-clocks = <&clk IMX_CONN_SDHC1_CLK>; > - assigned-clock-rates = <200000000>; > power-domains = <&pd IMX_SC_R_SDHC_1>; > fsl,tuning-start-tap = <20>; > fsl,tuning-step= <2>; > @@ -400,8 +396,6 @@ > <&conn_lpcg IMX_CONN_LPCG_SDHC2_PER_CLK>, > <&conn_lpcg IMX_CONN_LPCG_SDHC2_HCLK>; > clock-names = "ipg", "per", "ahb"; > - assigned-clocks = <&clk IMX_CONN_SDHC2_CLK>; > - assigned-clock-rates = <200000000>; > power-domains = <&pd IMX_SC_R_SDHC_2>; > status = "disabled"; > }; > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel