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.
Signed-off-by: Anson Huang <[email protected]> --- arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 4 ++++ arch/arm64/boot/dts/freescale/imx8mm.dtsi | 4 ---- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts index faefb71..ac91f6d 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts @@ -293,6 +293,8 @@ }; &usdhc2 { + assigned-clocks = <&clk IMX8MM_CLK_USDHC2>; + assigned-clock-rates = <200000000>; pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>; pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>; @@ -304,6 +306,8 @@ }; &usdhc3 { + assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>; + assigned-clock-rates = <400000000>; pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc3>; pinctrl-1 = <&pinctrl_usdhc3_100mhz>; diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi index 8aafad2..9258150 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi @@ -698,8 +698,6 @@ <&clk IMX8MM_CLK_NAND_USDHC_BUS>, <&clk IMX8MM_CLK_USDHC1_ROOT>; clock-names = "ipg", "ahb", "per"; - assigned-clocks = <&clk IMX8MM_CLK_USDHC1>; - assigned-clock-rates = <400000000>; fsl,tuning-start-tap = <20>; fsl,tuning-step= <2>; bus-width = <4>; @@ -728,8 +726,6 @@ <&clk IMX8MM_CLK_NAND_USDHC_BUS>, <&clk IMX8MM_CLK_USDHC3_ROOT>; clock-names = "ipg", "ahb", "per"; - assigned-clocks = <&clk IMX8MM_CLK_USDHC3_ROOT>; - assigned-clock-rates = <400000000>; fsl,tuning-start-tap = <20>; fsl,tuning-step= <2>; bus-width = <4>; -- 2.7.4
