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charset="us-ascii"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01.10.20 14:34, Schrempf Frieder wrote: > From: Frieder Schrempf > > In order to use ultra high speed modes (UHS) on the SD card slot, we > add matching pinctrls and fix the voltage switching for LDO5 of the > PMIC, by providing the SD_VSEL pin as GPIO to the PMIC driver. > > Signed-off-by: Frieder Schrempf Sorry, forgot to mention that this depends on the board support patch: https://patchwork.kernel.org/patch/11811347/ > --- > .../dts/freescale/imx8mm-kontron-n801x-s.dts | 27 +++++++++++++++++++ > .../freescale/imx8mm-kontron-n801x-som.dtsi | 2 ++ > 2 files changed, 29 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts > index 389e735b2880..6913aefa56aa 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts > +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts > @@ -190,8 +190,11 @@ > }; > > &usdhc2 { > + pinctrl-names = "default", "state_100mhz", "state_200mhz"; > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_usdhc2>; > + pinctrl-1 = <&pinctrl_usdhc2_100mhz>; > + pinctrl-2 = <&pinctrl_usdhc2_200mhz>; > vmmc-supply = <®_vdd_3v3>; > vqmmc-supply = <®_nvcc_sd>; > cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; > @@ -320,4 +323,28 @@ > MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x019 > >; > }; > + > + pinctrl_usdhc2_100mhz: usdhc2grp100mhz { > + fsl,pins = < > + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x194 > + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d4 > + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d4 > + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d4 > + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d4 > + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d4 > + MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x019 > + >; > + }; > + > + pinctrl_usdhc2_200mhz: usdhc2grp200mhz { > + fsl,pins = < > + MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x196 > + MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x1d6 > + MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x1d6 > + MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x1d6 > + MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x1d6 > + MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x1d6 > + MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x019 > + >; > + }; > }; > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > index 5c6a660f4395..282a56fb3949 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi > @@ -85,6 +85,7 @@ > pinctrl-0 = <&pinctrl_pmic>; > interrupt-parent = <&gpio1>; > interrupts = <0 GPIO_ACTIVE_LOW>; > + sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; > > regulators { > reg_vdd_soc: BUCK1 { > @@ -224,6 +225,7 @@ > pinctrl_pmic: pmicgrp { > fsl,pins = < > MX8MM_IOMUXC_GPIO1_IO00_GPIO1_IO0 0x41 > + MX8MM_IOMUXC_GPIO1_IO04_GPIO1_IO4 0x41 > >; > }; > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel