diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2022-03-24 18:56:49 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-04-11 04:39:13 +0300 |
| commit | 4f6b5de98560d27638dea2b43d9a97fa88b79e4b (patch) | |
| tree | d853928c8c9fb3d99353528496161d3e8c1565c8 /arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | |
| parent | f84ccff6d8f34b7b1513411bcb172e8c903fc14e (diff) | |
| download | linux-4f6b5de98560d27638dea2b43d9a97fa88b79e4b.tar.xz | |
arm64: dts: imx8mm-verdin: add sd1 sleep pinctrl
Add SD1 sleep pinctrl to avoid backfeeding during sleep.
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi index 97dd7a00d63b..eafa88d980b3 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi @@ -757,10 +757,11 @@ bus-width = <4>; cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>; disable-wp; - pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep"; pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_cd>; pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_cd>; pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_cd>; + pinctrl-3 = <&pinctrl_usdhc2_sleep>, <&pinctrl_usdhc2_cd_sleep>; vmmc-supply = <®_usdhc2_vmmc>; }; @@ -1174,6 +1175,11 @@ <MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x6>; /* SODIMM 84 */ }; + pinctrl_usdhc2_cd_sleep: usdhc2cdslpgrp { + fsl,pins = + <MX8MM_IOMUXC_SD2_CD_B_GPIO2_IO12 0x0>; /* SODIMM 84 */ + }; + pinctrl_usdhc2_pwr_en: usdhc2pwrengrp { fsl,pins = <MX8MM_IOMUXC_NAND_CLE_GPIO3_IO5 0x6>; /* SODIMM 76 */ @@ -1216,6 +1222,18 @@ <MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x96>; }; + /* Avoid backfeeding with removed card power */ + pinctrl_usdhc2_sleep: usdhc2slpgrp { + fsl,pins = + <MX8MM_IOMUXC_GPIO1_IO04_USDHC2_VSELECT 0x0>, + <MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x0>, + <MX8MM_IOMUXC_SD2_CMD_USDHC2_CMD 0x0>, + <MX8MM_IOMUXC_SD2_DATA0_USDHC2_DATA0 0x0>, + <MX8MM_IOMUXC_SD2_DATA1_USDHC2_DATA1 0x0>, + <MX8MM_IOMUXC_SD2_DATA2_USDHC2_DATA2 0x0>, + <MX8MM_IOMUXC_SD2_DATA3_USDHC2_DATA3 0x0>; + }; + /* * On-module Wi-Fi/BT or type specific SDHC interface * (e.g. on X52 extension slot of Verdin Development Board) |