diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2022-04-11 17:22:31 +0200 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2022-04-19 02:43:08 +0200 |
| commit | 6cc75a081d757857a4803c1139c08837ef535c67 (patch) | |
| tree | 87a3418cc3c22ac627aa787d7ca0e535eda59692 /arch/arm/boot/dts/imx6qdl-colibri.dtsi | |
| parent | ARM: dts: imx6dl-colibri: Cleanup (diff) | |
| download | linux-6cc75a081d757857a4803c1139c08837ef535c67.tar.xz linux-6cc75a081d757857a4803c1139c08837ef535c67.zip | |
ARM: dts: imx6dl-colibri: Add usdhc1 sleep pin configuration
The Toradex board Iris V2 has a SD-card slot with switchable
power.
Add a pinctrl sleep used when the card power is off to avoid
backfeeding to the card and add the "sleep" pinctrl to the
usdhc1 controller.
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6qdl-colibri.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/imx6qdl-colibri.dtsi | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index 1c3c34bbfe98..c383e0e4110c 100644 --- a/arch/arm/boot/dts/imx6qdl-colibri.dtsi +++ b/arch/arm/boot/dts/imx6qdl-colibri.dtsi @@ -680,10 +680,11 @@ bus-width = <4>; no-1-8-v; disable-wp; - pinctrl-names = "default", "state_100mhz", "state_200mhz"; + pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep"; pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_mmc_cd>; pinctrl-1 = <&pinctrl_usdhc1_100mhz &pinctrl_mmc_cd>; pinctrl-2 = <&pinctrl_usdhc1_200mhz &pinctrl_mmc_cd>; + pinctrl-3 = <&pinctrl_usdhc1_sleep &pinctrl_mmc_cd_sleep>; vmmc-supply = <®_module_3v3>; vqmmc-supply = <&vgen3_reg>; status = "disabled"; @@ -951,6 +952,12 @@ >; }; + pinctrl_mmc_cd_sleep: mmccdslpgrp { + fsl,pins = < + MX6QDL_PAD_NANDF_D5__GPIO2_IO05 0x0 + >; + }; + pinctrl_pwm1: pwm1grp { fsl,pins = < MX6QDL_PAD_GPIO_9__PWM1_OUT 0x1b0b1 @@ -1097,6 +1104,18 @@ >; }; + /* avoid backfeeding with removed card power */ + pinctrl_usdhc1_sleep: usdhc1sleepgrp { + fsl,pins = < + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x3000 + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x3000 + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x3000 + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x3000 + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x3000 + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x3000 + >; + }; + pinctrl_usdhc3: usdhc3grp { fsl,pins = < MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059 |