From 6cc75a081d757857a4803c1139c08837ef535c67 Mon Sep 17 00:00:00 2001 From: Max Krummenacher Date: Mon, 11 Apr 2022 17:22:31 +0200 Subject: [PATCH] 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 Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6qdl-colibri.dtsi | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl-colibri.dtsi b/arch/arm/boot/dts/imx6qdl-colibri.dtsi index 1c3c34b..c383e0e 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 -- 2.7.4