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ARM: dts: imx6dl-colibri: Add usdhc1 sleep pin configuration

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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>
This commit is contained in:
Max Krummenacher 2022-04-11 17:22:31 +02:00 committed by Shawn Guo
parent 965f2ca42c
commit 6cc75a081d
1 changed files with 20 additions and 1 deletions
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21
arch/arm/boot/dts/imx6qdl-colibri.dtsi
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@ -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 = <&reg_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