From a398d7d2d4be66b8d28319912f0aa500c8731c9d Mon Sep 17 00:00:00 2001 From: Marcel Ziswiler Date: Fri, 8 Apr 2022 12:28:21 +0200 Subject: [PATCH] board: colibri-imx6ull: fix detecting sd card Turns out on certain carrier boards (e.g. Iris V2) and under certain circumstances (e.g. after a software reset) the SD card may have been left in a strange state which later failed as follows: Colibri iMX6ULL # mmc dev 0 Card did not respond to voltage select! : -110 Fix this as follows: - Re-name the signaling voltage rail regulator from vmmc to vqmmc. - Fix the name of the GPIO property to gpios. - Specify 4-bit bus width, no write-protect capability and no 1.8 volt signaling voltage capability. - Fix the clock vs. command pull-up vs. push-pull configuration. Signed-off-by: Marcel Ziswiler --- arch/arm/dts/imx6ull-colibri.dtsi | 21 ++++++++++++--------- 1 file changed, 12 insertions(+), 9 deletions(-) diff --git a/arch/arm/dts/imx6ull-colibri.dtsi b/arch/arm/dts/imx6ull-colibri.dtsi index 88d5e15..e9e60e8 100644 --- a/arch/arm/dts/imx6ull-colibri.dtsi +++ b/arch/arm/dts/imx6ull-colibri.dtsi @@ -41,9 +41,9 @@ regulator-max-microvolt = <5000000>; }; - reg_sd1_vmmc: regulator-sd1-vmmc { + reg_sd1_vqmmc: regulator-sd1-vqmmc { compatible = "regulator-gpio"; - gpio = <&gpio5 9 GPIO_ACTIVE_HIGH>; + gpios = <&gpio5 9 GPIO_ACTIVE_HIGH>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_snvs_reg_sd>; regulator-always-on; @@ -233,12 +233,15 @@ assigned-clocks = <&clks IMX6UL_CLK_USDHC1_SEL>, <&clks IMX6UL_CLK_USDHC1>; assigned-clock-parents = <&clks IMX6UL_CLK_PLL2_PFD2>; assigned-clock-rates = <0>, <198000000>; + bus-width = <4>; cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>; /* MMC_CD */ + disable-wp; + no-1-8-v; pinctrl-names = "default", "state_100mhz", "state_200mhz"; pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_snvs_usdhc1_cd>; pinctrl-1 = <&pinctrl_usdhc1_100mhz>; pinctrl-2 = <&pinctrl_usdhc1_200mhz>; - vmmc-supply = <®_sd1_vmmc>; + vqmmc-supply = <®_sd1_vqmmc>; status = "okay"; }; @@ -473,8 +476,8 @@ pinctrl_usdhc1: usdhc1-grp { fsl,pins = < - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x17059 - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x10059 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x10059 + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x17059 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x17059 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x17059 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x17059 @@ -484,8 +487,8 @@ pinctrl_usdhc1_100mhz: usdhc1-100mhz-grp { fsl,pins = < - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x170b9 - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x100b9 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100b9 + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170b9 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9 @@ -495,8 +498,8 @@ pinctrl_usdhc1_200mhz: usdhc1-200mhz-grp { fsl,pins = < - MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x170f9 - MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x100f9 + MX6UL_PAD_SD1_CLK__USDHC1_CLK 0x100f9 + MX6UL_PAD_SD1_CMD__USDHC1_CMD 0x170f9 MX6UL_PAD_SD1_DATA0__USDHC1_DATA0 0x170b9 MX6UL_PAD_SD1_DATA1__USDHC1_DATA1 0x170b9 MX6UL_PAD_SD1_DATA2__USDHC1_DATA2 0x170b9 -- 2.7.4