On Tue, Dec 22, 2015 at 05:42:01PM -0500, Akshay Bhat wrote:
> >>+&iomuxc {
> >
> >Suggest to put the iomuxc node at the bottom of the dts to make the read
> >of this file a bit easier.
> >
> Will fix it
>
> >>+ pinctrl-names = "default";
> >>+ pinctrl-0 = <&pinctrl_hog>;
> >>+
> >>+ imx6q-ba16 {
> >
> >With commit 5fcdf6a7ed95 (pinctrl: imx: Allow parsing DT without function
> >nodes) in place, we can get rid of this container node to save one level
> >of indentation.
> >
>
> If i remove the imx6q-ba16 container node, then I get multiple
> errors during boot.
>
> [ 2.043594] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node ecspi1grp
> .....
> [ 2.467403] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usbotggrp
> [ 2.482394] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usbhubgrp
> .....
> [ 2.640509] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usdhc2grp
> [ 2.640889] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usdhc2grp
> [ 2.640986] sdhci-esdhc-imx: probe of 2194000.usdhc failed with error -22
> [ 2.641048] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usdhc3grp
> [ 2.641301] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usdhc3grp
> [ 2.641385] sdhci-esdhc-imx: probe of 2198000.usdhc failed with error -22
> [ 2.641446] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usdhc4grp
> [ 2.641688] imx6q-pinctrl 20e0000.iomuxc: unable to find group
> for node usdhc4grp
> [ 2.641770] sdhci-esdhc-imx: probe of 219c000.usdhc failed with error -22
Sorry. I just found that to get this work on imx6q board we need to
clean up the ipu2/ipu2grp-1 group from imx6q.dtsi. I just send a patch
doing that with you on copy. Let me know if it works for you with that
change.
Shawn
>
>
> The change I did was:
>
> &iomuxc {
> pinctrl-names = "default";
> pinctrl-0 = <&pinctrl_hog>;
>
> pinctrl_audmux: audmux {
> fsl,pins = <
> MX6QDL_PAD_DISP0_DAT20__AUD4_TXC 0x130b0
> MX6QDL_PAD_DISP0_DAT21__AUD4_TXD 0x130b0
> MX6QDL_PAD_DISP0_DAT22__AUD4_TXFS 0x130b0
> MX6QDL_PAD_DISP0_DAT23__AUD4_RXD 0x130b0
> >;
> };
>
> pinctrl_display: dispgrp {
> fsl,pins = <
> /* BLEN_OUT */
> MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x1b0b0
> /* LVDS_PPEN_OUT */
> MX6QDL_PAD_EIM_D22__GPIO3_IO22 0x1b0b0
> >;
> };
>
> pinctrl_ecspi1: ecspi1grp {
> fsl,pins = <
> MX6QDL_PAD_EIM_D17__ECSPI1_MISO 0x100b1
> MX6QDL_PAD_EIM_D18__ECSPI1_MOSI 0x100b1
> MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1
> /* SPI1 CS */
> MX6QDL_PAD_EIM_EB2__GPIO2_IO30 0x1b0b0
> >;
> };
>
> ............
>
> pinctrl_wdog: wdoggrp {
> fsl,pins = <
> MX6QDL_PAD_GPIO_9__WDOG1_B 0x1b0b0
> >;
> };
> };
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