Hi Fabio,
-----Fabio Estevam <festevam@xxxxxxxxx> schrieb: -----
>An: shawnguo@xxxxxxxxxx
>Von: Fabio Estevam <festevam@xxxxxxxxx>
>Datum: 27.03.2020 14:36
>Kopie: kernel@xxxxxxxxxxxxxx, c.hemp@xxxxxxxxx,
>s.riedmueller@xxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Fabio
>Estevam <festevam@xxxxxxxxx>, stable@xxxxxxxxxxxxxxx
>Betreff: [PATCH] ARM: dts: imx27-phytec-phycard-s-rdk: Fix the I2C1
>pinctrl entries
>
>The I2C2 pins are already used and the following errors are seen:
>
>imx27-pinctrl 10015000.iomuxc: pin MX27_PAD_I2C2_SDA already
>requested by 10012000.i2c; cannot claim for 1001d000.i2c
>imx27-pinctrl 10015000.iomuxc: pin-69 (1001d000.i2c) status -22
>imx27-pinctrl 10015000.iomuxc: could not request pin 69
>(MX27_PAD_I2C2_SDA) from group i2c2grp on device 10015000.iomuxc
>imx-i2c 1001d000.i2c: Error applying setting, reverse things back
>imx-i2c: probe of 1001d000.i2c failed with error -22
>
>Fix it by adding the correct I2C1 IOMUX entries for the pinctrl_i2c1
>group.
>
>Cc: <stable@xxxxxxxxxxxxxxx>
>Fixes: 61664d0b432a ("ARM: dts: imx27 phyCARD-S pinctrl")
>Signed-off-by: Fabio Estevam <festevam@xxxxxxxxx>
>---
> arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
>b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
>index 0cd75dadf292..188639738dc3 100644
>--- a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
>+++ b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
>@@ -75,8 +75,8 @@
> imx27-phycard-s-rdk {
> pinctrl_i2c1: i2c1grp {
> fsl,pins = <
>- MX27_PAD_I2C2_SDA__I2C2_SDA 0x0
>- MX27_PAD_I2C2_SCL__I2C2_SCL 0x0
>+ MX27_PAD_I2C_DATA__I2C_DATA 0x0
>+ MX27_PAD_I2C_CLK__I2C_CLK 0x0
> >;
> };
>
>--
Reviewed-by: Stefan Riedmueller <s.riedmueller@xxxxxxxxx>
>2.17.1
>
>
