ARM: dts: imx7s-warp: Let the codec control MCLK pinctrl

sgtl5000 codec needs MCLK clock to be provided so that it can
successfully read/write via I2C, so we should better let the
codec control the pinctrl for such pin.

Thanks to Stefan Agner who provided the fix on Toradex's tree:
http://git.toradex.com/cgit/linux-toradex.git/commit/?h=toradex_imx_4.1.15_1.0.0_ga-next&id=0a55a7e5f58d46eef0d4d1d357d89e36d0c32fa4

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx7s-warp.dts b/arch/arm/boot/dts/imx7s-warp.dts
index 92d9c85..1ff762d 100644 (file)
--- a/arch/arm/boot/dts/imx7s-warp.dts
+++ b/arch/arm/boot/dts/imx7s-warp.dts
@@ -199,6 +199,8 @@
                reg = <0x0a>;
                compatible = "fsl,sgtl5000";
                clocks = <&clks IMX7D_AUDIO_MCLK_ROOT_CLK>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_sai1_mclk>;
                VDDA-supply = <&vgen4_reg>;
                VDDIO-supply = <&vgen4_reg>;
                VDDD-supply = <&vgen2_reg>;
@@ -291,7 +293,12 @@
                        MX7D_PAD_SAI1_TX_BCLK__SAI1_TX_BCLK     0x1f
                        MX7D_PAD_SAI1_TX_SYNC__SAI1_TX_SYNC     0x1f
                        MX7D_PAD_SAI1_TX_DATA__SAI1_TX_DATA0    0x30
-                       MX7D_PAD_SAI1_MCLK__SAI1_MCLK           0x1f
+               >;
+       };
+
+       pinctrl_sai1_mclk: sai1mclkgrp {
+               fsl,pins = <
+                       MX7D_PAD_SAI1_MCLK__SAI1_MCLK           0x1f
                >;
        };