mux clock pins for the dac as gpios (nxp-imx#12)

* dts: mt-connect: add gpio line names

* dts: mt-connect: remove sai3 and mux its gpios in gpio blocks

Author: smorris-witekio

arch/arm64/boot/dts/freescale/mt-connect.dts

@@ -300,13 +300,17 @@
 };
 
 &gpio4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio4>;
 	gpio-line-names = "", "", "BRIDGE_RXD0", "BRIDGE_RXD1", "S_BRIDGE_RXD2", "S_BRIDGE_RXD3", "", "",
 		"", "", "BRIDGE_LRCLK", "BRIDGE_BCLK", "BRIDGE_TXD0", "BRIDGE_TXD1", "S_BRIDGE_TXD2", "S_BRIDGE_TXD3",
 		"", "", "", "", "", "", "", "",
 		"", "", "", "", "HP_DAC_PDN_N", "SPI2_INT", "HP_DAC_I2CFIL", "DPM_HP_DAC_LRCK";
 };
 
 &gpio5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio5>;
 	gpio-line-names = "DPM_HP_DAC_BCLK", "DPM_HP_DAC_SD", "DPM_HP_DAC_MCLK", "", "", "PWM_MEMBRANE", "", "",
 		"", "", "SPI2_SCK", "SPI2_MOSI", "SPI2_MISO", "SPI2_NSS", "", "",
 		"DPM_I2C2_SCL", "DPM_I2C2_SDA", "", "", "DPM_I2C4_SCL", "DPM_I2C4_SDA", "", "",
@@ -323,15 +327,6 @@
 	status = "okay";
 };
 
-&sai3 {
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_sai3>;
-	assigned-clocks = <&clk IMX8MM_CLK_SAI3>;
-	assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
-	assigned-clock-rates = <24576000>;
-	status = "okay";
-};
-
 &snvs_pwrkey {
 	status = "okay";
 };
@@ -528,14 +523,19 @@
 		>;
 	};
 
-	pinctrl_sai3: sai3grp {
+	pinctrl_gpio4: gpio4grp {
 		fsl,pins = <
-		MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC		0xd6
-		MX8MM_IOMUXC_SAI3_TXC_SAI3_TX_BCLK		0xd6
-		MX8MM_IOMUXC_SAI3_MCLK_SAI3_MCLK		0xd6
-		MX8MM_IOMUXC_SAI3_TXD_SAI3_TX_DATA0		0xd6
 		MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28		0x06 /* HP_DAC_PDN */
 		MX8MM_IOMUXC_SAI3_RXD_GPIO4_IO30		0x06 /* HP_DAC_I2C_FIL */
+		MX8MM_IOMUXC_SAI3_TXFS_GPIO4_IO31		0x26 /* DPM_HP_DAC_LRCK */
+		>;
+	};
+
+	pinctrl_gpio5: gpio5grp {
+		fsl,pins = <
+		MX8MM_IOMUXC_SAI3_TXC_GPIO5_IO0			0x26 /* DANTE_OSC_BICK */
+		MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2		0x26 /* DANTE_OSC_MCLK */
+		MX8MM_IOMUXC_SAI3_TXD_GPIO5_IO1			0x06 /* DPM_HP_DAC_SD */
 		>;
 	};