ARM: dts: imx7d-pico: Extend peripherals support

This extends the peripherals supported by the imx7d-pico.dtsi. It
adds:

 - I2C2
 - Flexcan (flexcan1 and flexcan2 ports)
 - USDHC1
 - UART (6 and 7 ports)
 - PWM (4 ports)
 - eCSPI3
Signed-off-by: NFabio Estevam <festevam@gmail.com>
Signed-off-by: NOtavio Salvador <otavio@ossystems.com.br>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx7d-pico.dtsi

@@ -78,6 +78,13 @@
 	assigned-clock-rates = <0>, <32768>;
 };
 
+&ecspi3 {
+	cs-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi3>;
+	status = "okay";
+};
+
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_enet1>;
@@ -103,6 +110,18 @@
 	};
 };
 
+&flexcan1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_can1>;
+	status = "okay";
+};
+
+&flexcan2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_can2>;
+	status = "okay";
+};
+
 &i2c1 {
 	clock-frequency = <100000>;
 	pinctrl-names = "default";
@@ -110,6 +129,12 @@
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "okay";
+};
+
 &i2c4 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c4>;
@@ -215,6 +240,29 @@
 	status = "okay";
 };
 
+
+&pwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm1>;
+	status = "okay";
+};
+
+&pwm2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm2>;
+	status = "okay";
+};
+
+&pwm3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm3>;
+	status = "okay";
+};
+
+&pwm4 { /* Backlight */
+	status = "okay";
+};
+
 &uart5 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_uart5>;
@@ -223,6 +271,24 @@
 	status = "okay";
 };
 
+&uart6 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart6>;
+	assigned-clocks = <&clks IMX7D_UART6_ROOT_SRC>;
+	assigned-clock-parents = <&clks IMX7D_OSC_24M_CLK>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&uart7 { /* Bluetooth */
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart7>;
+	assigned-clocks = <&clks IMX7D_UART7_ROOT_SRC>;
+	assigned-clock-parents = <&clks IMX7D_PLL_SYS_MAIN_240M_CLK>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
 &usbotg1 {
 	vbus-supply = <&reg_usb_otg1_vbus>;
 	status = "okay";
@@ -234,6 +300,21 @@
 	status = "okay";
 };
 
+&usdhc1 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
+	cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+	bus-width = <4>;
+	tuning-step = <2>;
+	vmmc-supply = <&reg_3p3v>;
+	wakeup-source;
+	no-1-8-v;
+	keep-power-in-suspend;
+	status = "okay";
+};
+
 &usdhc2 { /* Wifi SDIO */
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc2 &pinctrl_wifi_clk>;
@@ -268,6 +349,15 @@
 };
 
 &iomuxc {
+	pinctrl_ecspi3: ecspi3grp {
+		fsl,pins = <
+			MX7D_PAD_I2C1_SCL__ECSPI3_MISO		0x2
+			MX7D_PAD_I2C1_SDA__ECSPI3_MOSI		0x2
+			MX7D_PAD_I2C2_SCL__ECSPI3_SCLK		0x2
+			MX7D_PAD_I2C2_SDA__GPIO4_IO11		0x14
+		>;
+	};
+
 	pinctrl_i2c1: i2c1grp {
 		fsl,pins = <
 			MX7D_PAD_UART1_TX_DATA__I2C1_SDA	0x4000007f
@@ -275,6 +365,13 @@
 		>;
 	};
 
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX7D_PAD_UART2_TX_DATA__I2C2_SDA	0x4000007f
+			MX7D_PAD_UART2_RX_DATA__I2C2_SCL	0x4000007f
+		>;
+	};
+
 	pinctrl_enet1: enet1grp {
 		fsl,pins = <
 			MX7D_PAD_SD2_CD_B__ENET1_MDIO			0x3
@@ -295,6 +392,20 @@
 		>;
 	};
 
+	pinctrl_can1: can1frp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_RX_DATA__FLEXCAN1_RX	0x59
+			MX7D_PAD_SAI1_TX_BCLK__FLEXCAN1_TX	0x59
+		>;
+	};
+
+	pinctrl_can2: can2frp {
+		fsl,pins = <
+			MX7D_PAD_SAI1_TX_SYNC__FLEXCAN2_RX	0x59
+			MX7D_PAD_SAI1_TX_DATA__FLEXCAN2_TX	0x59
+		>;
+	};
+
 	pinctrl_i2c4: i2c4grp {
 		fsl,pins = <
 			MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA		0x4000007f
@@ -302,6 +413,24 @@
 		>;
 	};
 
+	pinctrl_pwm1: pwm1 {
+		fsl,pins = <
+			MX7D_PAD_GPIO1_IO08__PWM1_OUT   0x7f
+		>;
+	};
+
+	pinctrl_pwm2: pwm2 {
+		fsl,pins = <
+			MX7D_PAD_GPIO1_IO09__PWM2_OUT   0x7f
+		>;
+	};
+
+	pinctrl_pwm3: pwm3 {
+		fsl,pins = <
+			MX7D_PAD_GPIO1_IO10__PWM3_OUT   0x7f
+		>;
+	};
+
 	pinctrl_reg_wlreg_on: regregongrp {
 		fsl,pins = <
 			MX7D_PAD_ECSPI1_SCLK__GPIO4_IO16	0x59
@@ -324,12 +453,66 @@
 		>;
 	};
 
+	pinctrl_uart6: uart6grp {
+		fsl,pins = <
+			MX7D_PAD_EPDC_DATA08__UART6_DCE_RX	0x79
+			MX7D_PAD_EPDC_DATA09__UART6_DCE_TX	0x79
+			MX7D_PAD_EPDC_DATA10__UART6_DCE_RTS	0x79
+			MX7D_PAD_EPDC_DATA11__UART6_DCE_CTS	0x79
+		>;
+	};
+
+	pinctrl_uart7: uart7grp {
+		fsl,pins = <
+			MX7D_PAD_ECSPI2_MOSI__UART7_DCE_TX	0x79
+			MX7D_PAD_ECSPI2_SCLK__UART7_DCE_RX	0x79
+			MX7D_PAD_ECSPI2_SS0__UART7_DCE_CTS	0x79
+			MX7D_PAD_ECSPI2_MISO__UART7_DCE_RTS	0x79
+		>;
+	};
+
 	pinctrl_usbotg1_pwr: usbotg_pwr {
 		fsl,pins = <
 			MX7D_PAD_UART3_TX_DATA__GPIO4_IO5	0x14
 		>;
 	};
 
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX7D_PAD_SD1_CMD__SD1_CMD		0x59
+			MX7D_PAD_SD1_CLK__SD1_CLK		0x19
+			MX7D_PAD_SD1_DATA0__SD1_DATA0		0x59
+			MX7D_PAD_SD1_DATA1__SD1_DATA1		0x59
+			MX7D_PAD_SD1_DATA2__SD1_DATA2		0x59
+			MX7D_PAD_SD1_DATA3__SD1_DATA3		0x59
+			MX7D_PAD_SD1_CD_B__GPIO5_IO0		0x15
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1grp_100mhz {
+		fsl,pins = <
+			MX7D_PAD_SD1_CMD__SD1_CMD		0x5a
+			MX7D_PAD_SD1_CLK__SD1_CLK		0x1a
+			MX7D_PAD_SD1_DATA0__SD1_DATA0		0x5a
+			MX7D_PAD_SD1_DATA1__SD1_DATA1		0x5a
+			MX7D_PAD_SD1_DATA2__SD1_DATA2		0x5a
+			MX7D_PAD_SD1_DATA3__SD1_DATA3		0x5a
+			MX7D_PAD_SD1_CD_B__GPIO5_IO0		0x15
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1grp_200mhz {
+		fsl,pins = <
+			MX7D_PAD_SD1_CMD__SD1_CMD		0x5b
+			MX7D_PAD_SD1_CLK__SD1_CLK		0x1b
+			MX7D_PAD_SD1_DATA0__SD1_DATA0		0x5b
+			MX7D_PAD_SD1_DATA1__SD1_DATA1		0x5b
+			MX7D_PAD_SD1_DATA2__SD1_DATA2		0x5b
+			MX7D_PAD_SD1_DATA3__SD1_DATA3		0x5b
+			MX7D_PAD_SD1_CD_B__GPIO5_IO0		0x15
+		>;
+	};
+
 	pinctrl_usdhc2: usdhc2grp {
 		fsl,pins = <
 			MX7D_PAD_SD2_CMD__SD2_CMD		0x59