arm64: zynqmp: Add pinctrl description

ZynqMP pinctrl Linux driver has been merged to 5.13-rc1 kernel. Based on it
DT files can be extended by pinctrl configurations.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

1 files changed, 237 insertions, 1 deletions

diff --git a/arch/arm/dts/zynqmp-zcu100-revC.dts b/arch/arm/dts/zynqmp-zcu100-revC.dts
index bbcc69c796..9603043db1 100644
--- a/arch/arm/dts/zynqmp-zcu100-revC.dts
+++ b/arch/arm/dts/zynqmp-zcu100-revC.dts
@@ -15,6 +15,7 @@
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
 #include <dt-bindings/phy/phy.h>
 
 / {
@@ -185,6 +186,11 @@
 
 &i2c1 {
 	status = "okay";
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c1_default>;
+	pinctrl-1 = <&pinctrl_i2c1_gpio>;
+	scl-gpios = <&gpio 4 GPIO_ACTIVE_HIGH>;
+	sda-gpios = <&gpio 5 GPIO_ACTIVE_HIGH>;
 	clock-frequency = <100000>;
 	i2c-mux@75 { /* u11 */
 		compatible = "nxp,pca9548";
@@ -262,6 +268,221 @@
 	};
 };
 
+&pinctrl0 {
+	status = "okay";
+	pinctrl_i2c1_default: i2c1-default {
+		mux {
+			groups = "i2c1_1_grp";
+			function = "i2c1";
+		};
+
+		conf {
+			groups = "i2c1_1_grp";
+			bias-pull-up;
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+	};
+
+	pinctrl_i2c1_gpio: i2c1-gpio {
+		mux {
+			groups = "gpio0_4_grp", "gpio0_5_grp";
+			function = "gpio0";
+		};
+
+		conf {
+			groups = "gpio0_4_grp", "gpio0_5_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+	};
+
+	pinctrl_sdhci0_default: sdhci0-default {
+		mux {
+			groups = "sdio0_3_grp";
+			function = "sdio0";
+		};
+
+		conf {
+			groups = "sdio0_3_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+			bias-disable;
+		};
+
+		mux-cd {
+			groups = "sdio0_cd_0_grp";
+			function = "sdio0_cd";
+		};
+
+		conf-cd {
+			groups = "sdio0_cd_0_grp";
+			bias-high-impedance;
+			bias-pull-up;
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+	};
+
+	pinctrl_sdhci1_default: sdhci1-default {
+		mux {
+			groups = "sdio1_2_grp";
+			function = "sdio1";
+		};
+
+		conf {
+			groups = "sdio1_2_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+			bias-disable;
+		};
+	};
+
+	pinctrl_spi0_default: spi0-default {
+		mux {
+			groups = "spi0_3_grp";
+			function = "spi0";
+		};
+
+		conf {
+			groups = "spi0_3_grp";
+			bias-disable;
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+
+		mux-cs {
+			groups = "spi0_ss_9_grp";
+			function = "spi0_ss";
+		};
+
+		conf-cs {
+			groups = "spi0_ss_9_grp";
+			bias-disable;
+		};
+
+	};
+
+	pinctrl_spi1_default: spi1-default {
+		mux {
+			groups = "spi1_0_grp";
+			function = "spi1";
+		};
+
+		conf {
+			groups = "spi1_0_grp";
+			bias-disable;
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+
+		mux-cs {
+			groups = "spi1_ss_0_grp";
+			function = "spi1_ss";
+		};
+
+		conf-cs {
+			groups = "spi1_ss_0_grp";
+			bias-disable;
+		};
+
+	};
+
+	pinctrl_uart0_default: uart0-default {
+		mux {
+			groups = "uart0_0_grp";
+			function = "uart0";
+		};
+
+		conf {
+			groups = "uart0_0_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+
+		conf-rx {
+			pins = "MIO3";
+			bias-high-impedance;
+		};
+
+		conf-tx {
+			pins = "MIO2";
+			bias-disable;
+		};
+	};
+
+	pinctrl_uart1_default: uart1-default {
+		mux {
+			groups = "uart1_0_grp";
+			function = "uart1";
+		};
+
+		conf {
+			groups = "uart1_0_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+
+		conf-rx {
+			pins = "MIO1";
+			bias-high-impedance;
+		};
+
+		conf-tx {
+			pins = "MIO0";
+			bias-disable;
+		};
+	};
+
+	pinctrl_usb0_default: usb0-default {
+		mux {
+			groups = "usb0_0_grp";
+			function = "usb0";
+		};
+
+		conf {
+			groups = "usb0_0_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+
+		conf-rx {
+			pins = "MIO52", "MIO53", "MIO55";
+			bias-high-impedance;
+		};
+
+		conf-tx {
+			pins = "MIO54", "MIO56", "MIO57", "MIO58", "MIO59",
+			       "MIO60", "MIO61", "MIO62", "MIO63";
+			bias-disable;
+		};
+	};
+
+	pinctrl_usb1_default: usb1-default {
+		mux {
+			groups = "usb1_0_grp";
+			function = "usb1";
+		};
+
+		conf {
+			groups = "usb1_0_grp";
+			slew-rate = <SLEW_RATE_SLOW>;
+			power-source = <IO_STANDARD_LVCMOS18>;
+		};
+
+		conf-rx {
+			pins = "MIO64", "MIO65", "MIO67";
+			bias-high-impedance;
+		};
+
+		conf-tx {
+			pins = "MIO66", "MIO68", "MIO69", "MIO70", "MIO71",
+			       "MIO72", "MIO73", "MIO74", "MIO75";
+			bias-disable;
+		};
+	};
+};
+
 &psgtr {
 	status = "okay";
 	/* usb3, dps */
@@ -278,12 +499,16 @@
 	status = "okay";
 	no-1-8-v;
 	disable-wp;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sdhci0_default>;
 	xlnx,mio-bank = <0>;
 };
 
 &sdhci1 {
 	status = "okay";
 	bus-width = <0x4>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sdhci1_default>;
 	xlnx,mio-bank = <0>;
 	non-removable;
 	disable-wp;
@@ -304,16 +529,22 @@
 	status = "okay";
 	label = "LS-SPI0";
 	num-cs = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi0_default>;
 };
 
 &spi1 { /* High Speed connector */
 	status = "okay";
 	label = "HS-SPI1";
 	num-cs = <1>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi1_default>;
 };
 
 &uart0 {
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart0_default>;
 	bluetooth {
 		compatible = "ti,wl1831-st";
 		enable-gpios = <&gpio 8 GPIO_ACTIVE_HIGH>;
@@ -322,12 +553,15 @@
 
 &uart1 {
 	status = "okay";
-
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1_default>;
 };
 
 /* ULPI SMSC USB3320 */
 &usb0 {
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb0_default>;
 };
 
 &dwc3_0 {
@@ -339,6 +573,8 @@
 /* ULPI SMSC USB3320 */
 &usb1 {
 	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb1_default>;
 };
 
 &dwc3_1 {