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>
diff --git a/arch/arm/dts/zynqmp-zcu216-revA.dts b/arch/arm/dts/zynqmp-zcu216-revA.dts
index 8aecb15..e0258ea 100644
--- a/arch/arm/dts/zynqmp-zcu216-revA.dts
+++ b/arch/arm/dts/zynqmp-zcu216-revA.dts
@@ -13,6 +13,7 @@
#include "zynqmp-clk-ccf.dtsi"
#include <dt-bindings/input/input.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/pinctrl-zynqmp.h>
#include <dt-bindings/phy/phy.h>
/ {
@@ -232,6 +233,11 @@
&i2c0 {
status = "okay";
clock-frequency = <400000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c0_default>;
+ pinctrl-1 = <&pinctrl_i2c0_gpio>;
+ scl-gpios = <&gpio 14 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio 15 GPIO_ACTIVE_HIGH>;
tca6416_u15: gpio@20 { /* u15 */
compatible = "ti,tca6416";
@@ -393,6 +399,11 @@
&i2c1 {
status = "okay";
clock-frequency = <400000>;
+ pinctrl-names = "default", "gpio";
+ pinctrl-0 = <&pinctrl_i2c1_default>;
+ pinctrl-1 = <&pinctrl_i2c1_gpio>;
+ scl-gpios = <&gpio 16 GPIO_ACTIVE_HIGH>;
+ sda-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
i2c-mux@74 {
compatible = "nxp,pca9548"; /* u20 */
@@ -578,6 +589,63 @@
/* MSP430 */
};
+&pinctrl0 {
+ status = "okay";
+ pinctrl_i2c0_default: i2c0-default {
+ mux {
+ groups = "i2c0_3_grp";
+ function = "i2c0";
+ };
+
+ conf {
+ groups = "i2c0_3_grp";
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c0_gpio: i2c0-gpio {
+ mux {
+ groups = "gpio0_14_grp", "gpio0_15_grp";
+ function = "gpio0";
+ };
+
+ conf {
+ groups = "gpio0_14_grp", "gpio0_15_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c1_default: i2c1-default {
+ mux {
+ groups = "i2c1_4_grp";
+ function = "i2c1";
+ };
+
+ conf {
+ groups = "i2c1_4_grp";
+ bias-pull-up;
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+
+ pinctrl_i2c1_gpio: i2c1-gpio {
+ mux {
+ groups = "gpio0_16_grp", "gpio0_17_grp";
+ function = "gpio0";
+ };
+
+ conf {
+ groups = "gpio0_16_grp", "gpio0_17_grp";
+ slew-rate = <SLEW_RATE_SLOW>;
+ power-source = <IO_STANDARD_LVCMOS18>;
+ };
+ };
+};
+
&qspi {
status = "okay";
is-dual = <1>;