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authorChirag Parekh <chiragp@xilinx.com>2023-05-02 15:52:41 +0200
committerMichal Simek <michal.simek@amd.com>2023-05-16 13:12:52 +0200
commite2ff42b4f1caf37ce8fca06f69e4970d6fa5ad69 (patch)
tree0c1b4d41495fc0d245202cff0283e3912b12ca5f /arch/arm/boot/dts/zynq-zc702.dts
parenta9d37bd427ba0c873ebeef6fbd74410669cb2c54 (diff)
ARM: zynq: dts: Add SCL & SDA GPIO entries for recovery
Wire i2c pinmuxing gpio recovery for zc702. Signed-off-by: Chirag Parekh <chiragp@xilinx.com> Signed-off-by: Michal Simek <michal.simek@amd.com> Link: https://lore.kernel.org/r/5eb73d1150648e782795e35c30fccb983b3e0db7.1683035557.git.michal.simek@amd.com
Diffstat (limited to 'arch/arm/boot/dts/zynq-zc702.dts')
-rw-r--r--arch/arm/boot/dts/zynq-zc702.dts19
1 files changed, 18 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/zynq-zc702.dts b/arch/arm/boot/dts/zynq-zc702.dts
index d23201ba8cd7..6efdbca9d3ef 100644
--- a/arch/arm/boot/dts/zynq-zc702.dts
+++ b/arch/arm/boot/dts/zynq-zc702.dts
@@ -5,6 +5,7 @@
*/
/dts-v1/;
#include "zynq-7000.dtsi"
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "Xilinx ZC702 board";
@@ -106,8 +107,11 @@
&i2c0 {
status = "okay";
clock-frequency = <400000>;
- pinctrl-names = "default";
+ pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c0_default>;
+ pinctrl-1 = <&pinctrl_i2c0_gpio>;
+ scl-gpios = <&gpio0 50 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+ sda-gpios = <&gpio0 51 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
i2c-mux@74 {
compatible = "nxp,pca9548";
@@ -298,6 +302,19 @@
};
};
+ pinctrl_i2c0_gpio: i2c0-gpio {
+ mux {
+ groups = "gpio0_50_grp", "gpio0_51_grp";
+ function = "gpio0";
+ };
+
+ conf {
+ groups = "gpio0_50_grp", "gpio0_51_grp";
+ slew-rate = <0>;
+ io-standard = <1>;
+ };
+ };
+
pinctrl_sdhci0_default: sdhci0-default {
mux {
groups = "sdio0_2_grp";