[U-Boot] [PATCH 1/9] arm: zynq: Add SCL & SDA GPIO entries for recovery
Michal Simek
michal.simek at xilinx.com
Thu Nov 2 18:50:18 UTC 2017
From: Chirag Parekh <chiragp at xilinx.com>
Wire i2c pinmuxing gpio recovery for zc702.
Signed-off-by: Chirag Parekh <chiragp at xilinx.com>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
---
arch/arm/dts/zynq-zc702.dts | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/zynq-zc702.dts b/arch/arm/dts/zynq-zc702.dts
index 2696e70a89a7..7b0c23fa5d26 100644
--- a/arch/arm/dts/zynq-zc702.dts
+++ b/arch/arm/dts/zynq-zc702.dts
@@ -107,8 +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 0>;
+ sda-gpios = <&gpio0 51 0>;
i2cswitch at 74 {
compatible = "nxp,pca9548";
@@ -299,6 +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";
--
1.9.1
More information about the U-Boot
mailing list