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author | 2023-05-02 15:52:41 +0200 | |
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committer | 2023-05-16 13:12:52 +0200 | |
commit | e2ff42b4f1caf37ce8fca06f69e4970d6fa5ad69 (patch) | |
tree | 0c1b4d41495fc0d245202cff0283e3912b12ca5f /arch/arm | |
parent | ARM: zynq: dts: Setting default i2c clock frequency to 400kHz (diff) | |
download | linux-e2ff42b4f1caf37ce8fca06f69e4970d6fa5ad69.tar.gz linux-e2ff42b4f1caf37ce8fca06f69e4970d6fa5ad69.tar.bz2 linux-e2ff42b4f1caf37ce8fca06f69e4970d6fa5ad69.zip |
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')
-rw-r--r-- | arch/arm/boot/dts/zynq-zc702.dts | 19 |
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"; |