[U-Boot] [PATCH v4 33/34] ARM: dts: at91: sama5d2_ptc: add onewire connector for LCD eeprom

Eugen Hristev
2018-09-18T07:35:56Z

Add onewire node in device tree for TM series LCDs

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
arch/arm/dts/at91-sama5d2_ptc_ek.dts | 17 +++++++++++++++++
1 file changed, 17 insertions(+)

diff --git a/arch/arm/dts/at91-sama5d2_ptc_ek.dts b/arch/arm/dts/at91-sama5d2_ptc_ek.dts
index ab5ab21..068a117 100644
--- a/arch/arm/dts/at91-sama5d2_ptc_ek.dts
+++ b/arch/arm/dts/at91-sama5d2_ptc_ek.dts
@@ -56,6 +56,18 @@
stdout-path = &uart0;
};

+ onewire_tm: onewire {
+ gpios = <&pioA PIN_PB31 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_onewire_tm_default>;
+ status = "okay";
+
+ w1_eeprom: w1_eeprom at 0 {
+ compatible = "maxim,ds24b33";
+ status = "okay";
+ };
+ };
+
ahb {
usb0: gadget at 00300000 {
atmel,vbus-gpio = <&pioA PIN_PA27 GPIO_ACTIVE_HIGH>;
@@ -208,6 +220,11 @@
pinmux = <PIN_PB11__GPIO>;
bias-disable;
};
+
+ pinctrl_onewire_tm_default: onewire_tm_default {
+ pinmux = <PIN_PB31__GPIO>;
+ bias-pull-up;
+ };
};
};
};
--
2.7.4