Add onewire node in device tree for TM series LCDs
Signed-off-by: Eugen Hristev <eugen.hris...@microchip.com>
---
arch/arm/dts/at91-sama5d2_xplained.dts | 17 +++++++++++++++++
arch/arm/dts/sama5d2.dtsi | 5 +++++
2 files changed, 22 insertions(+)
diff --git a/arch/arm/dts/at91-sama5d2_xplained.dts
b/arch/arm/dts/at91-sama5d2_xplained.dts
index 01326a1..33064b3 100644
--- a/arch/arm/dts/at91-sama5d2_xplained.dts
+++ b/arch/arm/dts/at91-sama5d2_xplained.dts
@@ -11,6 +11,18 @@
stdout-path = &uart1;
};
+ onewire_tm: onewire {
+ gpios = <&pioA PIN_PB0 0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_onewire_tm_default>;
+ status = "okay";
+
+ w1_eeprom: w1_eeprom@0 {
+ compatible = "maxim,ds24b33";
+ status = "okay";
+ };
+ };
+
ahb {
usb1: ohci@00400000 {
num-ports = <3>;
@@ -270,6 +282,11 @@
pinmux = <PIN_PA31__GPIO>;
bias-disable;
};
+
+ pinctrl_onewire_tm_default:
onewire_tm_default {
+ pinmux = <PIN_PB0__GPIO>;
+ bias-pull-up;
+ };
};
};
};
diff --git a/arch/arm/dts/sama5d2.dtsi b/arch/arm/dts/sama5d2.dtsi
index 6645a55..830251a 100644
--- a/arch/arm/dts/sama5d2.dtsi
+++ b/arch/arm/dts/sama5d2.dtsi
@@ -769,4 +769,9 @@
};
};
};
+
+ onewire_tm: onewire {
+ compatible = "w1-gpio";
+ status = "disabled";
+ };
};
--
2.7.4
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