[U-Boot] [PATCH v4 34/34] ARM: dts: at91: sama5d4_xplained: add onewire connector for LCD eeprom

Eugen Hristev
2018-09-18T07:35:57Z

Add onewire node in device tree for TM series LCDs

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
arch/arm/dts/at91-sama5d4_xplained.dts | 16 ++++++++++++++++
arch/arm/dts/sama5d4.dtsi | 5 +++++
2 files changed, 21 insertions(+)

diff --git a/arch/arm/dts/at91-sama5d4_xplained.dts b/arch/arm/dts/at91-sama5d4_xplained.dts
index ea35dc2..58a0e60 100644
--- a/arch/arm/dts/at91-sama5d4_xplained.dts
+++ b/arch/arm/dts/at91-sama5d4_xplained.dts
@@ -58,6 +58,18 @@
stdout-path = &usart3;
};

+ onewire_tm: onewire {
+ gpios = <&pioE 15 GPIO_ACTIVE_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_onewire_tm_default>;
+ status = "okay";
+
+ w1_eeprom: w1_eeprom at 0 {
+ compatible = "maxim,ds24b33";
+ status = "okay";
+ };
+ };
+
memory {
reg = <0x20000000 0x20000000>;
};
@@ -199,6 +211,10 @@
atmel,pins =
<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
};
+ pinctrl_onewire_tm_default: onewire_tm_default {
+ atmel,pins =
+ <AT91_PIOE 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+ };
};
};
};
diff --git a/arch/arm/dts/sama5d4.dtsi b/arch/arm/dts/sama5d4.dtsi
index 8072b8a..8875d7b 100644
--- a/arch/arm/dts/sama5d4.dtsi
+++ b/arch/arm/dts/sama5d4.dtsi
@@ -1913,4 +1913,9 @@
};
};
};
+
+ onewire_tm: onewire {
+ compatible = "w1-gpio";
+ status = "disabled";
+ };
};
--
2.7.4