[U-Boot] [PATCH v4 31/34] ARM: dts: at91: sama5d3_xplained: add onewire connector for LCD eeprom

Eugen Hristev
2018-09-18T07:35:54Z

Add onewire node in device tree for TM series LCDs

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
arch/arm/dts/at91-sama5d3_xplained.dts | 17 +++++++++++++++++
arch/arm/dts/sama5d3.dtsi | 5 +++++
2 files changed, 22 insertions(+)

diff --git a/arch/arm/dts/at91-sama5d3_xplained.dts b/arch/arm/dts/at91-sama5d3_xplained.dts
index 6959710..20fba5f 100644
--- a/arch/arm/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/dts/at91-sama5d3_xplained.dts
@@ -36,6 +36,18 @@
};
};

+ onewire_tm: onewire {
+ gpios = <&pioE 23 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";
+ };
+ };
+
ahb {
apb {
mmc0: mmc at f0000000 {
@@ -243,6 +255,11 @@
atmel,pins =
<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>; /* PE9, conflicts with A9 */
};
+
+ pinctrl_onewire_tm_default: onewire_tm_default {
+ atmel,pins =
+ <AT91_PIOE 23 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+ };
};
};
};
diff --git a/arch/arm/dts/sama5d3.dtsi b/arch/arm/dts/sama5d3.dtsi
index ba707b0..7db66c5 100644
--- a/arch/arm/dts/sama5d3.dtsi
+++ b/arch/arm/dts/sama5d3.dtsi
@@ -1534,4 +1534,9 @@
};
};
};
+
+ onewire_tm: onewire {
+ compatible = "w1-gpio";
+ status = "disabled";
+ };
};
--
2.7.4