Add device tree nodes and pinmux for hdq/1wire on
am43x epos evm.
Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx>
---
arch/arm/boot/dts/am4372.dtsi | 10 ++++++++++
arch/arm/boot/dts/am43x-epos-evm.dts | 12 ++++++++++++
2 files changed, 22 insertions(+)
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 36d523a..5f7c167 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -735,6 +735,16 @@
#size-cells = <1>;
status = "disabled";
};
+
+ hdq: hdq@48347000 {
+ compatible = "ti,am43xx-hdq";
+ reg = <0x48347000 0x1000>;
+ interrupts = <GIC_SPI 139 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&func_12m_clk>;
+ clock-names = "fck";
+ ti,hwmods = "hdq1w";
+ status = "disabled";
+ };
};
};
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 167dbc8..e71ef1c 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -138,6 +138,12 @@
0x160 (PIN_INPUT | MUX_MODE7) /* spi0_cs1.gpio0_6 */
>;
};
+
+ hdq_pins: pinmux_hdq_pins {
+ pinctrl-single,pins = <
+ 0x234 (PIN_INPUT_PULLUP | MUX_MODE1) /* cam1_wen.hdq_gpio */
+ >;
+ };
};
matrix_keypad: matrix_keypad@0 {
@@ -367,3 +373,9 @@
pinctrl-0 = <&spi1_pins>;
status = "okay";
};
+
+&hdq {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&hdq_pins>;
+};
--
1.7.9.5
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