diff mbox series

[3/6] ARM: dts: omap2420-n810: Add Tahvo/Betty LEDPWM and Vcore bindings

Message ID 20211224215635.1585808-3-peter.vasil@gmail.com (mailing list archive)
State New, archived
Headers show
Series OMAP2: Nokia N810: prepare tahvo cells for display | expand

Commit Message

Peter Vasil Dec. 24, 2021, 9:56 p.m. UTC 
From: Peter Vasil <peter.vasil@gmail.com>

Nokia Tahvo/Betty ASIC provides PWM output for LED control and voltage
regulator for adjustable Vcore output.
These are both used on N8x0 devices for display control; LEDPWM for
backlight and Vcore for framebuffer IC power.
---
 arch/arm/boot/dts/omap2420-n810.dts         | 13 +++++++++++++
 arch/arm/boot/dts/omap2420-n8x0-common.dtsi |  8 +++++++-
 2 files changed, 20 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/omap2420-n810.dts b/arch/arm/boot/dts/omap2420-n810.dts
index 09c1dbc0bb69..30f9f9e1a377 100644
--- a/arch/arm/boot/dts/omap2420-n810.dts
+++ b/arch/arm/boot/dts/omap2420-n810.dts
@@ -22,6 +22,19 @@  v28_aic: v28_aic {
 	};
 };
 
+&tahvo {
+	tahvo_ledpwm: tahvo_ledpwm {
+		compatible = "nokia,tahvo-ledpwm";
+	};
+	tahvo_vcore: tahvo_vcore {
+		compatible = "nokia,tahvo-vcore-regulator";
+		regulator-name = "tornado_vcore";
+		regulator-min-microvolt = <1005000>;
+		regulator-max-microvolt = <1475000>;
+		regulator-always-on;
+	};
+};
+
 &omap2420_pmx {
 	mcbsp2_pins: mcbsp2_pins {
 		pinctrl-single,pins = <
diff --git a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
index 63b0b4921e4e..88d44f5a5f63 100644
--- a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
+++ b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
@@ -22,9 +22,15 @@  &gpio3 0 GPIO_ACTIVE_HIGH /* gpio64 sel */
 			#size-cells = <0>;
 			retu: retu@1 {
 				compatible = "nokia,retu";
+				reg = <0x1>;
 				interrupt-parent = <&gpio4>;
 				interrupts = <12 IRQ_TYPE_EDGE_RISING>;
-				reg = <0x1>;
+			};
+			tahvo: tahvo@2 {
+				compatible = "nokia,tahvo";
+				reg = <0x2>;
+				interrupt-parent = <&gpio4>;
+				interrupts = <15 IRQ_TYPE_EDGE_RISING>;
 			};
 		};
 	};