linux-hardening - [PATCH RESEND 5/9] arm64: dts: marvell: samsung,coreprimevelte: Add vibrator

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Message-Id: <20250913-pxa1908-dts-v1-5-8120cdc969b8@dujemihanovic.xyz>
Date: Sat, 13 Sep 2025 23:21:07 +0200
From: Duje Mihanović <dujemihanovic32@...il.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Kees Cook <kees@...nel.org>, 
 Tony Luck <tony.luck@...el.com>, 
 "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc: Karel Balej <balejk@...fyz.cz>, David Wronek <david@...nlining.org>, 
 phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org, 
 Duje Mihanović <duje@...emihanovic.xyz>
Subject: [PATCH RESEND 5/9] arm64: dts: marvell: samsung,coreprimevelte:
 Add vibrator

From: Duje Mihanović <duje@...emihanovic.xyz>

The board has a vibrator hooked up to PWM3. Add a node for it and its
associated pinctrl configuration.

Signed-off-by: Duje Mihanović <duje@...emihanovic.xyz>
---
 .../marvell/mmp/pxa1908-samsung-coreprimevelte.dts | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
index 78b7bccfc5f299889d1b9a8fd2c08554f17eb147..c28c2eadc42cc538fc5491ecdfcfbe0191004794 100644
--- a/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
+++ b/arch/arm64/boot/dts/marvell/mmp/pxa1908-samsung-coreprimevelte.dts
@@ -121,6 +121,15 @@ backlight {
 		ctrl-gpios = <&gpio 97 GPIO_ACTIVE_HIGH>;
 		max-brightness = <210>;
 	};
+
+	vibrator {
+		compatible = "pwm-vibrator";
+		pwm-names = "enable";
+		pwms = <&pwm3 100000>;
+		enable-gpios = <&gpio 20 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vibrator_pin>;
+	};
 };

 &smmu {
@@ -365,6 +374,16 @@ sdh2_fast_pins_2: sdh2-fast-pins-2 {
 		pinctrl-single,bias-pulldown = <0x8000 0xa000 0x8000 0xa000>;
 		pinctrl-single,low-power-mode = <0x288 0x388>;
 	};
+
+	vibrator_pin: vibrator-pin {
+		pinctrl-single,pins = <0x12c 0>;
+		pinctrl-single,drive-strength = <0x1000 0x1800>;
+		pinctrl-single,bias-pullup = <0x8000 0xc000 0x8000 0xc000>;
+		pinctrl-single,bias-pulldown = <0xa000 0xa000 0 0xa000>;
+		pinctrl-single,input-schmitt = <0 0x30>;
+		pinctrl-single,input-schmitt-enable = <0x40 0 0x40 0x40>;
+		pinctrl-single,low-power-mode = <0 0x388>;
+	};
 };

 &uart0 {
@@ -409,3 +428,7 @@ &sdh0 {
 	bus-width = <4>;
 	wp-inverted;
 };
+
+&pwm3 {
+	status = "okay";
+};

-- 
2.51.0