linux-kernel - [PATCH V2 2/9] arm64: tegra: Add PWM controller on Tegra186 soc

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Date:   Wed, 21 Mar 2018 10:10:37 +0530
From:   Rajkumar Rampelli <rrajk@...dia.com>
To:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <thierry.reding@...il.com>, <jonathanh@...dia.com>,
        <jdelvare@...e.com>, <linux@...ck-us.net>, <corbet@....net>,
        <catalin.marinas@....com>, <will.deacon@....com>,
        <kstewart@...uxfoundation.org>, <gregkh@...uxfoundation.org>,
        <pombredanne@...b.com>, <mmaddireddy@...dia.com>,
        <mperttunen@...dia.com>, <arnd@...db.de>, <timur@...eaurora.org>,
        <andy.gross@...aro.org>, <xuwei5@...ilicon.com>,
        <elder@...aro.org>, <heiko@...ech.de>, <krzk@...nel.org>,
        <ard.biesheuvel@...aro.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-pwm@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-hwmon@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <ldewangan@...dia.com>,
        <rrajk@...dia.com>
Subject: [PATCH V2 2/9] arm64: tegra: Add PWM controller on Tegra186 soc

The NVIDIA Tegra186 SoC has a PWM controller which is
used in FAN control use case.

Signed-off-by: Rajkumar Rampelli <rrajk@...dia.com>
---

V2: no changes in this patch

 arch/arm64/boot/dts/nvidia/tegra186.dtsi | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index b762227..731cd01 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -1031,4 +1031,15 @@
 				(GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
 		interrupt-parent = <&gic>;
 	};
+
+	pwm@...0000 {
+		compatible = "nvidia,tegra186-pwm";
+		reg = <0x0 0xc340000 0x0 0x10000>;
+		clocks = <&bpmp TEGRA186_CLK_PWM4>;
+		clock-names = "pwm";
+		#pwm-cells = <2>;
+		resets = <&bpmp TEGRA186_RESET_PWM4>;
+		reset-names = "pwm";
+		status = "disabled";
+	};
 };
-- 
2.1.4