linux-kernel - [PATCH v2 10/10] arm: dts: mediatek: add mt7629 pwm support

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Message-ID: <1565779497-23621-3-git-send-email-sam.shih@mediatek.com>
Date:   Wed, 14 Aug 2019 18:43:40 +0800
From:   Sam Shih <sam.shih@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Thierry Reding <thierry.reding@...il.com>
CC:     Ryder Lee <ryder.lee@...iatek.com>,
        John Crispin <john@...ozen.org>, <linux-pwm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        sam shih <sam.shih@...iatek.com>
Subject: [PATCH v2 10/10] arm: dts: mediatek: add mt7629 pwm support

From: sam shih <sam.shih@...iatek.com>

This adds pwm support for MT7629.

Signed-off-by: Sam Shih <sam.shih@...iatek.com>
---
 arch/arm/boot/dts/mt7629.dtsi | 14 ++++++++++++++
 drivers/pwm/pwm-mediatek.c    |  7 +++++++
 2 files changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/mt7629.dtsi b/arch/arm/boot/dts/mt7629.dtsi
index 9608bc2ccb3f..352df8d61788 100644
--- a/arch/arm/boot/dts/mt7629.dtsi
+++ b/arch/arm/boot/dts/mt7629.dtsi
@@ -241,6 +241,18 @@
 			status = "disabled";
 		};
 
+		pwm: pwm@...06000 {
+			compatible = "mediatek,mt7629-pwm";
+			reg = <0 0x11006000 0 0x1000>;
+			interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&topckgen CLK_TOP_PWM_SEL>,
+				 <&pericfg CLK_PERI_PWM_PD>,
+				 <&pericfg CLK_PERI_PWM1_PD>;
+			clock-names = "top", "main", "pwm1";
+			num-pwms = <1>;
+			status = "disabled";
+		};
+
 		i2c: i2c@...07000 {
 			compatible = "mediatek,mt7629-i2c",
 				     "mediatek,mt2712-i2c";
diff --git a/drivers/pwm/pwm-mediatek.c b/drivers/pwm/pwm-mediatek.c
index 922a7543a2b1..d2352ca7792e 100644
--- a/drivers/pwm/pwm-mediatek.c
+++ b/drivers/pwm/pwm-mediatek.c
@@ -327,11 +327,18 @@ static const struct pwm_mediatek_of_data mt7628_pwm_data = {
 	.has_clks = false,
 };
 
+static const struct pwm_mediatek_of_data mt7629_pwm_data = {
+	.fallback_npwms = 1,
+	.pwm45_fixup = false,
+	.has_clks = true,
+};
+
 static const struct of_device_id pwm_mediatek_of_match[] = {
 	{ .compatible = "mediatek,mt2712-pwm", .data = &mt2712_pwm_data },
 	{ .compatible = "mediatek,mt7622-pwm", .data = &mt7622_pwm_data },
 	{ .compatible = "mediatek,mt7623-pwm", .data = &mt7623_pwm_data },
 	{ .compatible = "mediatek,mt7628-pwm", .data = &mt7628_pwm_data },
+	{ .compatible = "mediatek,mt7629-pwm", .data = &mt7629_pwm_data },
 	{ },
 };
 MODULE_DEVICE_TABLE(of, pwm_mediatek_of_match);
-- 
2.17.1