From patchwork Mon Jul 17 06:33:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jaewon Kim X-Patchwork-Id: 13316400 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mailout1.samsung.com ([203.254.224.24]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qLHsZ-003DgU-1w for linux-arm-kernel@lists.infradead.org; Mon, 17 Jul 2023 06:38:45 +0000 Received: from epcas2p1.samsung.com (unknown [182.195.41.53]) by mailout1.samsung.com (KnoxPortal) with ESMTP id 20230717063838epoutp01d0a863b90a495bea4da068865e2de72b~ylFiYzsv00506705067epoutp01a for ; Mon, 17 Jul 2023 06:38:38 +0000 (GMT) From: Jaewon Kim Subject: [PATCH v3] arm64: dts: exynos: add pwm node for exynosautov9-sadk Date: Mon, 17 Jul 2023 15:33:19 +0900 Message-Id: <20230717063319.19974-1-jaewon02.kim@samsung.com> References: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+lwn-linux-arm-kernel=archive.lwn.net@lists.infradead.org List-Archive: To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, Jaewon Kim Add pwm node to support fan on exynosautov9-sadk board. PWM channel 3 of ExynosAutov9 is connected to fan for SoC cooling in SADK board. Signed-off-by: Jaewon Kim --- Changes in v3: - removed adding compatible to driver. Changes in v2: - add compatible string to driver. --- arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts | 6 ++++++ arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 10 ++++++++++ 2 files changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts index 898c2fc345ed..e717bb1cad81 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts @@ -50,6 +50,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm_tout3>; + status = "okay"; +}; + &serial_0 { pinctrl-0 = <&uart0_bus_dual>; status = "okay"; diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi index d3c5cdeff47f..3b906f4db907 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi @@ -1560,6 +1560,16 @@ samsung,syscon-phandle = <&pmu_system_controller>; samsung,cluster-index = <1>; }; + + pwm: pwm@103f0000 { + compatible = "samsung,exynosautov9-pwm", + "samsung,exynos4210-pwm"; + reg = <0x103f0000 0x100>; + samsung,pwm-outputs = <0>, <1>, <2>, <3>; + #pwm-cells = <3>; + clocks = <&xtcxo>; + clock-names = "timers"; + }; }; };