From patchwork Mon Mar 24 10:33:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Yan X-Patchwork-Id: 14027047 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B28B6C36005 for ; Mon, 24 Mar 2025 10:39:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=41OmtsnrHNUPADbpkZNkOR0sZotBhTefiy8o6X4ZrY0=; b=TDkvgC2m8Ll2dn oSQA1g/PVq+PR5iI/jHq6t5oDJp82SyPjHusLiiI6VrPv8xzBoPQIaWf0wsaMPNZpfOKy1RSH8S5d PP/CdZYnm26beqIMwCsdetRlv41zxN/vhHMBSi82IFUK+RkXILzj1Y0STgFKTy+ijqSI26GoeMu2h 2mPdMILjIACMyaXnyvFqmhyjrHPhPOA4Lg1EEbq+nfoWsp3oR5mmZJnntIszKw2XL2p1LEaw8MxzM 8J+TjUtqv63OQ4k0GBM1FvIlEnLGmWOWcW6MACc2+2Lc4O1OIzU4EwnFgsaxOsPKoP1WfST411OH0 OaeJRtyX3hSxgcNgirEg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1twfDD-00000002qjn-0P0F; Mon, 24 Mar 2025 10:39:19 +0000 Received: from m16.mail.163.com ([220.197.31.2]) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1twf84-00000002qCX-32Om; Mon, 24 Mar 2025 10:34:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-ID:MIME-Version; bh=j+x/s crjOmcuG4u3tqntsDdabnal7byUoT1fHHBPuh8=; b=elvWNwM461rRXqkfAgtBB ppjW2/HxLzWcp1fUSO8y1uExIIoAlL4lk8VdwPK5yhsazfU3ON/fYB7n2yyMAV2p 7P356nkCF9njBeTSfxPGu9rU005zTiTxyZGAgdx/yYFenRlTExApGinSpyASf9we +QX4TlUhcwAP398vVeYM9E= Received: from ProDesk.. (unknown []) by gzsmtp3 (Coremail) with SMTP id PigvCgA3TEH9NOFnDTbjAg--.63654S3; Mon, 24 Mar 2025 18:33:38 +0800 (CST) From: Andy Yan To: heiko@sntech.de Cc: conor+dt@kernel.org, krzk+dt@kernel.org, robh@kernel.org, hjc@rock-chips.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Andy Yan Subject: [PATCH 2/2] ARM: dts: rockchip: Add ref clk for hdmi Date: Mon, 24 Mar 2025 18:33:28 +0800 Message-ID: <20250324103332.159682-2-andyshrk@163.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250324103332.159682-1-andyshrk@163.com> References: <20250324103332.159682-1-andyshrk@163.com> MIME-Version: 1.0 X-CM-TRANSID: PigvCgA3TEH9NOFnDTbjAg--.63654S3 X-Coremail-Antispam: 1Uf129KBjvdXoWrKF1xJw4kAFWfZry3tw4xWFg_yoWDGwc_t3 WIgw15GF4fGrZIq34Dtw45W39Fvw4fC393XwnYqr4UJF9aqr4UXF4kJayIyFy5GFW2gasx CFWfZF4aya1agjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IU0Wq2JUUUUU== X-Originating-IP: [58.22.7.114] X-CM-SenderInfo: 5dqg52xkunqiywtou0bp/1tbiqBkaXmfhNMYG2AAAsf X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250324_033401_084979_842FEE76 X-CRM114-Status: GOOD ( 10.04 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Andy Yan The RK3036 HDMI DDC bus requires it's PHY's reference clock to be enabled first before normal DDC communication can be carried out. Signed-off-by: Andy Yan --- arch/arm/boot/dts/rockchip/rk3036.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/rockchip/rk3036.dtsi b/arch/arm/boot/dts/rockchip/rk3036.dtsi index 6039a0908af1c..22685cd23a708 100644 --- a/arch/arm/boot/dts/rockchip/rk3036.dtsi +++ b/arch/arm/boot/dts/rockchip/rk3036.dtsi @@ -403,8 +403,8 @@ hdmi: hdmi@20034000 { compatible = "rockchip,rk3036-inno-hdmi"; reg = <0x20034000 0x4000>; interrupts = ; - clocks = <&cru PCLK_HDMI>; - clock-names = "pclk"; + clocks = <&cru PCLK_HDMI>, <&cru SCLK_LCDC>; + clock-names = "pclk", "ref"; pinctrl-names = "default"; pinctrl-0 = <&hdmi_ctl>; #sound-dai-cells = <0>;