From patchwork Mon May 14 13:57:10 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heiko Stuebner X-Patchwork-Id: 10398505 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id ED075600D0 for ; Mon, 14 May 2018 13:57:53 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E08CB2912F for ; Mon, 14 May 2018 13:57:53 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D48BA29159; Mon, 14 May 2018 13:57:53 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 414482912F for ; Mon, 14 May 2018 13:57:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date: Subject:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Owner; bh=eHTgNwV9g5iuFhg1E22B1etJyR86H0q/ZfaVgSLzzM0=; b=hL0 ABGi1eILhiZilHYdDqpKomygxoXbSLg8dFzwN6C19LYNW332FLDHlvzJlmGmEQBAbOzY6NRv5w4h5 1cwrHcQbVKLj61exYWGfRgSfHO++WZj56SiknO+kv6nB2fQ3WhiR5uXYY7R9Iq9gbW2Cux13K+0/n SxE19qDAzrnzxy3tvz8o3ttB5IhXFXykcXjrrCRUiTC/oOlortjMJSfQbvgp8iNCKTsaSXpdCt0HV S+rRyK095UC3197U1SO8ZOqwpmnx46H6z7vWuo0n9XHG+rtfmve4yqm0cz6mNVGcvzSP0Ytzlum8m p+fiyJGahd9jJEwSEX2h8DGX2VjSkXQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1fIDz1-0006pw-9h; Mon, 14 May 2018 13:57:47 +0000 Received: from gloria.sntech.de ([95.129.55.99]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fIDyx-0006o3-30; Mon, 14 May 2018 13:57:44 +0000 Received: from wd0766.dip.tu-dresden.de ([141.76.110.254] helo=phil.dip.tu-dresden.de) by gloria.sntech.de with esmtpsa (TLS1.1:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1fIDyj-0007ho-5d; Mon, 14 May 2018 15:57:29 +0200 From: Heiko Stuebner To: kishon@ti.com Subject: [PATCH v3 1/2] dt-bindings: add binding for Rockchip hdmi phy using an Innosilicon IP Date: Mon, 14 May 2018 15:57:10 +0200 Message-Id: <20180514135711.19519-1-heiko@sntech.de> X-Mailer: git-send-email 2.17.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180514_065743_290101_0C81147A X-CRM114-Status: GOOD ( 15.19 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, Heiko Stuebner , linux-rockchip@lists.infradead.org, robh+dt@kernel.org, robin.murphy@arm.com, linux-arm-kernel@lists.infradead.org, zhengyang@rock-chips.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Zheng Yang The phy is used so far in two Rockchip socs the rk3228 and the rk3328. Signed-off-by: Zheng Yang Signed-off-by: Heiko Stuebner Reviewed-by: Rob Herring --- changes in v3: - describe both refclks supplied to the phy block .../bindings/phy/phy-rockchip-inno-hdmi.txt | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-inno-hdmi.txt diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-inno-hdmi.txt b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-hdmi.txt new file mode 100644 index 000000000000..710cccd5ee56 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-rockchip-inno-hdmi.txt @@ -0,0 +1,43 @@ +ROCKCHIP HDMI PHY WITH INNO IP BLOCK + +Required properties: + - compatible : should be one of the listed compatibles: + * "rockchip,rk3228-hdmi-phy", + * "rockchip,rk3328-hdmi-phy"; + - reg : Address and length of the hdmi phy control register set + - clocks : phandle + clock specifier for the phy clocks + - clock-names : string, clock name, must contain "sysclk" for system + control and register configuration, "refoclk" for crystal- + oscillator reference PLL clock input and "refpclk" for pclk- + based refeference PLL clock input. + - #clock-cells: should be 0. + - clock-output-names : shall be the name for the output clock. + - interrupts : phandle + interrupt specified for the hdmiphy interrupt + - #phy-cells : must be 0. See ./phy-bindings.txt for details. + +Optional properties for rk3328-hdmi-phy: + - nvmem-cells = phandle + nvmem specifier for the cpu-version efuse + - nvmem-cell-names : "cpu-version" to read the chip version, required + for adjustment to some frequency settings + +Example: + hdmi_phy: hdmi-phy@12030000 { + compatible = "rockchip,rk3228-hdmi-phy"; + reg = <0x12030000 0x10000>; + #phy-cells = <0>; + clocks = <&cru PCLK_HDMI_PHY>, <&xin24m>, <&cru DCLK_HDMIPHY>; + clock-names = "sysclk", "refoclk", "refpclk"; + #clock-cells = <0>; + clock-output-names = "hdmi_phy"; + status = "disabled"; + }; + +Then the PHY can be used in other nodes such as: + + hdmi: hdmi@200a0000 { + compatible = "rockchip,rk3228-dw-hdmi"; + ... + phys = <&hdmi_phy>; + phy-names = "hdmi"; + ... + };