linux-kernel - [PATCH v2 11/11] arm64: dts: r8a77965-salvator-xs: Enable DU external clocks and HDMI

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Date:   Fri, 27 Apr 2018 17:57:22 +0100
From:   Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
To:     linux-renesas-soc@...r.kernel.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
        dri-devel@...ts.freedesktop.org
Cc:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM64 PORT
        (AARCH64 ARCHITECTURE)), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 11/11] arm64: dts: r8a77965-salvator-xs: Enable DU external clocks and HDMI

The DU1 external dot clock is provided by the fixed frequency clock
generator X21, while the DU0 and DU3 clocks are provided by the
programmable Versaclock6 clock generator.

Enable the clocks, and the HDMI encoder for the M3-N Salvator-XS, and
hook it up to the HDMI connector

Based on patches from Takeshi Kihara <takeshi.kihara.df@...esas.com>

Signed-off-by: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
---
 .../boot/dts/renesas/r8a77965-salvator-xs.dts | 29 +++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a77965-salvator-xs.dts b/arch/arm64/boot/dts/renesas/r8a77965-salvator-xs.dts
index a83a00deed9e..dcf1849f1a67 100644
--- a/arch/arm64/boot/dts/renesas/r8a77965-salvator-xs.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77965-salvator-xs.dts
@@ -19,3 +19,32 @@
 		reg = <0x0 0x48000000 0x0 0x78000000>;
 	};
 };
+
+&du {
+	clocks = <&cpg CPG_MOD 724>,
+		 <&cpg CPG_MOD 723>,
+		 <&cpg CPG_MOD 721>,
+		 <&cpg CPG_MOD 727>,
+		 <&versaclock6 1>,
+		 <&x21_clk>,
+		 <&versaclock6 2>;
+	clock-names = "du.0", "du.1", "du.3", "lvds.0",
+		      "dclkin.0", "dclkin.1", "dclkin.3";
+};
+
+&hdmi0 {
+	status = "okay";
+
+	ports {
+		port@1 {
+			reg = <1>;
+			rcar_dw_hdmi0_out: endpoint {
+				remote-endpoint = <&hdmi0_con>;
+			};
+		};
+	};
+};
+
+&hdmi0_con {
+	remote-endpoint = <&rcar_dw_hdmi0_out>;
+};
-- 
2.17.0