linux-kernel - [PATCH 3/3] arm64: dts: ti: k3-j721e-common-proc-board: add assigned clks for DSS

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Date:   Wed, 22 Apr 2020 12:15:12 +0300
From:   Tomi Valkeinen <tomi.valkeinen@...com>
To:     Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>,
        Rob Herring <robh+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Jyri Sarha <jsarha@...com>
CC:     Tomi Valkeinen <tomi.valkeinen@...com>
Subject: [PATCH 3/3] arm64: dts: ti: k3-j721e-common-proc-board: add assigned clks for DSS

The DSS related clock muxes are set via assigned-clocks in a way which
provides us:

VP0 - DisplayPort SST
VP1 - DPI0
VP2 - DSI
VP3 - DPI1

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@...com>
---
 .../dts/ti/k3-j721e-common-proc-board.dts     | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 98e5e17e3ff7..6df823aaa37c 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -472,3 +472,23 @@
 	phy-mode = "rgmii-rxid";
 	phy-handle = <&phy0>;
 };
+
+&dss {
+	/*
+	 * These clock assignments are chosen to enable the following outputs:
+	 *
+	 * VP0 - DisplayPort SST
+	 * VP1 - DPI0
+	 * VP2 - DSI
+	 * VP3 - DPI1
+	 */
+
+	assigned-clocks = <&k3_clks 152 1>,
+			  <&k3_clks 152 4>,
+			  <&k3_clks 152 9>,
+			  <&k3_clks 152 13>;
+	assigned-clock-parents = <&k3_clks 152 2>,	/* PLL16_HSDIV0 */
+				 <&k3_clks 152 6>,	/* PLL19_HSDIV0 */
+				 <&k3_clks 152 11>,	/* PLL18_HSDIV0 */
+				 <&k3_clks 152 18>;	/* PLL23_HSDIV0 */
+};
-- 
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