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From:   Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
To:     Geert Uytterhoeven <geert+renesas@glider.be>,
        Magnus Damm <magnus.damm@gmail.com>,
        Rob Herring <robh+dt@kernel.org>,
        linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org,
        Prabhakar <prabhakar.csengg@gmail.com>,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Subject: [PATCH] arm64: dts: renesas: hihope-rev4: Add a comment explaining switch SW2404 required for audio_clk_b
Date:   Thu,  5 Nov 2020 12:11:27 +0000
Message-Id: <20201105121127.11830-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
Precedence: bulk

Switch SW2404 should be at poistion 1 so that clock output from CS2000
is connected to AUDIO_CLKB_A.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Chris Paterson <Chris.Paterson2@renesas.com>
---
 arch/arm64/boot/dts/renesas/hihope-rev4.dtsi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi b/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi
index 3046c07a288b..929f4a1d3f90 100644
--- a/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi
+++ b/arch/arm64/boot/dts/renesas/hihope-rev4.dtsi
@@ -91,7 +91,11 @@
 	#clock-cells = <1>;
 	clock-frequency = <12288000 11289600>;
 
-	/* update <audio_clk_b> to <cs2000> */
+	/*
+	 * Update <audio_clk_b> to <cs2000>
+	 * Switch SW2404 should be at position 1 so that clock from
+	 * CS2000 is connected to AUDIO_CLKB_A
+	 */
 	clocks = <&cpg CPG_MOD 1005>,
 		 <&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,
 		 <&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,
-- 
2.17.1