linux-kernel - [PATCH mvebu v2 01/10] arm64: dts: marvell: armada-37xx: add syscon compatible to NB clk node

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Message-Id: <20210114124032.12765-2-pali@kernel.org>
Date:   Thu, 14 Jan 2021 13:40:23 +0100
From:   Pali Rohár <pali@...nel.org>
To:     Gregory Clement <gregory.clement@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org
Cc:     Marek Behún <kabel@...nel.org>,
        "Miquel Raynal" <miquel.raynal@...tlin.com>,
        "Tomasz Maciej Nowak" <tmn505@...il.com>,
        "Luka Perkov" <luka.perkov@...tura.hr>,
        "Andre Heider" <a.heider@...il.com>,
        "Vladimir Vid" <vladimir.vid@...tura.hr>,
        "Russell King" <rmk+kernel@...linux.org.uk>,
        Gérald Kerma <gerald@....net>,
        "Konstantin Porotchkin" <kostap@...vell.com>
Subject: [PATCH mvebu v2 01/10] arm64: dts: marvell: armada-37xx: add syscon compatible to NB clk node

From: Marek Behún <kabel@...nel.org>

Add "syscon" compatible to the North Bridge clocks node to allow the
cpufreq driver to access these registers via syscon API.

This is needed for a fix of cpufreq driver.

Signed-off-by: Marek Behún <kabel@...nel.org>
Fixes: e8d66e7927b2 ("arm64: dts: marvell: armada-37xx: add nodes...")
Cc: stable@...r.kernel.org
Cc: Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc: Miquel Raynal <miquel.raynal@...tlin.com>
---
 arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
index d5b6c0a1c54a..a89e47d95eef 100644
--- a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
@@ -156,7 +156,8 @@
 			};
 
 			nb_periph_clk: nb-periph-clk@...00 {
-				compatible = "marvell,armada-3700-periph-clock-nb";
+				compatible = "marvell,armada-3700-periph-clock-nb",
+					     "syscon";
 				reg = <0x13000 0x100>;
 				clocks = <&tbg 0>, <&tbg 1>, <&tbg 2>,
 				<&tbg 3>, <&xtalclk>;
-- 
2.20.1