linux-kernel - [PATCH v4 5/6] ARM: dts: Add "syscon" compatible string to chipid node

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Message-Id: <20190910123618.27985-6-s.nawrocki@samsung.com>
Date:   Tue, 10 Sep 2019 14:36:17 +0200
From:   Sylwester Nawrocki <s.nawrocki@...sung.com>
To:     krzk@...nel.org, vireshk@...nel.org
Cc:     robh+dt@...nel.org, kgene@...nel.org, devicetree@...r.kernel.org,
        linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        b.zolnierkie@...sung.com, m.szyprowski@...sung.com,
        Sylwester Nawrocki <s.nawrocki@...sung.com>
Subject: [PATCH v4 5/6] ARM: dts: Add "syscon" compatible string to chipid
 node

The CHIP ID block in addition to exact chip revision information
contains data and control registers for ASV (Adaptive Supply Voltage)
and ABB (Adaptive Body Bias). Add "syscon" compatible so the CHIPID
block can be shared by respective drivers.

Signed-off-by: Sylwester Nawrocki <s.nawrocki@...sung.com>
---
Changes since v2:
 - none

Changes since v1 (RFC):
 - new patch
---
 arch/arm/boot/dts/exynos5.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/exynos5.dtsi b/arch/arm/boot/dts/exynos5.dtsi
index 67f9b4504a42..4801ca759feb 100644
--- a/arch/arm/boot/dts/exynos5.dtsi
+++ b/arch/arm/boot/dts/exynos5.dtsi
@@ -35,8 +35,8 @@
 		#size-cells = <1>;
 		ranges;

-		chipid@...00000 {
-			compatible = "samsung,exynos4210-chipid";
+		chipid: chipid@...00000 {
+			compatible = "samsung,exynos4210-chipid", "syscon";
 			reg = <0x10000000 0x100>;
 		};

--
2.17.1