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From:   Andrey Skvortsov <andrej.skvortzov@gmail.com>
To:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Chen-Yu Tsai <wens@csie.org>,
        Jernej Skrabec <jernej.skrabec@gmail.com>,
        Samuel Holland <samuel@sholland.org>,
        Kees Cook <keescook@chromium.org>,
        Tony Luck <tony.luck@intel.com>,
        "Guilherme G. Piccoli" <gpiccoli@igalia.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
        linux-hardening@vger.kernel.org,
        Jarrah Gosbell <kernel@undef.tools>,
        Arnaud Ferraris <arnaud.ferraris@collabora.com>
Cc:     Andrey Skvortsov <andrej.skvortzov@gmail.com>
Subject: [PATCH] arm64: dts: pinephone: Add pstore support for PinePhone A64
Date:   Tue, 25 Jul 2023 00:34:57 +0300
Message-Id: <20230724213457.24593-1-andrej.skvortzov@gmail.com>
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This patch reserves some memory in the DTS and sets up a
pstore device tree node to enable pstore support.

Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>

Gbp-Pq: Topic pinephone
Gbp-Pq: Name 0161-arm64-dts-pinephone-Add-pstore-support-for-PinePhone.patch
---
 .../boot/dts/allwinner/sun50i-a64-pinephone.dtsi | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 87847116ab6d..84f9410b0b70 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -19,6 +19,22 @@ aliases {
 		serial0 = &uart0;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		pstore_mem: ramoops@61000000 {
+			compatible = "ramoops";
+			reg = <0x61000000 0x100000>;
+			record-size = <0x20000>;
+			console-size = <0x20000>;
+			ftrace-size = <0x20000>;
+			pmsg-size = <0x20000>;
+			ecc-size = <16>;
+		};
+	};
+
 	backlight: backlight {
 		compatible = "pwm-backlight";
 		pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
-- 
2.39.2