linux-kernel - [PATCH 1/4] arm64: dts: exynos: gs101: add SRAM node

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Message-ID: <20241205180200.203146-2-tudor.ambarus@linaro.org>
Date: Thu,  5 Dec 2024 18:01:57 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	alim.akhtar@...sung.com
Cc: linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	andre.draszik@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	peter.griffin@...aro.org,
	javierm@...hat.com,
	tzimmermann@...e.de,
	daniel.lezcano@...aro.org,
	vincent.guittot@...aro.org,
	ulf.hansson@...aro.org,
	arnd@...db.de,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 1/4] arm64: dts: exynos: gs101: add SRAM node

SRAM is used by the ACPM protocol to retrieve the ACPM channels
information, which includes the TX/RX rings among other channel
configuration data. Add the SRAM node.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 302c5beb224a..1441e9a252c2 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -269,6 +269,14 @@ bldr_log_hist_reserved: bldr-log-hist-reserved@...00000 {
 		};
 	};
 
+	apm_sram: sram@...9000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0x2039000 0x40000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x0 0x2039000 0x40000>;
+	};
+
 	soc: soc@0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.47.0.338.g60cca15819-goog