linux-kernel - [PATCH 3/4] arm64: dts: exynos: gs101: add ACPM protocol node

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Message-ID: <20241205180200.203146-4-tudor.ambarus@linaro.org>
Date: Thu,  5 Dec 2024 18:01:59 +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 3/4] arm64: dts: exynos: gs101: add ACPM protocol node

Add the ACPM protocol node. ACPM protocol provides interface for all
the client drivers making use of the features offered by the
Active Power Management (APM) module.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 arch/arm64/boot/dts/exynos/google/gs101.dtsi | 23 ++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
index 0970f6fc1ef5..ed9815194f65 100644
--- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
+++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
@@ -277,6 +277,29 @@ apm_sram: sram@...9000 {
 		ranges = <0x0 0x0 0x2039000 0x40000>;
 	};
 
+	firmware {
+		acpm_ipc: acpm_ipc {
+			compatible = "google,gs101-acpm-ipc";
+			mboxes = <&ap2apm_mailbox 0
+				  &ap2apm_mailbox 1
+				  &ap2apm_mailbox 2
+				  &ap2apm_mailbox 3
+				  &ap2apm_mailbox 4
+				  &ap2apm_mailbox 5
+				  &ap2apm_mailbox 6
+				  &ap2apm_mailbox 7
+				  &ap2apm_mailbox 8
+				  &ap2apm_mailbox 9
+				  &ap2apm_mailbox 10
+				  &ap2apm_mailbox 11
+				  &ap2apm_mailbox 12
+				  &ap2apm_mailbox 13
+				  &ap2apm_mailbox 14>;
+			shmem = <&apm_sram>;
+			initdata-base = <0xa000>;
+		};
+	};
+
 	soc: soc@0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.47.0.338.g60cca15819-goog