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[35.187.92.245]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3c077788df7sm3430817f8f.48.2025.08.19.04.45.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Aug 2025 04:45:53 -0700 (PDT) From: Tudor Ambarus Date: Tue, 19 Aug 2025 11:45:36 +0000 Subject: [PATCH 1/3] dt-bindings: firmware: google,gs101-acpm-ipc: add clocks node MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250819-acpm-clk-v1-1-6bbd97474671@linaro.org> References: <20250819-acpm-clk-v1-0-6bbd97474671@linaro.org> In-Reply-To: <20250819-acpm-clk-v1-0-6bbd97474671@linaro.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Peter Griffin , =?utf-8?q?Andr=C3=A9_Draszik?= , Michael Turquette , Stephen Boyd , Krzysztof Kozlowski , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, willmcvicker@google.com, kernel-team@android.com, Tudor Ambarus X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1755603952; l=2971; i=tudor.ambarus@linaro.org; s=20241212; h=from:subject:message-id; bh=RHgzxERFqXBJayCLtp1I/QWWv579hP721Hv537Vxp6E=; b=0VhemtYEBOAIemXpjyQfMxDu+WLHs0AJDariMAZ3V8vjYybaLCcOrMVRTwR064RJ8oH8Qlkro INmqzkQoG67CliO24U9NMFfvexZ3ErbbkxnpAIzvSJXbHEqDgAb42pu X-Developer-Key: i=tudor.ambarus@linaro.org; a=ed25519; pk=uQzE0NXo3dIjeowMTOPCpIiPHEz12IA/MbyzrZVh9WI= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250819_044555_833139_6FB9F2B3 X-CRM114-Status: GOOD ( 13.10 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The firmware exposes clocks that can be controlled via the ACPM interface. Describe the clocks exposed by the APM firmware. Signed-off-by: Tudor Ambarus --- .../bindings/firmware/google,gs101-acpm-ipc.yaml | 28 ++++++++++++++++++++++ include/dt-bindings/clock/google,gs101.h | 15 ++++++++++++ 2 files changed, 43 insertions(+) diff --git a/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml b/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml index 9785aac3b5f34955bbfe2718eec48581d050954f..27cdf9c881ca680e78e77a0e14ffcffeba970871 100644 --- a/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml +++ b/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml @@ -27,6 +27,29 @@ properties: mboxes: maxItems: 1 + clocks: + description: + Clocks that are variable and index based. These clocks don't provide + an entire range of values between the limits but only discrete points + within the range. The firmware also manages the voltage scaling + appropriately with the clock scaling. + type: object + additionalProperties: false + + properties: + compatible: + const: google,gs101-acpm-dvfs-clocks + + "#clock-cells": + const: 1 + description: + The argument is the ID of the clock contained by the firmware + messages. + + required: + - compatible + - "#clock-cells" + pmic: description: Child node describing the main PMIC. type: object @@ -59,6 +82,11 @@ examples: mboxes = <&ap2apm_mailbox>; shmem = <&apm_sram>; + clocks { + compatible = "google,gs101-acpm-dvfs-clocks"; + #clock-cells = <1>; + }; + pmic { compatible = "samsung,s2mpg10-pmic"; interrupts-extended = <&gpa0 6 IRQ_TYPE_LEVEL_LOW>; diff --git a/include/dt-bindings/clock/google,gs101.h b/include/dt-bindings/clock/google,gs101.h index 442f9e9037dc33198a1cee20af62fc70bbd96605..f1d0df412fdd49b300db4ba88bc0b1674cf0cdf8 100644 --- a/include/dt-bindings/clock/google,gs101.h +++ b/include/dt-bindings/clock/google,gs101.h @@ -634,4 +634,19 @@ #define CLK_GOUT_PERIC1_CLK_PERIC1_USI9_USI_CLK 45 #define CLK_GOUT_PERIC1_SYSREG_PERIC1_PCLK 46 +#define CLK_ACPM_DVFS_MIF 0 +#define CLK_ACPM_DVFS_INT 1 +#define CLK_ACPM_DVFS_CPUCL0 2 +#define CLK_ACPM_DVFS_CPUCL1 3 +#define CLK_ACPM_DVFS_CPUCL2 4 +#define CLK_ACPM_DVFS_G3D 5 +#define CLK_ACPM_DVFS_G3DL2 6 +#define CLK_ACPM_DVFS_TPU 7 +#define CLK_ACPM_DVFS_INTCAM 8 +#define CLK_ACPM_DVFS_TNR 9 +#define CLK_ACPM_DVFS_CAM 10 +#define CLK_ACPM_DVFS_MFC 11 +#define CLK_ACPM_DVFS_DISP 12 +#define CLK_ACPM_DVFS_BO 13 + #endif /* _DT_BINDINGS_CLOCK_GOOGLE_GS101_H */ -- 2.51.0.rc1.167.g924127e9c0-goog