From: Tudor Ambarus Date: Fri, 10 Oct 2025 12:46:31 +0000 (+0000) Subject: dt-bindings: firmware: google,gs101-acpm-ipc: add ACPM clocks X-Git-Tag: v6.19-rc1~100^2~30^2~10^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=83c4e3c39b2b55afe56ed0d14b93b5f219350c81;p=thirdparty%2Fkernel%2Flinux.git dt-bindings: firmware: google,gs101-acpm-ipc: add ACPM clocks The firmware exposes clocks that can be controlled via the Alive Clock and Power Manager (ACPM) interface. Make the ACPM node a clock provider by adding the mandatory "#clock-cells" property, which allows devices to reference its clock outputs. Signed-off-by: Tudor Ambarus Reviewed-by: Rob Herring (Arm) Reviewed-by: Peter Griffin Tested-by: Peter Griffin # on gs101-oriole Link: https://patch.msgid.link/20251010-acpm-clk-v6-1-321ee8826fd4@linaro.org Signed-off-by: Krzysztof Kozlowski --- diff --git a/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml b/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml index 9785aac3b5f34..d3bca6088d128 100644 --- a/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml +++ b/Documentation/devicetree/bindings/firmware/google,gs101-acpm-ipc.yaml @@ -24,6 +24,15 @@ properties: compatible: const: google,gs101-acpm-ipc + "#clock-cells": + const: 1 + 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. The argument is the ID of the + clock contained by the firmware messages. + mboxes: maxItems: 1 @@ -45,6 +54,7 @@ properties: required: - compatible + - "#clock-cells" - mboxes - shmem @@ -56,6 +66,7 @@ examples: power-management { compatible = "google,gs101-acpm-ipc"; + #clock-cells = <1>; mboxes = <&ap2apm_mailbox>; shmem = <&apm_sram>; diff --git a/include/dt-bindings/clock/google,gs101-acpm.h b/include/dt-bindings/clock/google,gs101-acpm.h new file mode 100644 index 0000000000000..e2ba89e09fa62 --- /dev/null +++ b/include/dt-bindings/clock/google,gs101-acpm.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright 2025 Linaro Ltd. + * + * Device Tree binding constants for Google gs101 ACPM clock controller. + */ + +#ifndef _DT_BINDINGS_CLOCK_GOOGLE_GS101_ACPM_H +#define _DT_BINDINGS_CLOCK_GOOGLE_GS101_ACPM_H + +#define GS101_CLK_ACPM_DVFS_MIF 0 +#define GS101_CLK_ACPM_DVFS_INT 1 +#define GS101_CLK_ACPM_DVFS_CPUCL0 2 +#define GS101_CLK_ACPM_DVFS_CPUCL1 3 +#define GS101_CLK_ACPM_DVFS_CPUCL2 4 +#define GS101_CLK_ACPM_DVFS_G3D 5 +#define GS101_CLK_ACPM_DVFS_G3DL2 6 +#define GS101_CLK_ACPM_DVFS_TPU 7 +#define GS101_CLK_ACPM_DVFS_INTCAM 8 +#define GS101_CLK_ACPM_DVFS_TNR 9 +#define GS101_CLK_ACPM_DVFS_CAM 10 +#define GS101_CLK_ACPM_DVFS_MFC 11 +#define GS101_CLK_ACPM_DVFS_DISP 12 +#define GS101_CLK_ACPM_DVFS_BO 13 + +#endif /* _DT_BINDINGS_CLOCK_GOOGLE_GS101_ACPM_H */