From patchwork Mon Sep 21 09:29:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 1368190 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=collabora.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BvzgH3Pcbz9sTv for ; Mon, 21 Sep 2020 19:30:03 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726413AbgIUJaB (ORCPT ); Mon, 21 Sep 2020 05:30:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726347AbgIUJaB (ORCPT ); Mon, 21 Sep 2020 05:30:01 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CB63C061755; Mon, 21 Sep 2020 02:30:01 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id 70B7129812F From: Enric Balletbo i Serra To: linux-kernel@vger.kernel.org Cc: dianders@chromium.org, heiko@sntech.de, Collabora Kernel ML , Caesar Wang , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Subject: [PATCH v3] dt-bindings: power: rockchip: Convert to json-schema Date: Mon, 21 Sep 2020 11:29:51 +0200 Message-Id: <20200921092951.945382-1-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Convert the soc/rockchip/power_domain.txt binding document to json-schema and move to the power bindings directory. Signed-off-by: Enric Balletbo i Serra --- Changes in v3: - Fixed tab errors found by bot Changes in v2: - Fixed a warning that says that 'syscon' should not be used alone. - Use patternProperties to define a new level for power-domains. - Add const values for power-domain-cells, address-cells, etc. .../power/rockchip,power-controller.yaml | 207 ++++++++++++++++++ .../bindings/soc/rockchip/power_domain.txt | 136 ------------ 2 files changed, 207 insertions(+), 136 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/rockchip,power-controller.yaml delete mode 100644 Documentation/devicetree/bindings/soc/rockchip/power_domain.txt diff --git a/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml new file mode 100644 index 000000000000..b23ea37e2a08 --- /dev/null +++ b/Documentation/devicetree/bindings/power/rockchip,power-controller.yaml @@ -0,0 +1,207 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/power/rockchip,power-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip Power Domains + +maintainers: + - Caesar Wang + - Heiko Stuebner + +description: | + Rockchip processors include support for multiple power domains which can be + powered up/down by software based on different application scenes to save power. + + Power domains contained within power-controller node are generic power domain + providers documented in Documentation/devicetree/bindings/power/power-domain.yaml. + + IP cores belonging to a power domain should contain a 'power-domains' + property that is a phandle for the power domain node representing the domain. + +properties: + $nodename: + const: power-controller + + compatible: + enum: + - rockchip,px30-power-controller + - rockchip,rk3036-power-controller + - rockchip,rk3066-power-controller + - rockchip,rk3128-power-controller + - rockchip,rk3188-power-controller + - rockchip,rk3228-power-controller + - rockchip,rk3288-power-controller + - rockchip,rk3328-power-controller + - rockchip,rk3366-power-controller + - rockchip,rk3368-power-controller + - rockchip,rk3399-power-controller + + '#power-domain-cells': + const: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^power-domain@[0-9]+$": + type: object + description: | + Represents the power domains within the power controller node as documented + in Documentation/devicetree/bindings/power/power-domain.yaml. + + properties: + + '#power-domain-cells': + description: + Must be 0 for nodes representing a single PM domain and 1 for nodes + providing multiple PM domains. + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + reg: + description: | + Power domain index. Valid values are defined in: + "include/dt-bindings/power/px30-power.h" - for PX30 type power domain. + "include/dt-bindings/power/rk3036-power.h" - for RK3036 type power domain. + "include/dt-bindings/power/rk3066-power.h" - for RK3066 type power domain. + "include/dt-bindings/power/rk3128-power.h" - for RK3128 type power domain. + "include/dt-bindings/power/rk3188-power.h" - for RK3188 type power domain. + "include/dt-bindings/power/rk3228-power.h" - for RK3228 type power domain. + "include/dt-bindings/power/rk3288-power.h" - for RK3288 type power domain. + "include/dt-bindings/power/rk3328-power.h" - for RK3328 type power domain. + "include/dt-bindings/power/rk3366-power.h" - for RK3366 type power domain. + "include/dt-bindings/power/rk3368-power.h" - for RK3368 type power domain. + "include/dt-bindings/power/rk3399-power.h" - for RK3399 type power domain. + maxItems: 1 + + clocks: + description: | + A number of phandles to clocks that need to be enabled while power domain + switches state. + + pm_qos: + description: | + A number of phandles to qos blocks which need to be saved and restored + while power domain switches state. + + required: + - reg + +required: + - compatible + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + qos_hdcp: qos@ffa90000 { + compatible = "rockchip,rk3399-qos","syscon"; + reg = <0x0 0xffa90000 0x0 0x20>; + }; + + qos_iep: qos@ffa98000 { + compatible = "rk3399-qos","syscon"; + reg = <0x0 0xffa98000 0x0 0x20>; + }; + + qos_rga_r: qos@ffab0000 { + compatible = "rk3399-qos","syscon"; + reg = <0x0 0xffab0000 0x0 0x20>; + }; + + qos_rga_w: qos@ffab0080 { + compatible = "rk3399-qos","syscon"; + reg = <0x0 0xffab0080 0x0 0x20>; + }; + + qos_video_m0: qos@ffab8000 { + compatible = "rk3399-qos","syscon"; + reg = <0x0 0xffab8000 0x0 0x20>; + }; + + qos_video_m1_r: qos@ffac0000 { + compatible = "rk3399-qos","syscon"; + reg = <0x0 0xffac0000 0x0 0x20>; + }; + + qos_video_m1_w: qos@ffac0080 { + compatible = "rk3399-qos","syscon"; + reg = <0x0 0xffac0080 0x0 0x20>; + }; + + power-management@ff310000 { + compatible = "rockchip,rk3399-pmu", "syscon", "simple-mfd"; + reg = <0x0 0xff310000 0x0 0x1000>; + + power-controller { + compatible = "rockchip,rk3399-power-controller"; + #power-domain-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + /* These power domains are grouped by VD_CENTER */ + power-domain@RK3399_PD_IEP { + reg = ; + clocks = <&cru ACLK_IEP>, + <&cru HCLK_IEP>; + pm_qos = <&qos_iep>; + #power-domain-cells = <0>; + }; + power-domain@RK3399_PD_RGA { + reg = ; + clocks = <&cru ACLK_RGA>, + <&cru HCLK_RGA>; + pm_qos = <&qos_rga_r>, + <&qos_rga_w>; + #power-domain-cells = <0>; + }; + power-domain@RK3399_PD_VCODEC { + reg = ; + clocks = <&cru ACLK_VCODEC>, + <&cru HCLK_VCODEC>; + pm_qos = <&qos_video_m0>; + #power-domain-cells = <0>; + }; + power-domain@RK3399_PD_VDU { + reg = ; + clocks = <&cru ACLK_VDU>, + <&cru HCLK_VDU>; + pm_qos = <&qos_video_m1_r>, + <&qos_video_m1_w>; + #power-domain-cells = <0>; + }; + power-domain@RK3399_PD_VIO { + reg = ; + #power-domain-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + power-domain@RK3399_PD_HDCP { + reg = ; + clocks = <&cru ACLK_HDCP>, + <&cru HCLK_HDCP>, + <&cru PCLK_HDCP>; + pm_qos = <&qos_hdcp>; + #power-domain-cells = <0>; + }; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt b/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt deleted file mode 100644 index 8304eceb62e4..000000000000 --- a/Documentation/devicetree/bindings/soc/rockchip/power_domain.txt +++ /dev/null @@ -1,136 +0,0 @@ -* Rockchip Power Domains - -Rockchip processors include support for multiple power domains which can be -powered up/down by software based on different application scenes to save power. - -Required properties for power domain controller: -- compatible: Should be one of the following. - "rockchip,px30-power-controller" - for PX30 SoCs. - "rockchip,rk3036-power-controller" - for RK3036 SoCs. - "rockchip,rk3066-power-controller" - for RK3066 SoCs. - "rockchip,rk3128-power-controller" - for RK3128 SoCs. - "rockchip,rk3188-power-controller" - for RK3188 SoCs. - "rockchip,rk3228-power-controller" - for RK3228 SoCs. - "rockchip,rk3288-power-controller" - for RK3288 SoCs. - "rockchip,rk3328-power-controller" - for RK3328 SoCs. - "rockchip,rk3366-power-controller" - for RK3366 SoCs. - "rockchip,rk3368-power-controller" - for RK3368 SoCs. - "rockchip,rk3399-power-controller" - for RK3399 SoCs. -- #power-domain-cells: Number of cells in a power-domain specifier. - Should be 1 for multiple PM domains. -- #address-cells: Should be 1. -- #size-cells: Should be 0. - -Required properties for power domain sub nodes: -- reg: index of the power domain, should use macros in: - "include/dt-bindings/power/px30-power.h" - for PX30 type power domain. - "include/dt-bindings/power/rk3036-power.h" - for RK3036 type power domain. - "include/dt-bindings/power/rk3066-power.h" - for RK3066 type power domain. - "include/dt-bindings/power/rk3128-power.h" - for RK3128 type power domain. - "include/dt-bindings/power/rk3188-power.h" - for RK3188 type power domain. - "include/dt-bindings/power/rk3228-power.h" - for RK3228 type power domain. - "include/dt-bindings/power/rk3288-power.h" - for RK3288 type power domain. - "include/dt-bindings/power/rk3328-power.h" - for RK3328 type power domain. - "include/dt-bindings/power/rk3366-power.h" - for RK3366 type power domain. - "include/dt-bindings/power/rk3368-power.h" - for RK3368 type power domain. - "include/dt-bindings/power/rk3399-power.h" - for RK3399 type power domain. -- clocks (optional): phandles to clocks which need to be enabled while power domain - switches state. -- pm_qos (optional): phandles to qos blocks which need to be saved and restored - while power domain switches state. - -Qos Example: - - qos_gpu: qos_gpu@ffaf0000 { - compatible ="syscon"; - reg = <0x0 0xffaf0000 0x0 0x20>; - }; - -Example: - - power: power-controller { - compatible = "rockchip,rk3288-power-controller"; - #power-domain-cells = <1>; - #address-cells = <1>; - #size-cells = <0>; - - pd_gpu { - reg = ; - clocks = <&cru ACLK_GPU>; - pm_qos = <&qos_gpu>; - }; - }; - - power: power-controller { - compatible = "rockchip,rk3368-power-controller"; - #power-domain-cells = <1>; - #address-cells = <1>; - #size-cells = <0>; - - pd_gpu_1 { - reg = ; - clocks = <&cru ACLK_GPU_CFG>; - }; - }; - -Example 2: - power: power-controller { - compatible = "rockchip,rk3399-power-controller"; - #power-domain-cells = <1>; - #address-cells = <1>; - #size-cells = <0>; - - pd_vio { - #address-cells = <1>; - #size-cells = <0>; - reg = ; - - pd_vo { - #address-cells = <1>; - #size-cells = <0>; - reg = ; - - pd_vopb { - reg = ; - }; - - pd_vopl { - reg = ; - }; - }; - }; - }; - -Node of a device using power domains must have a power-domains property, -containing a phandle to the power device node and an index specifying which -power domain to use. -The index should use macros in: - "include/dt-bindings/power/px30-power.h" - for px30 type power domain. - "include/dt-bindings/power/rk3036-power.h" - for rk3036 type power domain. - "include/dt-bindings/power/rk3128-power.h" - for rk3128 type power domain. - "include/dt-bindings/power/rk3128-power.h" - for rk3228 type power domain. - "include/dt-bindings/power/rk3288-power.h" - for rk3288 type power domain. - "include/dt-bindings/power/rk3328-power.h" - for rk3328 type power domain. - "include/dt-bindings/power/rk3366-power.h" - for rk3366 type power domain. - "include/dt-bindings/power/rk3368-power.h" - for rk3368 type power domain. - "include/dt-bindings/power/rk3399-power.h" - for rk3399 type power domain. - -Example of the node using power domain: - - node { - /* ... */ - power-domains = <&power RK3288_PD_GPU>; - /* ... */ - }; - - node { - /* ... */ - power-domains = <&power RK3368_PD_GPU_1>; - /* ... */ - }; - - node { - /* ... */ - power-domains = <&power RK3399_PD_VOPB>; - /* ... */ - };