From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07767C433E0 for ; Wed, 17 Mar 2021 02:53:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CB23964F9C for ; Wed, 17 Mar 2021 02:53:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229772AbhCQCwd (ORCPT ); Tue, 16 Mar 2021 22:52:33 -0400 Received: from lucky1.263xmail.com ([211.157.147.131]:53056 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229637AbhCQCwZ (ORCPT ); Tue, 16 Mar 2021 22:52:25 -0400 Received: from localhost (unknown [192.168.167.235]) by lucky1.263xmail.com (Postfix) with ESMTP id 6A675B9B0B; Wed, 17 Mar 2021 10:52:11 +0800 (CST) X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-ADDR-CHECKED4: 1 X-ANTISPAM-LEVEL: 2 X-ABS-CHECKED: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P24306T139685293258496S1615949528087809_; Wed, 17 Mar 2021 10:52:11 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <3f11b39cfa84a99242fa364c85a0b3bf> X-RL-SENDER: zhangqing@rock-chips.com X-SENDER: zhangqing@rock-chips.com X-LOGIN-NAME: zhangqing@rock-chips.com X-FST-TO: robh+dt@kernel.org X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-System-Flag: 0 From: Elaine Zhang To: robh+dt@kernel.org, heiko@sntech.de Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, cl@rock-chips.com, huangtao@rock-chips.com, kever.yang@rock-chips.com, tony.xie@rock-chips.com, finley.xiao@rock-chips.com, Elaine Zhang Subject: [PATCH v1 2/3] dt-bindings: Convert the rockchip power_domain to YAML and extend Date: Wed, 17 Mar 2021 10:51:58 +0800 Message-Id: <20210317025159.2248-3-zhangqing@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210317025159.2248-1-zhangqing@rock-chips.com> References: <20210317025159.2248-1-zhangqing@rock-chips.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This converts the rockchip power domain family bindings to YAML schema, and add binding documentation for the power domains found on Rockchip RK3568 SoCs. Signed-off-by: Elaine Zhang --- .../bindings/soc/rockchip/power_domain.txt | 136 ------------ .../rockchip/rockchip,power-controller.yaml | 196 ++++++++++++++++++ 2 files changed, 196 insertions(+), 136 deletions(-) delete mode 100644 Documentation/devicetree/bindings/soc/rockchip/power_domain.txt create mode 100644 Documentation/devicetree/bindings/soc/rockchip/rockchip,power-controller.yaml 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>; - /* ... */ - }; diff --git a/Documentation/devicetree/bindings/soc/rockchip/rockchip,power-controller.yaml b/Documentation/devicetree/bindings/soc/rockchip/rockchip,power-controller.yaml new file mode 100644 index 000000000000..c9c8058d17ab --- /dev/null +++ b/Documentation/devicetree/bindings/soc/rockchip/rockchip,power-controller.yaml @@ -0,0 +1,196 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +# %YAML 1.2 +--- +$id: http://devicetree.org/soc/rockchip/rockchip,power-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rcokchip Generic PM domains + +maintainers: + - Rob Herring + - 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. + + IP cores belonging to a power domain should contain a 'power-domains' + property that is a phandle for SCPSYS node representing the domain. + +properties: + $nodename: + const: power-controller + + compatible: + enum: + - rockchip,px30-power-controller + - rockchip,rk3036-power-controller + - rockchip,rk3066-power-controller + - rockchip,rk3128-power-controller + - rockchip,rk3188-power-controller + - rockchip,rk3228-power-controller + - rockchip,rk3288-power-controller + - rockchip,rk3328-power-controller + - rockchip,rk3366-power-controller + - rockchip,rk3368-power-controller + - rockchip,rk3399-power-controller + - rockchip,rk3568-power-controller + + '#power-domain-cells': + const: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +patternProperties: + "^power-domain@[0-9a-f]+$": + 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. + "include/dt-bindings/power/rk3568-power.h" - for RK3568 type power domain. + maxItems: 1 + + clocks: + description: | + A number of phandles to clocks that need to be enabled during domain + power-up sequencing. + + clock-names: + description: | + List of names of clocks, in order to match the power-up sequencing + for each power domain we need to group the clocks by name. BASIC + clocks need to be enabled before enabling the corresponding power + domain. + + pm_qos: + description: | + A number of phandles for qos registers that need to be save and restor during domain + power-up sequencing. + + additionalProperties: false + +required: + - compatible + +additionalProperties: false + +examples: + - | + pmu: power-management@fdd90000 { + compatible = "rockchip,rk3568-pmu", "syscon", "simple-mfd"; + reg = <0xfdd90000 0x1000>; + + power: power-controller { + compatible = "rockchip,rk3568-power-controller"; + #power-domain-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + /* These power domains are grouped by VD_NPU */ + pd_npu@RK3568_PD_NPU { + reg = ; + clocks = <&cru ACLK_NPU_PRE>, + <&cru HCLK_NPU_PRE>, + <&cru PCLK_NPU_PRE>; + pm_qos = <&qos_npu>; + }; + /* These power domains are grouped by VD_GPU */ + pd_gpu@RK3568_PD_GPU { + reg = ; + clocks = <&cru ACLK_GPU_PRE>, + <&cru PCLK_GPU_PRE>; + pm_qos = <&qos_gpu>; + }; + /* These power domains are grouped by VD_LOGIC */ + pd_vi@RK3568_PD_VI { + reg = ; + clocks = <&cru HCLK_VI>, + <&cru PCLK_VI>; + pm_qos = <&qos_isp>, + <&qos_vicap0>, + <&qos_vicap1>; + }; + pd_vo@RK3568_PD_VO { + reg = ; + clocks = <&cru HCLK_VO>, + <&cru PCLK_VO>, + <&cru ACLK_VOP_PRE>; + pm_qos = <&qos_hdcp>, + <&qos_vop_m0>, + <&qos_vop_m1>; + }; + pd_rga@RK3568_PD_RGA { + reg = ; + clocks = <&cru HCLK_RGA_PRE>, + <&cru PCLK_RGA_PRE>; + pm_qos = <&qos_ebc>, + <&qos_iep>, + <&qos_jpeg_dec>, + <&qos_jpeg_enc>, + <&qos_rga_rd>, + <&qos_rga_wr>; + }; + pd_vpu@RK3568_PD_VPU { + reg = ; + clocks = <&cru HCLK_VPU_PRE>; + pm_qos = <&qos_vpu>; + }; + pd_rkvdec@RK3568_PD_RKVDEC { + clocks = <&cru HCLK_RKVDEC_PRE>; + reg = ; + pm_qos = <&qos_rkvdec>; + }; + pd_rkvenc@RK3568_PD_RKVENC { + reg = ; + clocks = <&cru HCLK_RKVENC_PRE>; + pm_qos = <&qos_rkvenc_rd_m0>, + <&qos_rkvenc_rd_m1>, + <&qos_rkvenc_wr_m0>; + }; + pd_pipe@RK3568_PD_PIPE { + reg = ; + clocks = <&cru PCLK_PIPE>; + pm_qos = <&qos_pcie2x1>, + <&qos_pcie3x1>, + <&qos_pcie3x2>, + <&qos_sata0>, + <&qos_sata1>, + <&qos_sata2>, + <&qos_usb3_0>, + <&qos_usb3_1>; + }; + }; + }; -- 2.17.1