From patchwork Mon Jun 8 09:37:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sivaprakash Murugesan X-Patchwork-Id: 188607 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 959D9C433E0 for ; Mon, 8 Jun 2020 09:37:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 74BDE206D5 for ; Mon, 8 Jun 2020 09:37:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729239AbgFHJhh (ORCPT ); Mon, 8 Jun 2020 05:37:37 -0400 Received: from alexa-out-sd-01.qualcomm.com ([199.106.114.38]:16558 "EHLO alexa-out-sd-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729149AbgFHJhg (ORCPT ); Mon, 8 Jun 2020 05:37:36 -0400 Received: from unknown (HELO ironmsg04-sd.qualcomm.com) ([10.53.140.144]) by alexa-out-sd-01.qualcomm.com with ESMTP; 08 Jun 2020 02:37:33 -0700 Received: from sivaprak-linux.qualcomm.com ([10.201.3.202]) by ironmsg04-sd.qualcomm.com with ESMTP; 08 Jun 2020 02:37:30 -0700 Received: by sivaprak-linux.qualcomm.com (Postfix, from userid 459349) id 59C992138A; Mon, 8 Jun 2020 15:07:29 +0530 (IST) From: Sivaprakash Murugesan To: agross@kernel.org, bjorn.andersson@linaro.org, robh+dt@kernel.org, jassisinghbrar@gmail.com, sivaprak@codeaurora.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH V3 1/4] dt-bindings: mailbox: Add YAML schemas for QCOM APCS global block Date: Mon, 8 Jun 2020 15:07:24 +0530 Message-Id: <1591609047-29995-2-git-send-email-sivaprak@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591609047-29995-1-git-send-email-sivaprak@codeaurora.org> References: <1591609047-29995-1-git-send-email-sivaprak@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Qualcomm APCS global block provides a bunch of generic properties which are required in a device tree. Add YAML schema for these properties. Reviewed-by: Rob Herring Signed-off-by: Sivaprakash Murugesan --- .../bindings/mailbox/qcom,apcs-kpss-global.txt | 88 ---------------------- .../bindings/mailbox/qcom,apcs-kpss-global.yaml | 86 +++++++++++++++++++++ 2 files changed, 86 insertions(+), 88 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt create mode 100644 Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt deleted file mode 100644 index beec612..0000000 --- a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.txt +++ /dev/null @@ -1,88 +0,0 @@ -Binding for the Qualcomm APCS global block -========================================== - -This binding describes the APCS "global" block found in various Qualcomm -platforms. - -- compatible: - Usage: required - Value type: - Definition: must be one of: - "qcom,msm8916-apcs-kpss-global", - "qcom,msm8996-apcs-hmss-global" - "qcom,msm8998-apcs-hmss-global" - "qcom,qcs404-apcs-apps-global" - "qcom,sc7180-apss-shared" - "qcom,sdm845-apss-shared" - "qcom,sm8150-apss-shared" - "qcom,ipq8074-apcs-apps-global" - -- reg: - Usage: required - Value type: - Definition: must specify the base address and size of the global block - -- clocks: - Usage: required if #clock-names property is present - Value type: - Definition: phandles to the two parent clocks of the clock driver. - -- #mbox-cells: - Usage: required - Value type: - Definition: as described in mailbox.txt, must be 1 - -- #clock-cells: - Usage: optional - Value type: - Definition: as described in clock.txt, must be 0 - -- clock-names: - Usage: required if the platform data based clock driver needs to - retrieve the parent clock names from device tree. - This will requires two mandatory clocks to be defined. - Value type: - Definition: must be "pll" and "aux" - -= EXAMPLE -The following example describes the APCS HMSS found in MSM8996 and part of the -GLINK RPM referencing the "rpm_hlos" doorbell therein. - - apcs_glb: mailbox@9820000 { - compatible = "qcom,msm8996-apcs-hmss-global"; - reg = <0x9820000 0x1000>; - - #mbox-cells = <1>; - }; - - rpm-glink { - compatible = "qcom,glink-rpm"; - - interrupts = ; - - qcom,rpm-msg-ram = <&rpm_msg_ram>; - - mboxes = <&apcs_glb 0>; - mbox-names = "rpm_hlos"; - }; - -Below is another example of the APCS binding on MSM8916 platforms: - - apcs: mailbox@b011000 { - compatible = "qcom,msm8916-apcs-kpss-global"; - reg = <0xb011000 0x1000>; - #mbox-cells = <1>; - clocks = <&a53pll>; - #clock-cells = <0>; - }; - -Below is another example of the APCS binding on QCS404 platforms: - - apcs_glb: mailbox@b011000 { - compatible = "qcom,qcs404-apcs-apps-global", "syscon"; - reg = <0x0b011000 0x1000>; - #mbox-cells = <1>; - clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>; - clock-names = "pll", "aux"; - #clock-cells = <0>; - }; diff --git a/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml new file mode 100644 index 0000000..12eff94 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/qcom,apcs-kpss-global.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/mailbox/qcom,apcs-kpss-global.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Qualcomm APCS global block bindings + +description: + This binding describes the APCS "global" block found in various Qualcomm + platforms. + +maintainers: + - Sivaprakash Murugesan + +properties: + compatible: + enum: + - qcom,ipq8074-apcs-apps-global + - qcom,msm8916-apcs-kpss-global + - qcom,msm8996-apcs-hmss-global + - qcom,msm8998-apcs-hmss-global + - qcom,qcs404-apcs-apps-global + - qcom,sc7180-apss-shared + - qcom,sdm845-apss-shared + - qcom,sm8150-apss-shared + + reg: + maxItems: 1 + + clocks: + description: phandles to the parent clocks of the clock driver + items: + - description: primary pll parent of the clock driver + - description: auxiliary parent + + '#mbox-cells': + const: 1 + + '#clock-cells': + const: 0 + + clock-names: + items: + - const: pll + - const: aux + +required: + - compatible + - reg + - '#mbox-cells' + +additionalProperties: false + +examples: + + # Example apcs with msm8996 + - | + #include + apcs_glb: mailbox@9820000 { + compatible = "qcom,msm8996-apcs-hmss-global"; + reg = <0x9820000 0x1000>; + + #mbox-cells = <1>; + }; + + rpm-glink { + compatible = "qcom,glink-rpm"; + interrupts = ; + qcom,rpm-msg-ram = <&rpm_msg_ram>; + mboxes = <&apcs_glb 0>; + mbox-names = "rpm_hlos"; + }; + + # Example apcs with qcs404 + - | + #define GCC_APSS_AHB_CLK_SRC 1 + #define GCC_GPLL0_AO_OUT_MAIN 123 + apcs: mailbox@b011000 { + compatible = "qcom,qcs404-apcs-apps-global"; + reg = <0x0b011000 0x1000>; + #mbox-cells = <1>; + clocks = <&apcs_hfpll>, <&gcc GCC_GPLL0_AO_OUT_MAIN>; + clock-names = "pll", "aux"; + #clock-cells = <0>; + };