From patchwork Fri Dec 24 23:46:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Heidelberg X-Patchwork-Id: 528038 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B79A6C433F5 for ; Fri, 24 Dec 2021 23:46:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229667AbhLXXqL (ORCPT ); Fri, 24 Dec 2021 18:46:11 -0500 Received: from ixit.cz ([94.230.151.217]:50334 "EHLO ixit.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229576AbhLXXqL (ORCPT ); Fri, 24 Dec 2021 18:46:11 -0500 Received: from localhost.localdomain (ip-89-176-96-70.net.upcbroadband.cz [89.176.96.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ixit.cz (Postfix) with ESMTPSA id B39172243C; Sat, 25 Dec 2021 00:46:08 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ixit.cz; s=dkim; t=1640389569; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=CfFCbj1sFlf04RoseWgD0zYu4RJXqwj8cFEv1GIOEI0=; b=aPDJByjvrjiVWfvWd0rYkusJEkjJKKW3n2kYhtaiFH590RUV3MGnch6i4tfTzcy5Oo2yjy q6ehHOVLE6Ii+q7A1seVsiw9ZJtr2nLaq0HIWa9/+O2+JHzFf+Gwy+/cF4lumrGLhWQVK+ wXh9rn1sEF136fnauvoBpAj94zwzL5U= From: David Heidelberg To: Andy Gross , Bjorn Andersson , Daniel Lezcano , Thomas Gleixner , Rob Herring Cc: ~okias/devicetree@lists.sr.ht, David Heidelberg , Rob Herring , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH] dt-bindings: timer: convert MSM timer to yaml Date: Sat, 25 Dec 2021 00:46:06 +0100 Message-Id: <20211224234607.109049-1-david@ixit.cz> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Convert Qualcomm MSM Timer to yaml format. Signed-off-by: David Heidelberg --- It has currently issue, that it fights with watchdog/qcom-wdt.yaml Both bindings and drivers use similar sets of compatibles and qcom-wdt isn't very strictly defined. .../bindings/timer/qcom,msm-timer.txt | 47 ----------- .../bindings/timer/qcom,msm-timer.yaml | 78 +++++++++++++++++++ 2 files changed, 78 insertions(+), 47 deletions(-) delete mode 100644 Documentation/devicetree/bindings/timer/qcom,msm-timer.txt create mode 100644 Documentation/devicetree/bindings/timer/qcom,msm-timer.yaml diff --git a/Documentation/devicetree/bindings/timer/qcom,msm-timer.txt b/Documentation/devicetree/bindings/timer/qcom,msm-timer.txt deleted file mode 100644 index 5e10c345548f..000000000000 --- a/Documentation/devicetree/bindings/timer/qcom,msm-timer.txt +++ /dev/null @@ -1,47 +0,0 @@ -* MSM Timer - -Properties: - -- compatible : Should at least contain "qcom,msm-timer". More specific - properties specify which subsystem the timers are paired with. - - "qcom,kpss-timer" - krait subsystem - "qcom,scss-timer" - scorpion subsystem - -- interrupts : Interrupts for the debug timer, the first general purpose - timer, and optionally a second general purpose timer, and - optionally as well, 2 watchdog interrupts, in that order. - -- reg : Specifies the base address of the timer registers. - -- clocks: Reference to the parent clocks, one per output clock. The parents - must appear in the same order as the clock names. - -- clock-names: The name of the clocks as free-form strings. They should be in - the same order as the clocks. - -- clock-frequency : The frequency of the debug timer and the general purpose - timer(s) in Hz in that order. - -Optional: - -- cpu-offset : per-cpu offset used when the timer is accessed without the - CPU remapping facilities. The offset is - cpu-offset + (0x10000 * cpu-nr). - -Example: - - timer@200a000 { - compatible = "qcom,scss-timer", "qcom,msm-timer"; - interrupts = <1 1 0x301>, - <1 2 0x301>, - <1 3 0x301>, - <1 4 0x301>, - <1 5 0x301>; - reg = <0x0200a000 0x100>; - clock-frequency = <19200000>, - <32768>; - clocks = <&sleep_clk>; - clock-names = "sleep"; - cpu-offset = <0x40000>; - }; diff --git a/Documentation/devicetree/bindings/timer/qcom,msm-timer.yaml b/Documentation/devicetree/bindings/timer/qcom,msm-timer.yaml new file mode 100644 index 000000000000..238eb985d0fb --- /dev/null +++ b/Documentation/devicetree/bindings/timer/qcom,msm-timer.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/timer/qcom,msm-timer.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm MSM Timer + +maintainers: + - Rob Herring + +properties: + $nodename: + pattern: '^timer@[a-f0-9]+$' + + compatible: + oneOf: + - items: + - const: qcom,kpss-timer + - enum: + - qcom,kpss-wdt-apq8064 + - qcom,kpss-wdt-ipq8064 + - qcom,kpss-wdt-msm8960 + - const: qcom,msm-timer + - items: + - enum: + - qcom,kpss-timer # Krait subsystem + - qcom,scss-timer # Scorpion subsystem + - const: qcom,msm-timer + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + items: + - description: 1st purpose timer + - description: 2nd general purpose timer + - description: 1st watchdog interrupt + - description: 2nd watchdog interrupt + - description: 3nd watchdog interrupt + + clocks: true + + clock-names: true + + clock-frequency: true + + cpu-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: > + Per-cpu offset used when the timer is accessed without the + CPU remapping facilities. The offset is cpu-offset + (0x10000 * cpu-nr). + +required: + - compatible + - reg + - interrupts + - clock-frequency + +additionalProperties: false + +examples: + - | + timer@200a000 { + compatible = "qcom,scss-timer", "qcom,msm-timer"; + interrupts = <1 1 0x301>, + <1 2 0x301>, + <1 3 0x301>, + <1 4 0x301>, + <1 5 0x301>; + reg = <0x0200a000 0x100>; + clock-frequency = <19200000>, + <32768>; + clocks = <&sleep_clk>; + clock-names = "sleep"; + cpu-offset = <0x40000>; + };