From patchwork Mon Sep 23 12:14:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 11156651 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 133A217D4 for ; Mon, 23 Sep 2019 12:14:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F025D20835 for ; Mon, 23 Sep 2019 12:14:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731658AbfIWMOJ (ORCPT ); Mon, 23 Sep 2019 08:14:09 -0400 Received: from kirsty.vergenet.net ([202.4.237.240]:59926 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726212AbfIWMOJ (ORCPT ); Mon, 23 Sep 2019 08:14:09 -0400 Received: from reginn.horms.nl (watermunt.horms.nl [80.127.179.77]) by kirsty.vergenet.net (Postfix) with ESMTPA id 6F7E125AD78; Mon, 23 Sep 2019 22:14:07 +1000 (AEST) Received: by reginn.horms.nl (Postfix, from userid 7100) id 6B047944434; Mon, 23 Sep 2019 14:14:05 +0200 (CEST) From: Simon Horman To: Alessandro Zummo , Alexandre Belloni Cc: Rob Herring , Mark Rutland , Magnus Damm , Geert Uytterhoeven , Chris Brandt , Yoshihiro Kaneko , linux-rtc@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Simon Horman Subject: [PATCH v2] dt-bindings: rtc: rtc-sh: convert bindings to json-schema Date: Mon, 23 Sep 2019 14:14:04 +0200 Message-Id: <20190923121404.32585-1-horms+renesas@verge.net.au> X-Mailer: git-send-email 2.11.0 Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Convert Real Time Clock for Renesas SH and ARM SoCs bindings documentation to json-schema. Also name bindings documentation file according to the compat string being documented. Also correct syntax error in interrupts field in example. Signed-off-by: Simon Horman Reviewed-by: Ulrich Hecht Acked-by: Alexandre Belloni --- v2 * Added reviewed-by tag from Ulrich * Constrain clocks and clock-names as suggested by Rob Herring --- .../devicetree/bindings/rtc/renesas,sh-rtc.yaml | 70 ++++++++++++++++++++++ Documentation/devicetree/bindings/rtc/rtc-sh.txt | 28 --------- 2 files changed, 70 insertions(+), 28 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-sh.txt diff --git a/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml new file mode 100644 index 000000000000..dcff573cbdb1 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/renesas,sh-rtc.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/renesas,sh-rtc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Real Time Clock for Renesas SH and ARM SoCs + +maintainers: + - Chris Brandt + - Geert Uytterhoeven + +properties: + compatible: + items: + - const: renesas,r7s72100-rtc # RZ/A1H + - const: renesas,sh-rtc + + reg: + maxItems: 1 + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: alarm + - const: period + - const: carry + + clocks: + # The functional clock source for the RTC controller must be listed + # first (if it exists). Additionally, potential clock counting sources + # are to be listed. + minItems: 1 + maxItems: 4 + + clock-names: + # The functional clock must be labeled as "fck". Other clocks + # may be named in accordance to the SoC hardware manuals. + minItems: 1 + maxItems: 4 + items: + enum: [ fck, rtc_x1, rtc_x3, extal ] + +required: + - compatible + - reg + - interrupts + - interrupt-names + - clocks + - clock-names + +examples: + - | + #include + #include + #include + + rtc: rtc@fcff1000 { + compatible = "renesas,r7s72100-rtc", "renesas,sh-rtc"; + reg = <0xfcff1000 0x2e>; + interrupts = , + , + ; + interrupt-names = "alarm", "period", "carry"; + clocks = <&mstp6_clks R7S72100_CLK_RTC>, <&rtc_x1_clk>, + <&rtc_x3_clk>, <&extal_clk>; + clock-names = "fck", "rtc_x1", "rtc_x3", "extal"; + }; diff --git a/Documentation/devicetree/bindings/rtc/rtc-sh.txt b/Documentation/devicetree/bindings/rtc/rtc-sh.txt deleted file mode 100644 index 7676c7d28874..000000000000 --- a/Documentation/devicetree/bindings/rtc/rtc-sh.txt +++ /dev/null @@ -1,28 +0,0 @@ -* Real Time Clock for Renesas SH and ARM SoCs - -Required properties: -- compatible: Should be "renesas,r7s72100-rtc" and "renesas,sh-rtc" as a - fallback. -- reg: physical base address and length of memory mapped region. -- interrupts: 3 interrupts for alarm, period, and carry. -- interrupt-names: The interrupts should be labeled as "alarm", "period", and - "carry". -- clocks: The functional clock source for the RTC controller must be listed - first (if exists). Additionally, potential clock counting sources are to be - listed. -- clock-names: The functional clock must be labeled as "fck". Other clocks - may be named in accordance to the SoC hardware manuals. - - -Example: -rtc: rtc@fcff1000 { - compatible = "renesas,r7s72100-rtc", "renesas,sh-rtc"; - reg = <0xfcff1000 0x2e>; - interrupts = ; - interrupt-names = "alarm", "period", "carry"; - clocks = <&mstp6_clks R7S72100_CLK_RTC>, <&rtc_x1_clk>, - <&rtc_x3_clk>, <&extal_clk>; - clock-names = "fck", "rtc_x1", "rtc_x3", "extal"; -};