From patchwork Sun Apr 26 18:58:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Cercueil X-Patchwork-Id: 11510933 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 DDB501805 for ; Sun, 26 Apr 2020 18:59:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C54B6206BF for ; Sun, 26 Apr 2020 18:59:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=crapouillou.net header.i=@crapouillou.net header.b="Z6/fqZft" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726323AbgDZS7I (ORCPT ); Sun, 26 Apr 2020 14:59:08 -0400 Received: from outils.crapouillou.net ([89.234.176.41]:58818 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726191AbgDZS7H (ORCPT ); Sun, 26 Apr 2020 14:59:07 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=crapouillou.net; s=mail; t=1587927544; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references; bh=MPcskCveO2zpxatA04dSJRF87yAOrKmZ9Wd1I3xcHTU=; b=Z6/fqZftGdOUEtMtcu02nGndmzyxIBgeOF9dPZBgE5ifLiRAyektZNhiEL0ueCc3Iuk9Fo hXLnc6XscOR9Fbncc4E7XDFz9GllPXw7KS0Xn/IGPrD2HbdBeplzxpdR6vHzuRIWSpa3ff Y+t9/96FUmUzzA+qCK1I+9CPwK4JJhY= From: Paul Cercueil To: Rob Herring Cc: od@zcrc.me, =?utf-8?b?5ZGo55Cw5p2w?= , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-mtd@lists.infradead.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-mips@vger.kernel.org, Paul Cercueil Subject: [PATCH 1/8] dt-bindings: clock: Convert ingenic,cgu.txt to YAML Date: Sun, 26 Apr 2020 20:58:49 +0200 Message-Id: <20200426185856.38826-1-paul@crapouillou.net> MIME-Version: 1.0 Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Convert the ingenic,cgu.txt doc file to ingenic,cgu.yaml. The binding documentation has been updated as well. The node can have a child node that corresponds to the USB PHY, which happens to be present in the middle of the CGU registers. Signed-off-by: Paul Cercueil --- .../devicetree/bindings/clock/ingenic,cgu.txt | 57 -------- .../bindings/clock/ingenic,cgu.yaml | 122 ++++++++++++++++++ 2 files changed, 122 insertions(+), 57 deletions(-) delete mode 100644 Documentation/devicetree/bindings/clock/ingenic,cgu.txt create mode 100644 Documentation/devicetree/bindings/clock/ingenic,cgu.yaml diff --git a/Documentation/devicetree/bindings/clock/ingenic,cgu.txt b/Documentation/devicetree/bindings/clock/ingenic,cgu.txt deleted file mode 100644 index 75598e655067..000000000000 --- a/Documentation/devicetree/bindings/clock/ingenic,cgu.txt +++ /dev/null @@ -1,57 +0,0 @@ -Ingenic SoC CGU binding - -The CGU in an Ingenic SoC provides all the clocks generated on-chip. It -typically includes a variety of PLLs, multiplexers, dividers & gates in order -to provide many different clock signals derived from only 2 external source -clocks. - -Required properties: -- compatible : Should be one of: - * ingenic,jz4740-cgu - * ingenic,jz4725b-cgu - * ingenic,jz4770-cgu - * ingenic,jz4780-cgu - * ingenic,x1000-cgu -- reg : The address & length of the CGU registers. -- clocks : List of phandle & clock specifiers for clocks external to the CGU. - Two such external clocks should be specified - first the external crystal - "ext" and second the RTC clock source "rtc". -- clock-names : List of name strings for the external clocks. -- #clock-cells: Should be 1. - Clock consumers specify this argument to identify a clock. The valid values - may be found in -cgu.h>. - -Example SoC include file: - -/ { - cgu: jz4740-cgu { - compatible = "ingenic,jz4740-cgu"; - reg = <0x10000000 0x100>; - #clock-cells = <1>; - }; - - uart0: serial@10030000 { - clocks = <&cgu JZ4740_CLK_UART0>; - }; -}; - -Example board file: - -/ { - ext: clock@0 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <12000000>; - }; - - rtc: clock@1 { - compatible = "fixed-clock"; - #clock-cells = <0>; - clock-frequency = <32768>; - }; - - &cgu { - clocks = <&ext> <&rtc>; - clock-names: "ext", "rtc"; - }; -}; diff --git a/Documentation/devicetree/bindings/clock/ingenic,cgu.yaml b/Documentation/devicetree/bindings/clock/ingenic,cgu.yaml new file mode 100644 index 000000000000..0281cd1d7e1b --- /dev/null +++ b/Documentation/devicetree/bindings/clock/ingenic,cgu.yaml @@ -0,0 +1,122 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/ingenic,cgu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Ingenic SoCs CGU devicetree bindings + +description: | + The CGU in an Ingenic SoC provides all the clocks generated on-chip. It + typically includes a variety of PLLs, multiplexers, dividers & gates in order + to provide many different clock signals derived from only 2 external source + clocks. + +maintainers: + - Paul Cercueil + +select: + properties: + compatible: + contains: + enum: + - ingenic,jz4740-cgu + - ingenic,jz4725b-cgu + - ingenic,jz4770-cgu + - ingenic,jz4780-cgu + - ingenic,x1000-cgu + required: + - compatible + +properties: + $nodename: + pattern: "^clock-controller@[0-9a-f]+$" + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + "#clock-cells": + const: 1 + + ranges: true + + compatible: + items: + - enum: + - ingenic,jz4740-cgu + - ingenic,jz4725b-cgu + - ingenic,jz4770-cgu + - ingenic,jz4780-cgu + - ingenic,x1000-cgu + - const: simple-mfd + minItems: 1 + + reg: + maxItems: 1 + + clocks: + items: + - description: External oscillator clock + - description: Internal 32 kHz RTC clock + + clock-names: + items: + - const: ext + - enum: + - rtc + - osc32k # Different name, same clock + + assigned-clocks: + minItems: 1 + maxItems: 64 + + assigned-clock-parents: + minItems: 1 + maxItems: 64 + + assigned-clock-rates: + minItems: 1 + maxItems: 64 + +required: + - "#clock-cells" + - compatible + - reg + - clocks + - clock-names + +patternProperties: + "^usb-phy@[a-f0-9]+$": + allOf: [ $ref: "../usb/ingenic,jz4770-phy.yaml#" ] + +additionalProperties: false + +examples: + - | + #include + cgu: clock-controller@10000000 { + compatible = "ingenic,jz4770-cgu", "simple-mfd"; + reg = <0x10000000 0x100>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x10000000 0x100>; + + clocks = <&ext>, <&osc32k>; + clock-names = "ext", "osc32k"; + + #clock-cells = <1>; + + otg_phy: usb-phy@3c { + compatible = "ingenic,jz4770-phy"; + reg = <0x3c 0x10>; + + clocks = <&cgu JZ4770_CLK_OTG_PHY>; + + vcc-supply = <&ldo5>; + + #phy-cells = <0>; + }; + };