From patchwork Wed May 4 21:32:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 569382 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 8CCE4C4321E for ; Wed, 4 May 2022 21:33:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378623AbiEDVgg (ORCPT ); Wed, 4 May 2022 17:36:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47908 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378606AbiEDVgf (ORCPT ); Wed, 4 May 2022 17:36:35 -0400 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0356351E53; Wed, 4 May 2022 14:32:57 -0700 (PDT) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sre) with ESMTPSA id 07CE61F44A87 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1651699976; bh=l0V4udZjAuiOeK5vyxVOpBZjaG3ONdg+DU9YAvFIO7A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nJtXbKeArbJodxYDgd7WQSRp2+oaWVHi1plpFtoQSFVxXRZdeST2JEJ9VtxFJu4/H XTFptfhJsUCi+ZkUasVXK+dG/m4iLPSea5fAwjgRpgmcaxlawbD82yr5o925MYR5A1 QKMCDaHt5ILJ1G7V5UNRALhlkkHKi5c/t/J2d1Iq51gFYP0uzbZqyqAdPDMuKo0Su9 8qgACxjj+cXK6xdhcTaJXN1xIIuv/J9MUKOXXdrZL14qJZKPloIvHJFKI7lV9VbgTM cKdeDhUvg3uO7gXZ2ZXtnb4G+280nfd5AwmwOs36FBw4pZl2v45t+Ls1jg3NJeNj9n SJbOSw6xSceuw== Received: by jupiter.universe (Postfix, from userid 1000) id 33FBB48146E; Wed, 4 May 2022 23:32:53 +0200 (CEST) From: Sebastian Reichel To: Heiko Stuebner Cc: Rob Herring , Krzysztof Kozlowski , Linus Walleij , Bartosz Golaszewski , Adrian Hunter , Ulf Hansson , Philipp Zabel , Michael Turquette , Stephen Boyd , linux-clk@vger.kernel.org, linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@lists.collabora.co.uk, Elaine Zhang , kernel@collabora.com, Sebastian Reichel Subject: [PATCHv2 03/21] dt-binding: clock: Document rockchip,rk3588-cru bindings Date: Wed, 4 May 2022 23:32:33 +0200 Message-Id: <20220504213251.264819-4-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220504213251.264819-1-sebastian.reichel@collabora.com> References: <20220504213251.264819-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Elaine Zhang Document the device tree bindings of the rockchip Rk3588 SoC clock driver. Signed-off-by: Elaine Zhang Signed-off-by: Sebastian Reichel --- .../bindings/clock/rockchip,rk3588-cru.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml diff --git a/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml b/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml new file mode 100644 index 000000000000..6e65ee7b0092 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/rockchip,rk3588-cru.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/rockchip,rk3588-cru.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip rk3588 Family Clock Control Module + +maintainers: + - Elaine Zhang + - Heiko Stuebner + +description: | + The RK3588 clock controller generates the clock and also implements a + reset controller for SoC peripherals. + (examples: provide SCLK_UART2\PCLK_UART2 and SRST_P_UART2\SRST_S_UART2 for UART module) + Each clock is assigned an identifier and client nodes can use this identifier + to specify the clock which they consume. All available clocks are defined as + preprocessor macros in the dt-bindings/clock/rk3588-cru.h headers and can be + used in device tree sources. + +properties: + compatible: + enum: + - rockchip,rk3588-cru + + reg: + maxItems: 1 + + "#clock-cells": + const: 1 + + "#reset-cells": + const: 1 + + rockchip,grf: + $ref: /schemas/types.yaml#/definitions/phandle + description: > + phandle to the syscon managing the "general register files". It is used + for GRF muxes, if missing any muxes present in the GRF will not be + available. + + clocks: true + assigned-clocks: true + assigned-clock-rates: true + +required: + - compatible + - reg + - "#clock-cells" + - "#reset-cells" + +additionalProperties: false + +examples: + # Clock Control Module node: + - | + cru: clock-controller@fd7c0000 { + compatible = "rockchip,rk3588-cru"; + reg = <0xfd7c0000 0x5c000>; + #clock-cells = <1>; + #reset-cells = <1>; + };