From patchwork Mon May 11 19:55:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 11541635 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 ABB5B92A for ; Mon, 11 May 2020 19:56:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9D0AD206F5 for ; Mon, 11 May 2020 19:56:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731375AbgEKT4L (ORCPT ); Mon, 11 May 2020 15:56:11 -0400 Received: from v6.sk ([167.172.42.174]:52478 "EHLO v6.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729049AbgEKT4L (ORCPT ); Mon, 11 May 2020 15:56:11 -0400 Received: from localhost (v6.sk [IPv6:::1]) by v6.sk (Postfix) with ESMTP id 77C45610CF; Mon, 11 May 2020 19:55:39 +0000 (UTC) From: Lubomir Rintel To: Michael Turquette Cc: Stephen Boyd , Liam Girdwood , Mark Brown , Rob Herring , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, Lubomir Rintel Subject: [PATCH 1/2] dt-bindings: sound: Add Marvell MMP Audio Clock Controller binding Date: Mon, 11 May 2020 21:55:33 +0200 Message-Id: <20200511195534.1207927-2-lkundrak@v3.sk> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200511195534.1207927-1-lkundrak@v3.sk> References: <20200511195534.1207927-1-lkundrak@v3.sk> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This describes the bindings for a controller that generates master and bit clocks for the I2S interface. Signed-off-by: Lubomir Rintel --- .../clock/marvell,mmp2-audio-clock.yaml | 73 +++++++++++++++++++ .../dt-bindings/clock/marvell,mmp2-audio.h | 8 ++ 2 files changed, 81 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml create mode 100644 include/dt-bindings/clock/marvell,mmp2-audio.h diff --git a/Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml b/Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml new file mode 100644 index 000000000000..b86e9fbfa56d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/marvell,mmp2-audio-clock.yaml @@ -0,0 +1,73 @@ +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/marvell,mmp2-audio-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell MMP2 Audio Clock Controller + +maintainers: + - Lubomir Rintel + +description: | + The audio clock controller generates and supplies the clocks to the audio + codec. + + Each clock is assigned an identifier and client nodes use this identifier + to specify the clock which they consume. + + All these identifiers could be found in . + +properties: + compatible: + enum: + - marvell,mmp2-audio-clock + + reg: + maxItems: 1 + + clocks: + items: + - description: Audio subsystem clock + - description: The crystal oscillator clock + - description: First I2S clock + - description: Second I2S clock + + clock-names: + items: + - const: audio + - const: vctcxo + - const: i2s0 + - const: i2s1 + + '#clock-cells': + const: 1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + +additionalProperties: false + +examples: + - | + #include + #include + + clocks@d42a0c30 { + compatible = "marvell,mmp2-audio-clock"; + reg = <0xd42a0c30 0x10>; + clock-names = "audio", "vctcxo", "i2s0", "i2s1"; + clocks = <&soc_clocks MMP2_CLK_AUDIO>, + <&soc_clocks MMP2_CLK_VCTCXO>, + <&soc_clocks MMP2_CLK_I2S0>, + <&soc_clocks MMP2_CLK_I2S1>; + power-domains = <&soc_clocks MMP2_POWER_DOMAIN_AUDIO>; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/marvell,mmp2-audio.h b/include/dt-bindings/clock/marvell,mmp2-audio.h new file mode 100644 index 000000000000..127b48ec0f0a --- /dev/null +++ b/include/dt-bindings/clock/marvell,mmp2-audio.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause) */ +#ifndef __DT_BINDINGS_CLOCK_MARVELL_MMP2_AUDIO_H +#define __DT_BINDINGS_CLOCK_MARVELL_MMP2_AUDIO_H + +#define MMP2_CLK_AUDIO_SYSCLK 1 +#define MMP2_CLK_AUDIO_SSPA0 2 +#define MMP2_CLK_AUDIO_SSPA1 3 +#endif