From patchwork Mon Dec 18 17:14:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Th=C3=A9o_Lebrun?= X-Patchwork-Id: 755585 Received: from relay8-d.mail.gandi.net (relay8-d.mail.gandi.net [217.70.183.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2D8144237E; Mon, 18 Dec 2023 17:14:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="MVk80s1w" Received: by mail.gandi.net (Postfix) with ESMTPSA id 8289C1BF209; Mon, 18 Dec 2023 17:14:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1702919666; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=ahVSmLR6iTDswYEVK643yMqHt0HqBdSL9hiXEU1xdC8=; b=MVk80s1wI3podiIZQs9nkEv4UUsu3EcRpWDQHVCYfcI9zGt5GHineoZD6d/rCp89z1wll6 Ap2LwHKoNMR4cHOSVK0Yj16YJwchvkKEKxIUKRujOr6Y4dM1LfD3HWtj1jXuXGkcmw82kW MlBeluHLAIV86aXCkGWIRX74GTAHA8ESjWXJxJTQgzuS0OXf5NlyzsTvbnUBRXo2F5pih3 8y8W3Nm7dLOV4eMx5iFwl8YnyJXYJ6+H7gxONrN69HV9EX+VLDeZVT3DioZRIWAuxipItY CDwbZdgNfVzzBmdymSpU49Q0mixjWF+6SEPXtCbmFQDSEdZqb2yVOUnPB6aIRg== From: =?utf-8?q?Th=C3=A9o_Lebrun?= Date: Mon, 18 Dec 2023 18:14:17 +0100 Subject: [PATCH 2/5] dt-bindings: clock: mobileye,eyeq5-clk: add bindings Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231218-mbly-clk-v1-2-44ce54108f06@bootlin.com> References: <20231218-mbly-clk-v1-0-44ce54108f06@bootlin.com> In-Reply-To: <20231218-mbly-clk-v1-0-44ce54108f06@bootlin.com> To: Gregory CLEMENT , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thomas Bogendoerfer Cc: Vladimir Kondratiev , linux-mips@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Petazzoni , Tawfik Bayouk , =?utf-8?q?Th=C3=A9o_Lebrun?= X-Mailer: b4 0.12.4 X-GND-Sasl: theo.lebrun@bootlin.com Add DT schema bindings for the EyeQ5 clock controller driver. Signed-off-by: Théo Lebrun --- .../bindings/clock/mobileye,eyeq5-clk.yaml | 83 ++++++++++++++++++++++ MAINTAINERS | 2 + include/dt-bindings/clock/mobileye,eyeq5-clk.h | 22 ++++++ 3 files changed, 107 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/mobileye,eyeq5-clk.yaml b/Documentation/devicetree/bindings/clock/mobileye,eyeq5-clk.yaml new file mode 100644 index 000000000000..d56482a06bf1 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/mobileye,eyeq5-clk.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/mobileye,eyeq5-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mobileye EyeQ5 clock controller + +description: + The EyeQ5 clock controller handles 10 read-only PLLs derived from the main + crystal clock. It also exposes one divider clock, a child of one of the PLLs. + It is custom to this platform, its registers live in a shared region called + OLB. + +maintainers: + - Grégory Clement + - Théo Lebrun + - Vladimir Kondratiev + +properties: + $nodename: + pattern: "^clocks$" + description: + We have no unique address, we rely on OLB. + + compatible: + const: mobileye,eyeq5-clk + + "#clock-cells": + const: 1 + + clocks: + maxItems: 1 + description: + Input parent clock to all PLLs. Expected to be the main crystal. + + clock-names: + items: + - const: ref + + mobileye,olb: + $ref: /schemas/types.yaml#/definitions/phandle + description: + A phandle to the OLB syscon. This is a fallback to using the parent as + syscon node. + +required: + - compatible + - "#clock-cells" + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + olb@e00000 { + compatible = "mobileye,eyeq5-olb", "syscon", "simple-mfd"; + reg = <0xe00000 0x400>; + reg-io-width = <4>; + + clocks { + compatible = "mobileye,eyeq5-clk"; + #clock-cells = <1>; + clocks = <&xtal>; + clock-names = "ref"; + }; + }; + + - | + olb: olb@e00000 { + compatible = "mobileye,eyeq5-olb", "syscon", "simple-mfd"; + reg = <0xe00000 0x400>; + reg-io-width = <4>; + }; + + clocks { + compatible = "mobileye,eyeq5-clk"; + mobileye,olb = <&olb>; + #clock-cells = <1>; + clocks = <&xtal>; + clock-names = "ref"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 4a7bd6b40d74..7f04fa760a4d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14552,10 +14552,12 @@ M: Gregory CLEMENT M: Théo Lebrun L: linux-mips@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/clock/mobileye,eyeq5-clk.yaml F: Documentation/devicetree/bindings/mips/mobileye.yaml F: arch/mips/boot/dts/mobileye/ F: arch/mips/configs/generic/board-eyeq5.config F: arch/mips/generic/board-epm5.its.S +F: include/dt-bindings/clock/mobileye,eyeq5-clk.h F: include/dt-bindings/soc/mobileye,eyeq5.h MODULE SUPPORT diff --git a/include/dt-bindings/clock/mobileye,eyeq5-clk.h b/include/dt-bindings/clock/mobileye,eyeq5-clk.h new file mode 100644 index 000000000000..7aa974354bb6 --- /dev/null +++ b/include/dt-bindings/clock/mobileye,eyeq5-clk.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (C) 2023 Mobileye Vision Technologies Ltd. + */ + +#ifndef _DT_BINDINGS_CLOCK_MOBILEYE_EYEQ5_CLK_H +#define _DT_BINDINGS_CLOCK_MOBILEYE_EYEQ5_CLK_H + +#define EQ5C_PLL_CPU 0 +#define EQ5C_PLL_VMP 1 +#define EQ5C_PLL_PMA 2 +#define EQ5C_PLL_VDI 3 +#define EQ5C_PLL_DDR0 4 +#define EQ5C_PLL_PCI 5 +#define EQ5C_PLL_PER 6 +#define EQ5C_PLL_PMAC 7 +#define EQ5C_PLL_MPC 8 +#define EQ5C_PLL_DDR1 9 + +#define EQ5C_DIV_OSPI 10 + +#endif