From patchwork Sun Feb 2 18:36:34 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 861515 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BA0861FBE87; Sun, 2 Feb 2025 18:38:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738521518; cv=none; b=h/Yq4EZH49p8EQmODpB54IHiZRibnirjBNUpc2sjRUdg4zy+xOJgUek5BezHiz32sYnmJ5K+xsksDmEOKZGJbHmEevUpjfBA+vFE9Rvo6uN3mu6mWHNyDyGVKTX0d6jcUewU42Xo0ctSrly/5AHwXr/w8HhdGCDAovNYlKSm25Q= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738521518; c=relaxed/simple; bh=/1IewTiZbmQBp1G6EX+8pjxa8xy0IWsaV+GmJE5iXFo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=U0BnfIMOa750vjIslGbS4uwn9jVoLXkA/QANLLU6WS1Mj5sGLrm182vcqljElINWsOaam1rdIeRBx1+wbJzzsXZYhD9xLuLMnX/FrPhH4YNM2MWWk8S4IjcDQ2mzJv3Zx0fSv2d8HbABj6tXiofjpknBlp580bCCm2smkhXeRGQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=HBreNpT+; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="HBreNpT+" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 071CB254F1; Sun, 2 Feb 2025 19:38:34 +0100 (CET) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 6AhsCCaCtE3s; Sun, 2 Feb 2025 19:38:28 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1738521508; bh=/1IewTiZbmQBp1G6EX+8pjxa8xy0IWsaV+GmJE5iXFo=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=HBreNpT+ttIa8CGLsZ5CcF08z1c+8sveRXPbZMTmUUqy+hblw1ddRyHjLiZ0MF+ok i4NIJ1nrlvWjQWg0ey2lCnu3lzxdsZrzMRMdI1sSjIcPAdkDR5bLdubxACk/5cjmAt 433/Vfo/4G98V59OJdNA9NCcvFJ9p87sa/gG/69toYtftkF+NI2HhHqe3FLhUfjBjC BHFYtaNMBK1hlnk+Bb8jBZhdXygk0tj/JhHg5SJUYPwe5ln4LuIbNQe+dus9GNzHfJ B6IGV6HHlm5pQs2WJKZpS57JyFSwR8OVy/ggV+GCat4U1rzSBd0RK2zKjBtPBIK75J goaIpxd1Nqgrg== From: Kaustabh Chakraborty Date: Mon, 03 Feb 2025 00:06:34 +0530 Subject: [PATCH 01/33] dt-bindings: hwinfo: samsung,exynos-chipid: add exynos7870-chipid compatible Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250203-exynos7870-v1-1-2b6df476a3f0@disroot.org> References: <20250203-exynos7870-v1-0-2b6df476a3f0@disroot.org> In-Reply-To: <20250203-exynos7870-v1-0-2b6df476a3f0@disroot.org> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Tomasz Figa , Linus Walleij , Greg Kroah-Hartman , Jiri Slaby , Lee Jones , Liam Girdwood , Mark Brown , Vinod Koul , Kishon Vijay Abraham I , Marek Szyprowski , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Andi Shyti , Ulf Hansson , Jaehoon Chung , Vivek Gautam , Thinh Nguyen , Kees Cook , Tony Luck , "Guilherme G. Piccoli" Cc: Sergey Lisov , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-mmc@vger.kernel.org, linux-hardening@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1738521464; l=984; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=/1IewTiZbmQBp1G6EX+8pjxa8xy0IWsaV+GmJE5iXFo=; b=HPseafre3G8+clhlVS1WJKZVT7jwJzhFKM2sGawnkEHiBn7JiPjXw4NhJ7G0nQFgC59FtSAIa XxYQgScGyr/BRyfi3Ksk7w2C/l3g5/Gjn12L8Ju83LEviQCRTS4bHfn X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= Add the compatible string "samsung,exynos7870-chipid" to the documentation, with a fallback to "samsung,exynos4210-chipid". Signed-off-by: Kaustabh Chakraborty --- Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml b/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml index 385aac7161a0db9334a92d78a57a125f23ca1920..9105ad48563a42ecaeb3dbca37df734d5b93f52c 100644 --- a/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml +++ b/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml @@ -19,6 +19,7 @@ properties: - enum: - samsung,exynos5433-chipid - samsung,exynos7-chipid + - samsung,exynos7870-chipid - const: samsung,exynos4210-chipid - items: - enum: From patchwork Sun Feb 2 19:09:24 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 861513 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F4DE35979; Sun, 2 Feb 2025 19:09:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738523400; cv=none; b=lo6hg6tlxhB4+K5+LNVRaOgdLeKJ0NaF1PO68h+ADFrmoNpEOBbNmRK9jr2Z5Dc92K35M/EE3aCw4hi85ScDnq+CbRjvqe2mJre5WFtOmAZxM56AsvJA0OVtvpnFDaJfmXQwFcY8P4LTsGotAVW9BemWyGfSGrUM3zPOiXSckc8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738523400; c=relaxed/simple; bh=AzkouwOYhe5WXjLjfJu6jXSPjDiiTNXRARPXpdw0PEY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=X6pIEUmnKElE0R2ajKMnRrQIYmUwjFM3lRWhddamChL8KsKqN7ukZFzUVq547nSlsEXd7b2mE6jN8jjhKfk9l82GeHZ36zhZWgdiUgQY1k4fr5zt/ldMshEmTbIz9glev47IewxI3DNNSAniX+uOCbqz/oDwuyEK0bNhZq1y4pY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=c+qb8vey; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="c+qb8vey" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 874F6252F3; Sun, 2 Feb 2025 20:09:56 +0100 (CET) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id 7_1vjShqi42H; Sun, 2 Feb 2025 20:09:52 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1738523392; bh=AzkouwOYhe5WXjLjfJu6jXSPjDiiTNXRARPXpdw0PEY=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=c+qb8veyMgMFyetAbWddB6yHxCe1Zb/piNvjd3URx+Yzvhji77lVKgmMzO9JJ7N8i 9nWc3G/a71yXXbSdzimojqPpWnVa2OZBwZgUfczlP8gV30zhvOgajcgE7QaOFir3FN lcu5Ud+hzhiAP3R5q9kjeCY7MHD2lRseRIC2f1IlhtV2g2fFqvo54UjVS6bZpe+yHJ /JHFZ7116/8c0q9tSKgDwjcGYFk2V0SMRDTXuml0OBmj6zSPK6L+/LAisPTHrTginh p7CgdO1tJQhp82PVvJwFYcH7Tj3yey/LrG5d3oLL1v46CyJDxdWhsy/FhxThoIUjg6 Nrzzvz6Ih/6uQ== From: Kaustabh Chakraborty To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Sylwester Nawrocki , Chanwoo Choi , Michael Turquette , Stephen Boyd , Tomasz Figa , Linus Walleij , Greg Kroah-Hartman , Jiri Slaby , Lee Jones , Liam Girdwood , Mark Brown , Vinod Koul , Kishon Vijay Abraham I , Marek Szyprowski , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Andi Shyti , Ulf Hansson , Jaehoon Chung , Vivek Gautam , Thinh Nguyen , Kees Cook , Tony Luck , "Guilherme G . Piccoli" Cc: Sergey Lisov , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-phy@lists.infradead.org, linux-usb@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-i2c@vger.kernel.org, linux-mmc@vger.kernel.org, linux-hardening@vger.kernel.org, Kaustabh Chakraborty Subject: [PATCH 03/33] dt-bindings: clock: document exynos7870 clock driver CMU bindings Date: Mon, 3 Feb 2025 00:39:24 +0530 Message-ID: <20250202190924.15036-1-kauschluss@disroot.org> In-Reply-To: <20250203-exynos7870-v1-0-2b6df476a3f0@disroot.org> References: <20250203-exynos7870-v1-0-2b6df476a3f0@disroot.org> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Provide dt-schema documentation for Exynos7870 SoC clock controller. Signed-off-by: Kaustabh Chakraborty --- .../clock/samsung,exynos7870-clock.yaml | 246 ++++++++++++++++++ 1 file changed, 246 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/samsung,exynos7870-clock.yaml diff --git a/Documentation/devicetree/bindings/clock/samsung,exynos7870-clock.yaml b/Documentation/devicetree/bindings/clock/samsung,exynos7870-clock.yaml new file mode 100644 index 000000000000..697e03ca191d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/samsung,exynos7870-clock.yaml @@ -0,0 +1,246 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/samsung,exynos7870-clock.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos7870 SoC clock controller + +maintainers: + - Chanwoo Choi + - Krzysztof Kozlowski + - Sylwester Nawrocki + - Tomasz Figa + +description: | + Exynos7870 clock controller is comprised of several CMU units, generating + clocks for different domains. Those CMU units are modeled as separate device + tree nodes, and might depend on each other. The root clock in that root tree + is an external clock: OSCCLK (26 MHz). This external clock must be defined + as a fixed-rate clock in dts. + + Each clock is assigned an identifier and client nodes can use this identifier + to specify the clock which they consume. All clocks available for usage + in clock consumer nodes are defined as preprocessor macros in + 'dt-bindings/clock/exynos7870.h' header. + +properties: + compatible: + enum: + - samsung,exynos7870-cmu-mif + - samsung,exynos7870-cmu-dispaud + - samsung,exynos7870-cmu-fsys + - samsung,exynos7870-cmu-g3d + - samsung,exynos7870-cmu-isp + - samsung,exynos7870-cmu-mfcmscl + - samsung,exynos7870-cmu-peri + + clocks: + minItems: 1 + maxItems: 10 + + clock-names: + minItems: 1 + maxItems: 10 + + "#clock-cells": + const: 1 + + reg: + maxItems: 1 + +allOf: + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-mif + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + + clock-names: + items: + - const: oscclk + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-dispaud + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: CMU_DISPAUD bus clock (from CMU_MIF) + - description: DECON external clock (from CMU_MIF) + - description: DECON vertical clock (from CMU_MIF) + + clock-names: + items: + - const: oscclk + - const: gout_mif_cmu_dispaud_bus + - const: gout_mif_cmu_dispaud_decon_eclk + - const: gout_mif_cmu_dispaud_decon_vclk + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-fsys + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: CMU_FSYS bus clock (from CMU_MIF) + - description: USB20DRD clock (from CMU_MIF) + + clock-names: + items: + - const: oscclk + - const: gout_mif_cmu_fsys_bus + - const: gout_mif_cmu_fsys_usb20drd_refclk + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-g3d + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: G3D switch clock (from CMU_MIF) + + clock-names: + items: + - const: oscclk + - const: gout_mif_cmu_g3d_switch + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-isp + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: ISP camera clock (from CMU_MIF) + - description: ISP clock (from CMU_MIF) + - description: ISP VRA clock (from CMU_MIF) + + clock-names: + items: + - const: oscclk + - const: gout_mif_cmu_isp_cam + - const: gout_mif_cmu_isp_isp + - const: gout_mif_cmu_isp_vra + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-mfcmscl + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: MSCL clock (from CMU_MIF) + - description: MFC clock (from CMU_MIF) + + clock-names: + items: + - const: oscclk + - const: gout_mif_cmu_mfcmscl_mfc + - const: gout_mif_cmu_mfcmscl_mscl + + - if: + properties: + compatible: + contains: + const: samsung,exynos7870-cmu-peri + + then: + properties: + clocks: + items: + - description: External reference clock (26 MHz) + - description: CMU_PERI bus clock (from CMU_MIF) + - description: SPI0 clock (from CMU_MIF) + - description: SPI1 clock (from CMU_MIF) + - description: SPI2 clock (from CMU_MIF) + - description: SPI3 clock (from CMU_MIF) + - description: SPI4 clock (from CMU_MIF) + - description: UART0 clock (from CMU_MIF) + - description: UART1 clock (from CMU_MIF) + - description: UART2 clock (from CMU_MIF) + + clock-names: + items: + - const: oscclk + - const: gout_mif_cmu_peri_bus + - const: gout_mif_cmu_peri_spi0 + - const: gout_mif_cmu_peri_spi1 + - const: gout_mif_cmu_peri_spi2 + - const: gout_mif_cmu_peri_spi3 + - const: gout_mif_cmu_peri_spi4 + - const: gout_mif_cmu_peri_uart0 + - const: gout_mif_cmu_peri_uart1 + - const: gout_mif_cmu_peri_uart2 + +required: + - compatible + - "#clock-cells" + - clocks + - clock-names + - reg + +additionalProperties: false + +examples: + # Clock controller node for CMU_PERI + - | + #include + + cmu_peri: clock-controller@101F0000 { + compatible = "samsung,exynos7870-cmu-peri"; + reg = <0x101f0000 0x1000>; + #clock-cells = <1>; + + clock-names = "oscclk", + "gout_mif_cmu_peri_bus", + "gout_mif_cmu_peri_spi0", + "gout_mif_cmu_peri_spi1", + "gout_mif_cmu_peri_spi2", + "gout_mif_cmu_peri_spi3", + "gout_mif_cmu_peri_spi4", + "gout_mif_cmu_peri_uart0", + "gout_mif_cmu_peri_uart1", + "gout_mif_cmu_peri_uart2"; + clocks = <&oscclk>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_BUS>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_SPI0>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_SPI1>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_SPI2>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_SPI3>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_SPI4>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_UART0>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_UART1>, + <&cmu_mif CLK_GOUT_MIF_CMU_PERI_UART2>; + }; + +...