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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMa8p-0003vU-JG; Mon, 21 Oct 2019 16:02:43 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMa8Q-0003Ll-Oq; Mon, 21 Oct 2019 16:02:22 +0000 Received: from localhost.localdomain (unknown [194.230.155.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3D5ED2084B; Mon, 21 Oct 2019 16:02:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571673738; bh=x3DZeADFnnRoLnhNTWxmX1HBbTzDnaIwqp/8ZaBzgjk=; h=From:To:Cc:Subject:Date:From; b=diiUm3G9bTEbBnzryrGvrmiChQQlzHKCAWwNI84RzWHhdhFUT9i7/QReQ42jHaGJa kmwZ3GLMUpNMlPGVKsiaU8wNspY7/jkQsMg6/HfJFx0CIeVmvH/kYocYKKBpMsFgR3 N7UjkFL/yO2JFqMSLZGZvkdwnDQlctsDk4lyx9fk= From: Krzysztof Kozlowski To: Rob Herring , Mark Rutland , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v4 1/2] dt-bindings: pwm: Convert PWM bindings to json-schema Date: Mon, 21 Oct 2019 18:02:06 +0200 Message-Id: <20191021160207.18026-1-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191021_090218_860717_0F71D75A X-CRM114-Status: GOOD ( 17.09 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski MIME-Version: 1.0 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org Convert generic PWM controller bindings to DT schema format using json-schema. The consumer bindings are provided by dt-schema. Signed-off-by: Krzysztof Kozlowski Acked-by: Stephen Boyd Acked-by: Paul Walmsley --- Changes since v3: 1. Remove pwm-consumers.yaml as they do not give anything new except description. 2. Leave pwm.txt with consumers description. 3. Add acks. Changes since v2: 1. Change also pwm-sprd.txt Changes since v1: 1. Indent example with four spaces (more readable), 2. Change pattern for pwm nodes, 3. Remove $ref from #cells. --- .../bindings/display/bridge/ti,sn65dsi86.txt | 2 +- .../bindings/pwm/atmel-hlcdc-pwm.txt | 2 +- .../devicetree/bindings/pwm/atmel-pwm.txt | 2 +- .../devicetree/bindings/pwm/atmel-tcb-pwm.txt | 2 +- .../bindings/pwm/brcm,bcm7038-pwm.txt | 2 +- .../bindings/pwm/brcm,iproc-pwm.txt | 2 +- .../devicetree/bindings/pwm/brcm,kona-pwm.txt | 2 +- .../devicetree/bindings/pwm/img-pwm.txt | 2 +- .../devicetree/bindings/pwm/imx-pwm.txt | 2 +- .../devicetree/bindings/pwm/imx-tpm-pwm.txt | 2 +- .../bindings/pwm/lpc1850-sct-pwm.txt | 2 +- .../devicetree/bindings/pwm/mxs-pwm.txt | 2 +- .../bindings/pwm/nvidia,tegra20-pwm.txt | 2 +- .../bindings/pwm/nxp,pca9685-pwm.txt | 2 +- .../devicetree/bindings/pwm/pwm-bcm2835.txt | 2 +- .../devicetree/bindings/pwm/pwm-berlin.txt | 2 +- .../devicetree/bindings/pwm/pwm-fsl-ftm.txt | 2 +- .../devicetree/bindings/pwm/pwm-hibvt.txt | 2 +- .../devicetree/bindings/pwm/pwm-lp3943.txt | 2 +- .../devicetree/bindings/pwm/pwm-mediatek.txt | 2 +- .../devicetree/bindings/pwm/pwm-meson.txt | 2 +- .../devicetree/bindings/pwm/pwm-mtk-disp.txt | 2 +- .../bindings/pwm/pwm-omap-dmtimer.txt | 2 +- .../devicetree/bindings/pwm/pwm-rockchip.txt | 2 +- .../devicetree/bindings/pwm/pwm-sifive.txt | 2 +- .../devicetree/bindings/pwm/pwm-stm32-lp.txt | 2 +- .../devicetree/bindings/pwm/pwm-stm32.txt | 2 +- .../devicetree/bindings/pwm/pwm-tiecap.txt | 2 +- .../devicetree/bindings/pwm/pwm-tiehrpwm.txt | 2 +- .../devicetree/bindings/pwm/pwm-zx.txt | 2 +- Documentation/devicetree/bindings/pwm/pwm.txt | 11 +------ .../devicetree/bindings/pwm/pwm.yaml | 29 +++++++++++++++++++ .../bindings/pwm/renesas,pwm-rcar.yaml | 2 +- .../bindings/pwm/renesas,tpu-pwm.yaml | 2 +- .../devicetree/bindings/pwm/spear-pwm.txt | 2 +- .../devicetree/bindings/pwm/st,stmpe-pwm.txt | 2 +- .../devicetree/bindings/pwm/ti,twl-pwm.txt | 2 +- .../devicetree/bindings/pwm/ti,twl-pwmled.txt | 2 +- .../devicetree/bindings/pwm/vt8500-pwm.txt | 2 +- .../devicetree/bindings/timer/ingenic,tcu.txt | 2 +- 40 files changed, 68 insertions(+), 48 deletions(-) create mode 100644 Documentation/devicetree/bindings/pwm/pwm.yaml diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt index 0a3fbb53a16e..8ec4a7f2623a 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi86.txt @@ -21,7 +21,7 @@ Optional properties: - #gpio-cells : Should be two. The first cell is the pin number and the second cell is used to specify flags. See ../../gpio/gpio.txt for more information. -- #pwm-cells : Should be one. See ../../pwm/pwm.txt for description of +- #pwm-cells : Should be one. See ../../pwm/pwm.yaml for description of the cell formats. - clock-names: should be "refclk" diff --git a/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt index cfda0d57d302..afa501bf7f94 100644 --- a/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt @@ -10,7 +10,7 @@ Required properties: - pinctrl-0: should contain the pinctrl states described by pinctrl default. - #pwm-cells: should be set to 3. This PWM chip use the default 3 cells - bindings defined in pwm.txt in this directory. + bindings defined in pwm.yaml in this directory. Example: diff --git a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt index 591ecdd39c7b..fbb5325be1f0 100644 --- a/Documentation/devicetree/bindings/pwm/atmel-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/atmel-pwm.txt @@ -7,7 +7,7 @@ Required properties: - "atmel,sama5d2-pwm" - "microchip,sam9x60-pwm" - reg: physical base address and length of the controller's registers - - #pwm-cells: Should be 3. See pwm.txt in this directory for a + - #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt b/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt index 8031148bcf85..985fcc65f8c4 100644 --- a/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/atmel-tcb-pwm.txt @@ -2,7 +2,7 @@ Atmel TCB PWM controller Required properties: - compatible: should be "atmel,tcb-pwm" -- #pwm-cells: should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of the cells format. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. - tc-block: The Timer Counter block to use as a PWM chip. diff --git a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt index d9254a6da5ed..0e662d7f6bd1 100644 --- a/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/brcm,bcm7038-pwm.txt @@ -4,7 +4,7 @@ Required properties: - compatible: must be "brcm,bcm7038-pwm" - reg: physical base address and length for this controller -- #pwm-cells: should be 2. See pwm.txt in this directory for a description +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format - clocks: a phandle to the reference clock for this block which is fed through its internal variable clock frequency generator diff --git a/Documentation/devicetree/bindings/pwm/brcm,iproc-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,iproc-pwm.txt index 21f75bbd6dae..655f6cd4ef46 100644 --- a/Documentation/devicetree/bindings/pwm/brcm,iproc-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/brcm,iproc-pwm.txt @@ -6,7 +6,7 @@ Required Properties : - compatible: must be "brcm,iproc-pwm" - reg: physical base address and length of the controller's registers - clocks: phandle + clock specifier pair for the external clock -- #pwm-cells: Should be 3. See pwm.txt in this directory for a +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Refer to clocks/clock-bindings.txt for generic clock consumer properties. diff --git a/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt b/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt index 8eae9fe7841c..c42eecfc81ed 100644 --- a/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/brcm,kona-pwm.txt @@ -6,7 +6,7 @@ Required Properties : - compatible: should contain "brcm,kona-pwm" - reg: physical base address and length of the controller's registers - clocks: phandle + clock specifier pair for the external clock -- #pwm-cells: Should be 3. See pwm.txt in this directory for a +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Refer to clocks/clock-bindings.txt for generic clock consumer properties. diff --git a/Documentation/devicetree/bindings/pwm/img-pwm.txt b/Documentation/devicetree/bindings/pwm/img-pwm.txt index fade5f26fcac..9db6de97317d 100644 --- a/Documentation/devicetree/bindings/pwm/img-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/img-pwm.txt @@ -8,7 +8,7 @@ Required properties: - clock-names: Must include the following entries. - pwm: PWM operating clock. - sys: PWM system interface clock. - - #pwm-cells: Should be 2. See pwm.txt in this directory for the + - #pwm-cells: Should be 2. See pwm.yaml in this directory for the description of the cells format. - img,cr-periph: Must contain a phandle to the peripheral control syscon node which contains PWM control registers. diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-pwm.txt index c61bdf8cd41b..22f1c3d8b773 100644 --- a/Documentation/devicetree/bindings/pwm/imx-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/imx-pwm.txt @@ -6,7 +6,7 @@ Required properties: - "fsl,imx1-pwm" for PWM compatible with the one integrated on i.MX1 - "fsl,imx27-pwm" for PWM compatible with the one integrated on i.MX27 - reg: physical base address and length of the controller's registers -- #pwm-cells: 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.txt +- #pwm-cells: 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml in this directory for a description of the cells format. - clocks : Clock specifiers for both ipg and per clocks. - clock-names : Clock names should include both "ipg" and "per" diff --git a/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt index 3ba958d764ff..5bf20950a24e 100644 --- a/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/imx-tpm-pwm.txt @@ -3,7 +3,7 @@ Freescale i.MX TPM PWM controller Required properties: - compatible : Should be "fsl,imx7ulp-pwm". - reg: Physical base address and length of the controller's registers. -- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of the cells format. +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. - clocks : The clock provided by the SoC to drive the PWM. - interrupts: The interrupt for the PWM controller. diff --git a/Documentation/devicetree/bindings/pwm/lpc1850-sct-pwm.txt b/Documentation/devicetree/bindings/pwm/lpc1850-sct-pwm.txt index 36e49d4325cd..43d9f4f08a2e 100644 --- a/Documentation/devicetree/bindings/pwm/lpc1850-sct-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/lpc1850-sct-pwm.txt @@ -7,7 +7,7 @@ Required properties: See ../clock/clock-bindings.txt for details. - clock-names: Must include the following entries. - pwm: PWM operating clock. - - #pwm-cells: Should be 3. See pwm.txt in this directory for the description + - #pwm-cells: Should be 3. See pwm.yaml in this directory for the description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/mxs-pwm.txt b/Documentation/devicetree/bindings/pwm/mxs-pwm.txt index 96cdde5f6208..1b06f86a7091 100644 --- a/Documentation/devicetree/bindings/pwm/mxs-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/mxs-pwm.txt @@ -3,7 +3,7 @@ Freescale MXS PWM controller Required properties: - compatible: should be "fsl,imx23-pwm" - reg: physical base address and length of the controller's registers -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. - fsl,pwm-number: the number of PWM devices diff --git a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt index c57e11b8d937..0a69eadf44ce 100644 --- a/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/nvidia,tegra20-pwm.txt @@ -10,7 +10,7 @@ Required properties: - "nvidia,tegra210-pwm", "nvidia,tegra20-pwm": for Tegra210 - "nvidia,tegra186-pwm": for Tegra186 - reg: physical base address and length of the controller's registers -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. - clocks: Must contain one entry, for the module clock. See ../clocks/clock-bindings.txt for details. diff --git a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt index f84ec9d291ea..f21b55c95738 100644 --- a/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/nxp,pca9685-pwm.txt @@ -3,7 +3,7 @@ NXP PCA9685 16-channel 12-bit PWM LED controller Required properties: - compatible: "nxp,pca9685-pwm" - - #pwm-cells: Should be 2. See pwm.txt in this directory for a description of + - #pwm-cells: Should be 2. See pwm.yaml in this directory for a description of the cells format. The index 16 is the ALLCALL channel, that sets all PWM channels at the same time. diff --git a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt index 8cf87d1bfca5..f5753b3f79df 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-bcm2835.txt @@ -6,7 +6,7 @@ Required properties: - clocks: This clock defines the base clock frequency of the PWM hardware system, the period and the duty_cycle of the PWM signal is a multiple of the base period. -- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Examples: diff --git a/Documentation/devicetree/bindings/pwm/pwm-berlin.txt b/Documentation/devicetree/bindings/pwm/pwm-berlin.txt index 82cbe16fcbbc..f01e993a498a 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-berlin.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-berlin.txt @@ -4,7 +4,7 @@ Required properties: - compatible: should be "marvell,berlin-pwm" - reg: physical base address and length of the controller's registers - clocks: phandle to the input clock -- #pwm-cells: should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt index 576ad002bc83..36532cd5ab25 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-fsl-ftm.txt @@ -21,7 +21,7 @@ Required properties: - "fsl,vf610-ftm-pwm" for PWM compatible with the one integrated on VF610 - "fsl,imx8qm-ftm-pwm" for PWM compatible with the one integrated on i.MX8QM - reg: Physical base address and length of the controller's registers -- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. - clock-names: Should include the following module clock source entries: "ftm_sys" (module clock, also can be used as counter clock), diff --git a/Documentation/devicetree/bindings/pwm/pwm-hibvt.txt b/Documentation/devicetree/bindings/pwm/pwm-hibvt.txt index daedfef09bb6..54dbc2a0e648 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-hibvt.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-hibvt.txt @@ -10,7 +10,7 @@ Required properties: - reg: physical base address and length of the controller's registers. - clocks: phandle and clock specifier of the PWM reference clock. - resets: phandle and reset specifier for the PWM controller reset. -- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/pwm-lp3943.txt b/Documentation/devicetree/bindings/pwm/pwm-lp3943.txt index 7bd9d3b12ce1..f214305a8f5e 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-lp3943.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-lp3943.txt @@ -2,7 +2,7 @@ TI/National Semiconductor LP3943 PWM controller Required properties: - compatible: "ti,lp3943-pwm" - - #pwm-cells: Should be 2. See pwm.txt in this directory for a + - #pwm-cells: Should be 2. See pwm.yaml in this directory for a description of the cells format. Note that this hardware limits the period length to the range 6250~1600000. diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt index c8501530173c..69cae11d80a6 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt @@ -9,7 +9,7 @@ Required properties: - "mediatek,mt7629-pwm", "mediatek,mt7622-pwm": found on mt7629 SoC. - "mediatek,mt8516-pwm": found on mt8516 SoC. - reg: physical base address and length of the controller's registers. - - #pwm-cells: must be 2. See pwm.txt in this directory for a description of + - #pwm-cells: must be 2. See pwm.yaml in this directory for a description of the cell format. - clocks: phandle and clock specifier of the PWM reference clock. - clock-names: must contain the following, except for MT7628 which diff --git a/Documentation/devicetree/bindings/pwm/pwm-meson.txt b/Documentation/devicetree/bindings/pwm/pwm-meson.txt index 891632354065..bd02b0a1496f 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-meson.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-meson.txt @@ -10,7 +10,7 @@ Required properties: or "amlogic,meson-g12a-ee-pwm" or "amlogic,meson-g12a-ao-pwm-ab" or "amlogic,meson-g12a-ao-pwm-cd" -- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Optional properties: diff --git a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt index 6f8af2bcc7b7..0521957c253f 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-mtk-disp.txt @@ -6,7 +6,7 @@ Required properties: - "mediatek,mt6595-disp-pwm": found on mt6595 SoC. - "mediatek,mt8173-disp-pwm": found on mt8173 SoC. - reg: physical base address and length of the controller's registers. - - #pwm-cells: must be 2. See pwm.txt in this directory for a description of + - #pwm-cells: must be 2. See pwm.yaml in this directory for a description of the cell format. - clocks: phandle and clock specifier of the PWM reference clock. - clock-names: must contain the following: diff --git a/Documentation/devicetree/bindings/pwm/pwm-omap-dmtimer.txt b/Documentation/devicetree/bindings/pwm/pwm-omap-dmtimer.txt index 5ccfcc82da08..d722ae3be363 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-omap-dmtimer.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-omap-dmtimer.txt @@ -4,7 +4,7 @@ Required properties: - compatible: Shall contain "ti,omap-dmtimer-pwm". - ti,timers: phandle to PWM capable OMAP timer. See timer/ti,timer.txt for info about these timers. -- #pwm-cells: Should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Optional properties: diff --git a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt index 2c5e52a5bede..f70956dea77b 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-rockchip.txt @@ -14,7 +14,7 @@ Required properties: - For newer hardware (rk3328 and future socs): specified by name - "pwm": This is used to derive the functional clock. - "pclk": This is the APB bus clock. - - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.txt in this directory + - #pwm-cells: must be 2 (rk2928) or 3 (rk3288). See pwm.yaml in this directory for a description of the cell format. Example: diff --git a/Documentation/devicetree/bindings/pwm/pwm-sifive.txt b/Documentation/devicetree/bindings/pwm/pwm-sifive.txt index 36447e3c9378..3d1dd7b06efc 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-sifive.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-sifive.txt @@ -17,7 +17,7 @@ Required properties: Please refer to sifive-blocks-ip-versioning.txt for details. - reg: physical base address and length of the controller's registers - clocks: Should contain a clock identifier for the PWM's parent clock. -- #pwm-cells: Should be 3. See pwm.txt in this directory +- #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cell format. - interrupts: one interrupt per PWM channel diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt index 6521bc44a74e..4cecb8e456b6 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt @@ -8,7 +8,7 @@ See ../mfd/stm32-lptimer.txt for details about the parent node. Required parameters: - compatible: Must be "st,stm32-pwm-lp". - #pwm-cells: Should be set to 3. This PWM chip uses the default 3 cells - bindings defined in pwm.txt. + bindings defined in pwm.yaml. Optional properties: - pinctrl-names: Set to "default". An additional "sleep" state can be diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt index a8690bfa5e1f..f390a5ba3d3a 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt @@ -9,7 +9,7 @@ Required parameters: - pinctrl-0: List of phandles pointing to pin configuration nodes for PWM module. For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - #pwm-cells: Should be set to 3. This PWM chip uses the default 3 cells - bindings defined in pwm.txt. + bindings defined in pwm.yaml. Optional parameters: - st,breakinput: One or two to describe break input configurations. diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt index b9a1d7402128..c7c4347a769a 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiecap.txt @@ -8,7 +8,7 @@ Required properties: for dra746 - compatible = "ti,dra746-ecap", "ti,am3352-ecap"; for 66ak2g - compatible = "ti,k2g-ecap", "ti,am3352-ecap"; for am654 - compatible = "ti,am654-ecap", "ti,am3352-ecap"; -- #pwm-cells: should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of the cells format. The PWM channel index ranges from 0 to 4. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. - reg: physical base address and size of the registers map. diff --git a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt index 31c4577157dd..c7e28f6d28be 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tiehrpwm.txt @@ -7,7 +7,7 @@ Required properties: for am654 - compatible = "ti,am654-ehrpwm", "ti-am3352-ehrpwm"; for da850 - compatible = "ti,da850-ehrpwm", "ti-am3352-ehrpwm", "ti,am33xx-ehrpwm"; for dra746 - compatible = "ti,dra746-ehrpwm", "ti-am3352-ehrpwm"; -- #pwm-cells: should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of the cells format. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. - reg: physical base address and size of the registers map. diff --git a/Documentation/devicetree/bindings/pwm/pwm-zx.txt b/Documentation/devicetree/bindings/pwm/pwm-zx.txt index a6bcc75c9164..3c8fe7aa8269 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-zx.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-zx.txt @@ -7,7 +7,7 @@ Required properties: - clock-names: "pclk" for PCLK, "wclk" for WCLK to the PWM controller. The PCLK is for register access, while WCLK is the reference clock for calculating period and duty cycles. - - #pwm-cells: Should be 3. See pwm.txt in this directory for a description of + - #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/pwm.txt b/Documentation/devicetree/bindings/pwm/pwm.txt index 8556263b8502..084886bd721e 100644 --- a/Documentation/devicetree/bindings/pwm/pwm.txt +++ b/Documentation/devicetree/bindings/pwm/pwm.txt @@ -57,13 +57,4 @@ Example with optional PWM specifier for inverse polarity 2) PWM controller nodes ----------------------- -PWM controller nodes must specify the number of cells used for the -specifier using the '#pwm-cells' property. - -An example PWM controller might look like this: - - pwm: pwm@7000a000 { - compatible = "nvidia,tegra20-pwm"; - reg = <0x7000a000 0x100>; - #pwm-cells = <2>; - }; +See pwm.yaml. diff --git a/Documentation/devicetree/bindings/pwm/pwm.yaml b/Documentation/devicetree/bindings/pwm/pwm.yaml new file mode 100644 index 000000000000..fa4f9de92090 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm.yaml @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PWM controllers (providers) + +maintainers: + - Thierry Reding + +properties: + $nodename: + pattern: "^pwm(@.*|-[0-9a-f])*$" + + "#pwm-cells": + description: + Number of cells in a PWM specifier. + +required: + - "#pwm-cells" + +examples: + - | + pwm: pwm@7000a000 { + compatible = "nvidia,tegra20-pwm"; + reg = <0x7000a000 0x100>; + #pwm-cells = <2>; + }; diff --git a/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml b/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml index 272a4df4a9d1..945c14e1be35 100644 --- a/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml +++ b/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml @@ -39,7 +39,7 @@ properties: maxItems: 1 '#pwm-cells': - # should be 2. See pwm.txt in this directory for a description of + # should be 2. See pwm.yaml in this directory for a description of # the cells format. const: 2 diff --git a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml index 4908f004651b..4969a954993c 100644 --- a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml +++ b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml @@ -35,7 +35,7 @@ properties: maxItems: 1 '#pwm-cells': - # should be 3. See pwm.txt in this directory for a description of + # should be 3. See pwm.yaml in this directory for a description of # the cells format. The only third cell flag supported by this binding is # PWM_POLARITY_INVERTED. const: 3 diff --git a/Documentation/devicetree/bindings/pwm/spear-pwm.txt b/Documentation/devicetree/bindings/pwm/spear-pwm.txt index b486de2c3fe3..95894128b62f 100644 --- a/Documentation/devicetree/bindings/pwm/spear-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/spear-pwm.txt @@ -5,7 +5,7 @@ Required properties: - "st,spear320-pwm" - "st,spear1340-pwm" - reg: physical base address and length of the controller's registers -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/st,stmpe-pwm.txt b/Documentation/devicetree/bindings/pwm/st,stmpe-pwm.txt index cb209646bf13..f401316e0248 100644 --- a/Documentation/devicetree/bindings/pwm/st,stmpe-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/st,stmpe-pwm.txt @@ -7,7 +7,7 @@ subdevices of the STMPE MFD device. Required properties: - compatible: should be: - "st,stmpe-pwm" -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt b/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt index 4e32bee11201..d97ca1964e94 100644 --- a/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/ti,twl-pwm.txt @@ -6,7 +6,7 @@ On TWL6030 series: PWM0 and PWM1 Required properties: - compatible: "ti,twl4030-pwm" or "ti,twl6030-pwm" -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt b/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt index 9f4b46090782..31ca1b032ef0 100644 --- a/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt +++ b/Documentation/devicetree/bindings/pwm/ti,twl-pwmled.txt @@ -6,7 +6,7 @@ On TWL6030 series: LED PWM (mainly used as charging indicator LED) Required properties: - compatible: "ti,twl4030-pwmled" or "ti,twl6030-pwmled" -- #pwm-cells: should be 2. See pwm.txt in this directory for a description of +- #pwm-cells: should be 2. See pwm.yaml in this directory for a description of the cells format. Example: diff --git a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt index a76390e6df2e..4fba93ce1985 100644 --- a/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt +++ b/Documentation/devicetree/bindings/pwm/vt8500-pwm.txt @@ -3,7 +3,7 @@ VIA/Wondermedia VT8500/WM8xxx series SoC PWM controller Required properties: - compatible: should be "via,vt8500-pwm" - reg: physical base address and length of the controller's registers -- #pwm-cells: should be 3. See pwm.txt in this directory for a description of +- #pwm-cells: should be 3. See pwm.yaml in this directory for a description of the cells format. The only third cell flag supported by this binding is PWM_POLARITY_INVERTED. - clocks: phandle to the PWM source clock diff --git a/Documentation/devicetree/bindings/timer/ingenic,tcu.txt b/Documentation/devicetree/bindings/timer/ingenic,tcu.txt index 5a4b9ddd9470..0c7bd51c19eb 100644 --- a/Documentation/devicetree/bindings/timer/ingenic,tcu.txt +++ b/Documentation/devicetree/bindings/timer/ingenic,tcu.txt @@ -42,7 +42,7 @@ Required properties: - compatible: Must be one of: * ingenic,jz4740-pwm * ingenic,jz4725b-pwm -- #pwm-cells: Should be 3. See ../pwm/pwm.txt for a description of the cell +- #pwm-cells: Should be 3. See ../pwm/pwm.yaml for a description of the cell format. - clocks: List of phandle & clock specifiers for the TCU clocks. - clock-names: List of name strings for the TCU clocks. 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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMa9H-0004RR-IV; Mon, 21 Oct 2019 16:03:11 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iMa8V-0003NI-OZ; Mon, 21 Oct 2019 16:02:25 +0000 Received: from localhost.localdomain (unknown [194.230.155.217]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2C85F20B7C; Mon, 21 Oct 2019 16:02:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1571673743; bh=9vUKs8pCzKFuQ7qoUJr6IKkD/Ix0T+CpovzK7sscdoY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YnuG4tgpME3kPNjXMpUARMsvb9tqSSpIBym0ehdPKylfYMgiqTnXeo27b5jdwh9dq qlPWNYYo7/4HpfxKy1fzneHlbFxhhI5aYIHBVsgbpVpZ8Yz2PkRaBWPAY7U+tvf0qO wKup6EQVUm2LRfxMmfeWS9uEP6d4M11xqW+icQ0U= From: Krzysztof Kozlowski To: Rob Herring , Mark Rutland , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-tegra@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Subject: [PATCH v4 2/2] dt-bindings: pwm: Convert Samsung PWM bindings to json-schema Date: Mon, 21 Oct 2019 18:02:07 +0200 Message-Id: <20191021160207.18026-2-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191021160207.18026-1-krzk@kernel.org> References: <20191021160207.18026-1-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191021_090223_850606_7096C76E X-CRM114-Status: GOOD ( 14.85 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Krzysztof Kozlowski MIME-Version: 1.0 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+patchwork-linux-riscv=patchwork.kernel.org@lists.infradead.org Convert Samsung PWM (S3C, S5P and Exynos SoCs) bindings to DT schema format using json-schema. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Rob Herring --- Changes since v3: 1. Add reviewed-by. Changes since v2: 1. Add additionalProperties: false. Changes since v1: 1. Indent example with four spaces (more readable), 2. Fix samsung,pwm-outputs after review, 3. Remove double-quotes from clock names. --- .../devicetree/bindings/pwm/pwm-samsung.txt | 51 -------- .../devicetree/bindings/pwm/pwm-samsung.yaml | 109 ++++++++++++++++++ 2 files changed, 109 insertions(+), 51 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pwm/pwm-samsung.txt create mode 100644 Documentation/devicetree/bindings/pwm/pwm-samsung.yaml diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.txt b/Documentation/devicetree/bindings/pwm/pwm-samsung.txt deleted file mode 100644 index 5538de9c2007..000000000000 --- a/Documentation/devicetree/bindings/pwm/pwm-samsung.txt +++ /dev/null @@ -1,51 +0,0 @@ -* Samsung PWM timers - -Samsung SoCs contain PWM timer blocks which can be used for system clock source -and clock event timers, as well as to drive SoC outputs with PWM signal. Each -PWM timer block provides 5 PWM channels (not all of them can drive physical -outputs - see SoC and board manual). - -Be aware that the clocksource driver supports only uniprocessor systems. - -Required properties: -- compatible : should be one of following: - samsung,s3c2410-pwm - for 16-bit timers present on S3C24xx SoCs - samsung,s3c6400-pwm - for 32-bit timers present on S3C64xx SoCs - samsung,s5p6440-pwm - for 32-bit timers present on S5P64x0 SoCs - samsung,s5pc100-pwm - for 32-bit timers present on S5PC100, S5PV210, - Exynos4210 rev0 SoCs - samsung,exynos4210-pwm - for 32-bit timers present on Exynos4210, - Exynos4x12, Exynos5250 and Exynos5420 SoCs -- reg: base address and size of register area -- interrupts: list of timer interrupts (one interrupt per timer, starting at - timer 0) -- clock-names: should contain all following required clock names: - - "timers" - PWM base clock used to generate PWM signals, - and any subset of following optional clock names: - - "pwm-tclk0" - first external PWM clock source, - - "pwm-tclk1" - second external PWM clock source. - Note that not all IP variants allow using all external clock sources. - Refer to SoC documentation to learn which clock source configurations - are available. -- clocks: should contain clock specifiers of all clocks, which input names - have been specified in clock-names property, in same order. -- #pwm-cells: should be 3. See pwm.txt in this directory for a description of - the cells format. The only third cell flag supported by this binding is - PWM_POLARITY_INVERTED. - -Optional properties: -- samsung,pwm-outputs: list of PWM channels used as PWM outputs on particular - platform - an array of up to 5 elements being indices of PWM channels - (from 0 to 4), the order does not matter. - -Example: - pwm@7f006000 { - compatible = "samsung,s3c6400-pwm"; - reg = <0x7f006000 0x1000>; - interrupt-parent = <&vic0>; - interrupts = <23>, <24>, <25>, <27>, <28>; - clocks = <&clock 67>; - clock-names = "timers"; - samsung,pwm-outputs = <0>, <1>; - #pwm-cells = <3>; - } diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml new file mode 100644 index 000000000000..ea7f32905172 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm-samsung.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC PWM timers + +maintainers: + - Thierry Reding + - Krzysztof Kozlowski + +description: |+ + Samsung SoCs contain PWM timer blocks which can be used for system clock source + and clock event timers, as well as to drive SoC outputs with PWM signal. Each + PWM timer block provides 5 PWM channels (not all of them can drive physical + outputs - see SoC and board manual). + + Be aware that the clocksource driver supports only uniprocessor systems. + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + enum: + - samsung,s3c2410-pwm # 16-bit, S3C24xx + - samsung,s3c6400-pwm # 32-bit, S3C64xx + - samsung,s5p6440-pwm # 32-bit, S5P64x0 + - samsung,s5pc100-pwm # 32-bit, S5PC100, S5PV210, Exynos4210 rev0 SoCs + - samsung,exynos4210-pwm # 32-bit, Exynos + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 3 + + clock-names: + description: | + Should contain all following required clock names: + - "timers" - PWM base clock used to generate PWM signals, + and any subset of following optional clock names: + - "pwm-tclk0" - first external PWM clock source, + - "pwm-tclk1" - second external PWM clock source. + Note that not all IP variants allow using all external clock sources. + Refer to SoC documentation to learn which clock source configurations + are available. + oneOf: + - items: + - const: timers + - items: + - const: timers + - const: pwm-tclk0 + - items: + - const: timers + - const: pwm-tclk1 + - items: + - const: timers + - const: pwm-tclk0 + - const: pwm-tclk1 + + interrupts: + description: + One interrupt per timer, starting at timer 0. + minItems: 1 + maxItems: 5 + + "#pwm-cells": + description: + The only third cell flag supported by this binding + is PWM_POLARITY_INVERTED. + const: 3 + + samsung,pwm-outputs: + description: + A list of PWM channels used as PWM outputs on particular platform. + It is an array of up to 5 elements being indices of PWM channels + (from 0 to 4), the order does not matter. + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32-array + - uniqueItems: true + - items: + minimum: 0 + maximum: 4 + +required: + - clocks + - clock-names + - compatible + - interrupts + - "#pwm-cells" + - reg + +additionalProperties: false + +examples: + - | + pwm@7f006000 { + compatible = "samsung,s3c6400-pwm"; + reg = <0x7f006000 0x1000>; + interrupt-parent = <&vic0>; + interrupts = <23>, <24>, <25>, <27>, <28>; + clocks = <&clock 67>; + clock-names = "timers"; + samsung,pwm-outputs = <0>, <1>; + #pwm-cells = <3>; + };