From patchwork Mon Jul 7 16:42:55 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Boris BREZILLON X-Patchwork-Id: 4496461 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 88C079F1C4 for ; Mon, 7 Jul 2014 16:46:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9A7FC202FF for ; Mon, 7 Jul 2014 16:46:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id ABFAC20212 for ; Mon, 7 Jul 2014 16:45:59 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1X4C0w-0002e1-Bl; Mon, 07 Jul 2014 16:43:38 +0000 Received: from top.free-electrons.com ([176.31.233.9] helo=mail.free-electrons.com) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1X4C0o-0002ZN-Kh for linux-arm-kernel@lists.infradead.org; Mon, 07 Jul 2014 16:43:32 +0000 Received: by mail.free-electrons.com (Postfix, from userid 106) id E5C4C1594; Mon, 7 Jul 2014 18:43:11 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from localhost.localdomain (col31-4-88-188-83-94.fbx.proxad.net [88.188.83.94]) by mail.free-electrons.com (Postfix) with ESMTPSA id A361A1573; Mon, 7 Jul 2014 18:43:10 +0200 (CEST) From: Boris BREZILLON To: Samuel Ortiz , Lee Jones , Thierry Reding , linux-pwm@vger.kernel.org, David Airlie , dri-devel@lists.freedesktop.org, Nicolas Ferre , Jean-Christophe Plagniol-Villard , Alexandre Belloni , Andrew Victor Subject: [RESEND PATCH v3 02/11] mfd: add documentation for atmel-hlcdc DT bindings Date: Mon, 7 Jul 2014 18:42:55 +0200 Message-Id: <1404751384-5077-3-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1404751384-5077-1-git-send-email-boris.brezillon@free-electrons.com> References: <1404751384-5077-1-git-send-email-boris.brezillon@free-electrons.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140707_094331_032224_806C6113 X-CRM114-Status: GOOD ( 11.25 ) X-Spam-Score: 0.3 (/) Cc: Mark Rutland , devicetree@vger.kernel.org, Jean-Jacques Hiblot , Pawel Moll , Ian Campbell , Boris BREZILLON , Tim Niemeyer , Rob Herring , Laurent Pinchart , Bo Shen , Kumar Gala , Robert Nelson , Thomas Petazzoni , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The HLCDC IP available on some Atmel SoCs (i.e. at91sam9n12, at91sam9x5 family or sama5d3 family) exposes 2 subdevices: - a display controller (controlled by a DRM driver) - a PWM chip This patch adds documentation for atmel-hlcdc DT bindings. Signed-off-by: Boris BREZILLON --- .../devicetree/bindings/mfd/atmel-hlcdc.txt | 40 ++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt diff --git a/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt new file mode 100644 index 0000000..294048a --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/atmel-hlcdc.txt @@ -0,0 +1,40 @@ +Device-Tree bindings for Atmel's HLCDC (High LCD Controller) MFD driver + +Required properties: + - compatible: value should be one of the following: + "atmel,sama5d3-hlcdc" + - reg: base address and size of the HLCDC device registers. + - clock-names: the name of the 3 clocks requested by the HLCDC device. + Should contain "periph_clk", "sys_clk" and "slow_clk". + - clocks: should contain the 3 clocks requested by the HLCDC device. + +The HLCDC IP exposes two subdevices: + - a PWM chip: see Documentation/devicetree/bindings/pwm/atmel-hlcdc-pwm.txt + - a Display Controller: see Documentation/devicetree/bindings/drm/atmel-hlcdc-dc.txt + +Example: + + hlcdc: hlcdc@f0030000 { + compatible = "atmel,sama5d3-hlcdc"; + reg = <0xf0030000 0x2000>; + clocks = <&lcdc_clk>, <&lcdck>, <&clk32k>; + clock-names = "periph_clk","sys_clk", "slow_clk"; + + hlcdc-display-controller { + compatible = "atmel,hlcdc-dc"; + interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>; + pinctrl-names = "default", "rgb-444", "rgb-565", "rgb-666", "rgb-888"; + pinctrl-0 = <&pinctrl_lcd_base>; + pinctrl-1 = <&pinctrl_lcd_base &pinctrl_lcd_rgb444>; + pinctrl-2 = <&pinctrl_lcd_base &pinctrl_lcd_rgb565>; + pinctrl-3 = <&pinctrl_lcd_base &pinctrl_lcd_rgb666>; + pinctrl-4 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>; + }; + + hlcdc_pwm: hlcdc-pwm { + compatible = "atmel,hlcdc-pwm"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lcd_pwm>; + #pwm-cells = <3>; + }; + };