From patchwork Tue Feb 4 19:51:39 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tim Kryger X-Patchwork-Id: 316746 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 9EEA52C0082 for ; Wed, 5 Feb 2014 06:53:36 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932553AbaBDTxA (ORCPT ); Tue, 4 Feb 2014 14:53:00 -0500 Received: from mail-gw3-out.broadcom.com ([216.31.210.64]:16231 "EHLO mail-gw3-out.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932198AbaBDTwu (ORCPT ); Tue, 4 Feb 2014 14:52:50 -0500 X-IronPort-AV: E=Sophos;i="4.95,781,1384329600"; d="scan'208";a="12703098" Received: from irvexchcas08.broadcom.com (HELO IRVEXCHCAS08.corp.ad.broadcom.com) ([10.9.208.57]) by mail-gw3-out.broadcom.com with ESMTP; 04 Feb 2014 12:01:27 -0800 Received: from IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) by IRVEXCHCAS08.corp.ad.broadcom.com (10.9.208.57) with Microsoft SMTP Server (TLS) id 14.3.174.1; Tue, 4 Feb 2014 11:52:50 -0800 Received: from mail-sj1-12.sj.broadcom.com (10.10.10.20) by IRVEXCHSMTP3.corp.ad.broadcom.com (10.9.207.53) with Microsoft SMTP Server id 14.3.174.1; Tue, 4 Feb 2014 11:52:49 -0800 Received: from mps-infra-lab3.broadcom.com (mps-infra-lab3.sj.broadcom.com [10.19.114.109]) by mail-sj1-12.sj.broadcom.com (Postfix) with ESMTP id 4C26B207C4; Tue, 4 Feb 2014 11:52:45 -0800 (PST) Received: by mps-infra-lab3.broadcom.com (Postfix, from userid 1004) id 232754589A7; Tue, 4 Feb 2014 11:52:45 -0800 (PST) From: Tim Kryger To: Thierry Reding , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , "Kumar Gala" , Rob Landley , Christian Daudt , Grant Likely CC: Tim Kryger , Linux PWM List , Device Tree List , Linux Doc List , Linux Kernel Mailing List , Broadcom Kernel Feedback List , Linux ARM Kernel List Subject: [PATCH v2 1/5] Documentation: dt: Add Kona PWM binding Date: Tue, 4 Feb 2014 11:51:39 -0800 Message-ID: <1391543503-14773-2-git-send-email-tim.kryger@linaro.org> X-Mailer: git-send-email 1.8.0.1 In-Reply-To: <1391543503-14773-1-git-send-email-tim.kryger@linaro.org> References: <1391543503-14773-1-git-send-email-tim.kryger@linaro.org> MIME-Version: 1.0 Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Add the binding description for the Kona PWM controller found on Broadcom's mobile SoCs. Signed-off-by: Tim Kryger Reviewed-by: Alex Elder Reviewed-by: Markus Mayer --- .../devicetree/bindings/pwm/bcm-kona-pwm.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt diff --git a/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt new file mode 100644 index 0000000..c8e2d13 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/bcm-kona-pwm.txt @@ -0,0 +1,24 @@ +Broadcom Kona PWM controller device tree bindings + +This controller has 6 channels. + +Required Properties : +- compatible: should be "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. The first cell specifies the per-chip index + of the PWM to use, the second cell is the period in nanoseconds, and + the third cell is the flags. + +Refer to pwm/pwm.txt for generic pwm controller node properties. + +Refer to clocks/clock-bindings.txt for generic clock consumer properties. + +Example: + +pwm: pwm@3e01a000 { + compatible = "brcm,bcm11351-pwm", "brcm,kona-pwm"; + reg = <0x3e01a000 0xc4>; + clocks = <&pwm_clk>; + #pwm-cells = <3>; +};