Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753800AbcCGTwk (ORCPT ); Mon, 7 Mar 2016 14:52:40 -0500 Received: from mail-pf0-f196.google.com ([209.85.192.196]:36320 "EHLO mail-pf0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753637AbcCGTwR (ORCPT ); Mon, 7 Mar 2016 14:52:17 -0500 From: Franklin S Cooper Jr To: thierry.reding@gmail.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, bcousson@baylibre.com, tony@atomide.com, linux@arm.linux.org.uk, t-kristo@ti.com, mturquette@baylibre.com, sboyd@codeaurora.org, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Cc: Franklin S Cooper Jr Subject: [PATCH 4/5] pwm: pwm-tipwmss: Update documentation to use empty range property Date: Mon, 7 Mar 2016 13:51:57 -0600 Message-Id: <1457380318-15452-5-git-send-email-fcooper@ti.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1457380318-15452-1-git-send-email-fcooper@ti.com> References: <1457380318-15452-1-git-send-email-fcooper@ti.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1687 Lines: 41 Since the PWMSS and its subdevices (eCAP and ePWM) use the same address space then the range property should be empty. Update the documentation to show the correct usage. Signed-off-by: Franklin S Cooper Jr --- Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt index f7eae77..672fa71 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-tipwmss.txt @@ -7,11 +7,9 @@ Required properties: Should set to 1. - size-cells: specify number of u32 entries needed to specify child nodes size in reg property. Should set to 1. -- ranges: describes the address mapping of a memory-mapped bus. Should set to - physical address map of child's base address, physical address within - parent's address space and length of the address map. For am33xx, - 3 set of child register maps present, ECAP register space, EQEP - register space, EHRPWM register space. +- ranges: describes the address mapping of a memory-mapped bus. Its value + should be empty since no address translation is needed between the + parent and the child. Also child nodes should also populated under PWMSS DT node. @@ -23,9 +21,7 @@ pwmss0: pwmss@48300000 { #address-cells = <1>; #size-cells = <1>; status = "disabled"; - ranges = <0x48300100 0x48300100 0x80 /* ECAP */ - 0x48300180 0x48300180 0x80 /* EQEP */ - 0x48300200 0x48300200 0x80>; /* EHRPWM */ + ranges; /* child nodes go here */ }; -- 2.7.0