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[173.57.21.86]) by smtp.gmail.com with ESMTPSA id wq3sm5833033pac.44.2016.03.07.11.52.14 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 07 Mar 2016 11:52:16 -0800 (PST) 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-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 */ };