From mboxrd@z Thu Jan 1 00:00:00 1970 From: Suman Anna Subject: [PATCHv4 2/7] Documentation: dt: add the omap hwspinlock bindings document Date: Mon, 13 Jan 2014 18:19:19 -0600 Message-ID: <1389658764-39199-3-git-send-email-s-anna@ti.com> References: <1389658764-39199-1-git-send-email-s-anna@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1389658764-39199-1-git-send-email-s-anna@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Ohad Ben-Cohen , Mark Rutland Cc: Tony Lindgren , Kumar Gala , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Suman Anna , Rob Herring List-Id: devicetree@vger.kernel.org HwSpinlock IP is present only on OMAP4 and other newer SoCs, which are all device-tree boot only. This patch adds the DT bindings information for OMAP hwspinlock module. Cc: Rob Herring Signed-off-by: Suman Anna --- .../devicetree/bindings/hwlock/omap-hwspinlock.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt diff --git a/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt b/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt new file mode 100644 index 0000000..568eae2 --- /dev/null +++ b/Documentation/devicetree/bindings/hwlock/omap-hwspinlock.txt @@ -0,0 +1,24 @@ +OMAP4+ HwSpinlock Driver +======================== + +Required properties: +- compatible: Should be "ti,omap4-hwspinlock" for + OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs +- reg: Contains the hwspinlock module register address space + (base address and length) +- ti,hwmods: Name of the hwmod associated with the hwspinlock device +- #hwlock-cells: Should be 1. The OMAP hwspinlock users will use a + 0-indexed relative hwlock number as the argument + specifier value for requesting a specific hwspinlock + within a hwspinlock bank. + + +Example: + +/* OMAP4 */ +hwspinlock: spinlock@4a0f6000 { + compatible = "ti,omap4-hwspinlock"; + reg = <0x4a0f6000 0x1000>; + ti,hwmods = "spinlock"; + #hwlock-cells = <1>; +}; -- 1.8.4.3