Commit 67140ed1 authored by Suman Anna's avatar Suman Anna Committed by Ohad Ben-Cohen

Documentation: dt: add the omap hwspinlock bindings document

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 <robh+dt@kernel.org>
Signed-off-by: default avatarSuman Anna <s-anna@ti.com>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarOhad Ben-Cohen <ohad@wizery.com>
parent fb7737e9
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.
Please look at the generic hwlock binding for usage information for consumers,
"Documentation/devicetree/bindings/hwlock/hwlock.txt"
Example:
/* OMAP4 */
hwspinlock: spinlock@4a0f6000 {
compatible = "ti,omap4-hwspinlock";
reg = <0x4a0f6000 0x1000>;
ti,hwmods = "spinlock";
#hwlock-cells = <1>;
};
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