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# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/hwlock/ti,omap-hwspinlock.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: TI HwSpinlock for OMAP and K3 based SoCs
maintainers:
- Suman Anna <s-anna@ti.com>
properties:
compatible:
enum:
- ti,omap4-hwspinlock # for OMAP44xx, OMAP54xx, AM33xx, AM43xx, DRA7xx SoCs
- ti,am654-hwspinlock # for K3 AM65x, J721E and J7200 SoCs
reg:
maxItems: 1
"#hwlock-cells":
const: 1
description: |
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"
required:
- compatible
- reg
- "#hwlock-cells"
additionalProperties: false
examples:
- |
/* OMAP4 SoCs */
hwspinlock: spinlock@4a0f6000 {
compatible = "ti,omap4-hwspinlock";
reg = <0x4a0f6000 0x1000>;
#hwlock-cells = <1>;
};
- |
/ {
/* K3 AM65x SoCs */
model = "Texas Instruments K3 AM654 SoC";
compatible = "ti,am654-evm", "ti,am654";
#address-cells = <2>;
#size-cells = <2>;
bus@100000 {
compatible = "simple-bus";
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
<0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>; /* Main NavSS */
bus@30800000 {
compatible = "simple-mfd";
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>;
spinlock@30e00000 {
compatible = "ti,am654-hwspinlock";
reg = <0x00 0x30e00000 0x00 0x1000>;
#hwlock-cells = <1>;
};
};
};
};
|
