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dt-bindings: arm: mediatek: mmsys: add power and gce properties

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Power:
1. Add description for power-domains property.

GCE:
1. Add description for mboxes property.
2. Add description for mediatek,gce-client-reg property.

Signed-off-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Link: https://lore.kernel.org/r/20220419033237.23405-2-rex-bc.chen@mediatek.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
This commit is contained in:
jason-jh.lin 2022-04-19 11:32:33 +08:00 committed by Matthias Brugger
parent 9d7370a56d
commit 1da90b8a7b
1 changed files with 31 additions and 0 deletions
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31
Documentation/devicetree/bindings/arm/mediatek/mediatek,mmsys.yaml
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@ -41,6 +41,30 @@ properties:
reg:
maxItems: 1
power-domains:
description:
A phandle and PM domain specifier as defined by bindings
of the power controller specified by phandle. See
Documentation/devicetree/bindings/power/power-domain.yaml for details.
mboxes:
description:
Using mailbox to communicate with GCE, it should have this
property and list of phandle, mailbox specifiers. See
Documentation/devicetree/bindings/mailbox/mtk-gce.txt for details.
$ref: /schemas/types.yaml#/definitions/phandle-array
mediatek,gce-client-reg:
description:
The register of client driver can be configured by gce with 4 arguments
defined in this property, such as phandle of gce, subsys id,
register offset and size.
Each subsys id is mapping to a base address of display function blocks
register which is defined in the gce header
include/dt-bindings/gce/<chip>-gce.h.
$ref: /schemas/types.yaml#/definitions/phandle-array
maxItems: 1
"#clock-cells":
const: 1
@ -56,9 +80,16 @@ additionalProperties: false
examples:
- |
#include <dt-bindings/power/mt8173-power.h>
#include <dt-bindings/gce/mt8173-gce.h>
mmsys: syscon@14000000 {
compatible = "mediatek,mt8173-mmsys", "syscon";
reg = <0x14000000 0x1000>;
power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
#clock-cells = <1>;
#reset-cells = <1>;
mboxes = <&gce 0 CMDQ_THR_PRIO_HIGHEST>,
<&gce 1 CMDQ_THR_PRIO_HIGHEST>;
mediatek,gce-client-reg = <&gce SUBSYS_1400XXXX 0 0x1000>;
};