[PATCH v2 4/7] dt-bindings: clock: mediatek: Add clock driver bindings for MT6795

AngeloGioacchino Del Regno
2022-05-18T11:17:49Z

Add the bindings for the clock drivers of the MediaTek Helio X10
MT6795 SoC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
.../bindings/clock/mediatek,mt6795-clock.yaml | 66 +++++++++++++++++
.../clock/mediatek,mt6795-sys-clock.yaml | 74 +++++++++++++++++++
2 files changed, 140 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt6795-clock.yaml
create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt6795-sys-clock.yaml

diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt6795-clock.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt6795-clock.yaml
new file mode 100644
index 000000000000..795fb18721c3
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/mediatek,mt6795-clock.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/clock/mediatek,mt6795-clock.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek Functional Clock Controller for MT6795
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ - Chun-Jie Chen <chun-jie.chen@mediatek.com>
+
+description: |
+ The clock architecture in MediaTek like below
+ PLLs -->
+ dividers -->
+ muxes
+ -->
+ clock gate
+
+ The devices provide clock gate control in different IP blocks.
+
+properties:
+ compatible:
+ enum:
+ - mediatek,mt6795-mfgcfg
+ - mediatek,mt6795-vdecsys
+ - mediatek,mt6795-vencsys
+
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ mfgcfg: clock-controller@13000000 {
+ compatible = "mediatek,mt6795-mfgcfg";
+ reg = <0 0x13000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ vdecsys: clock-controller@16000000 {
+ compatible = "mediatek,mt6795-vdecsys";
+ reg = <0 0x16000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ vencsys: clock-controller@18000000 {
+ compatible = "mediatek,mt6795-vencsys";
+ reg = <0 0x18000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt6795-sys-clock.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt6795-sys-clock.yaml
new file mode 100644
index 000000000000..bfe38236b770
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/mediatek,mt6795-sys-clock.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/clock/mediatek,mt6795-sys-clock.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek System Clock Controller for MT6795
+
+maintainers:
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ - Chun-Jie Chen <chun-jie.chen@mediatek.com>
+
+description:
+ The Mediatek system clock controller provides various clocks and system configuration
+ like reset and bus protection on MT6795.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt6795-apmixedsys
+ - mediatek,mt6795-infracfg
+ - mediatek,mt6795-pericfg
+ - mediatek,mt6795-topckgen
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+ - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ topckgen: clock-controller@10000000 {
+ compatible = "mediatek,mt6795-topckgen", "syscon";
+ reg = <0 0x10000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ infracfg: power-controller@10001000 {
+ compatible = "mediatek,mt6795-infracfg", "syscon";
+ reg = <0 0x10001000 0 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ }
+
+ pericfg: power-controller@10003000 {
+ compatible = "mediatek,mt6795-pericfg", "syscon";
+ reg = <0 0x10003000 0 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ apmixedsys: clock-controller@10209000 {
+ compatible = "mediatek,mt6795-apmixedsys", "syscon";
+ reg = <0 0x10209000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+ };
--
2.35.1