[PATCH 4/5] dt-bindings: arm: mediatek: Add clock driver bindings for MT6795

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
---
 .../arm/mediatek/mediatek,mt6795-clock.yaml   | 67 +++++++++++++++++
 .../mediatek/mediatek,mt6795-sys-clock.yaml   | 73 +++++++++++++++++++
 2 files changed, 140 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-clock.yaml
 create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-sys-clock.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-clock.yaml
new file mode 100644
index 000000000000..b7d96d0ed867
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-clock.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt6795-clock.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: MediaTek Functional Clock Controller for MT6795
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
+  - Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
+
+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:
+    items:
+      - enum:
+          - mediatek,mt6795-mfgcfg
+          - mediatek,mt6795-vdecsys
+          - mediatek,mt6795-vencsys
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@13000000 {
+            compatible = "mediatek,mt6795-mfgcfg";
+            reg = <0 0x13000000 0 0x1000>;
+            #clock-cells = <1>;
+        };
+
+        clock-controller@16000000 {
+            compatible = "mediatek,mt6795-vdecsys";
+            reg = <0 0x16000000 0 0x1000>;
+            #clock-cells = <1>;
+        };
+
+        clock-controller@18000000 {
+            compatible = "mediatek,mt6795-vdecsys";
+            reg = <0 0x18000000 0 0x1000>;
+            #clock-cells = <1>;
+        };
+    };
+
+
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-sys-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-sys-clock.yaml
new file mode 100644
index 000000000000..389dd8e245ac
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt6795-sys-clock.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt6795-sys-clock.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: MediaTek System Clock Controller for MT6795
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
+  - Chun-Jie Chen <chun-jie.chen@xxxxxxxxxxxx>
+
+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
+
+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




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux