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Date: Fri, 13 May 2022 18:50:49 +0200
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
To: robh+dt@...nel.org
Cc: krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
mturquette@...libre.com, sboyd@...nel.org, p.zabel@...gutronix.de,
y.oudjana@...tonmail.com, angelogioacchino.delregno@...labora.com,
jason-jh.lin@...iatek.com, ck.hu@...iatek.com,
fparent@...libre.com, rex-bc.chen@...iatek.com,
tinghan.shen@...iatek.com, chun-jie.chen@...iatek.com,
weiyi.lu@...iatek.com, ikjn@...omium.org, miles.chen@...iatek.com,
sam.shih@...iatek.com, wenst@...omium.org,
bgolaszewski@...libre.com, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-clk@...r.kernel.org,
konrad.dybcio@...ainline.org, marijn.suijten@...ainline.org,
martin.botka@...ainline.org, ~postmarketos/upstreaming@...ts.sr.ht,
phone-devel@...r.kernel.org, paul.bouchara@...ainline.org,
kernel@...labora.com
Subject: [PATCH 4/5] dt-bindings: arm: mediatek: Add clock driver bindings for MT6795
Add the bindings for the clock drivers of the MediaTek Helio X10
MT6795 SoC.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
.../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@...labora.com>
+ - Chun-Jie Chen <chun-jie.chen@...iatek.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:
+ 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@...00000 {
+ compatible = "mediatek,mt6795-mfgcfg";
+ reg = <0 0x13000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ clock-controller@...00000 {
+ compatible = "mediatek,mt6795-vdecsys";
+ reg = <0 0x16000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ clock-controller@...00000 {
+ 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@...labora.com>
+ - Chun-Jie Chen <chun-jie.chen@...iatek.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
+
+additionalProperties: false
+
+examples:
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ topckgen: clock-controller@...00000 {
+ compatible = "mediatek,mt6795-topckgen", "syscon";
+ reg = <0 0x10000000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ infracfg: power-controller@...01000 {
+ compatible = "mediatek,mt6795-infracfg", "syscon";
+ reg = <0 0x10001000 0 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ }
+
+ pericfg: power-controller@...03000 {
+ compatible = "mediatek,mt6795-pericfg", "syscon";
+ reg = <0 0x10003000 0 0x1000>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
+ apmixedsys: clock-controller@...09000 {
+ compatible = "mediatek,mt6795-apmixedsys", "syscon";
+ reg = <0 0x10209000 0 0x1000>;
+ #clock-cells = <1>;
+ };
+ };
--
2.35.1
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