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Message-ID: <20220110134416.5191-2-chun-jie.chen@mediatek.com>
Date: Mon, 10 Jan 2022 21:44:01 +0800
From: Chun-Jie Chen <chun-jie.chen@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>,
Stephen Boyd <sboyd@...nel.org>,
Nicolas Boichat <drinkcat@...omium.org>,
Rob Herring <robh+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <linux-clk@...r.kernel.org>,
<devicetree@...r.kernel.org>, <srv_heupstream@...iatek.com>,
<Project_Global_Chrome_Upstream_Group@...iatek.com>,
Chun-Jie Chen <chun-jie.chen@...iatek.com>
Subject: [v1 01/16] dt-bindings: ARM: Mediatek: Add new document bindings of MT8186 clock
This patch adds the new binding documentation for system clock
and functional clock on Mediatek MT8186.
Signed-off-by: Chun-Jie Chen <chun-jie.chen@...iatek.com>
---
.../arm/mediatek/mediatek,mt8186-clock.yaml | 133 ++++++++++++++++++
.../mediatek/mediatek,mt8186-sys-clock.yaml | 74 ++++++++++
2 files changed, 207 insertions(+)
create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-clock.yaml
create mode 100644 Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-sys-clock.yaml
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-clock.yaml
new file mode 100644
index 000000000000..fc39101bc9b0
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-clock.yaml
@@ -0,0 +1,133 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt8186-clock.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Mediatek Functional Clock Controller for MT8186
+
+maintainers:
+ - 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,mt8186-imp_iic_wrap
+ - mediatek,mt8186-mfgsys
+ - mediatek,mt8186-wpesys
+ - mediatek,mt8186-imgsys1
+ - mediatek,mt8186-imgsys2
+ - mediatek,mt8186-vdecsys
+ - mediatek,mt8186-vencsys
+ - mediatek,mt8186-camsys
+ - mediatek,mt8186-camsys_rawa
+ - mediatek,mt8186-camsys_rawb
+ - mediatek,mt8186-mdpsys
+ - mediatek,mt8186-ipesys
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ imp_iic_wrap: clock-controller@...17000 {
+ compatible = "mediatek,mt8186-imp_iic_wrap";
+ reg = <0x11017000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ mfgsys: clock-controller@...00000 {
+ compatible = "mediatek,mt8186-mfgsys";
+ reg = <0x13000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ wpesys: clock-controller@...20000 {
+ compatible = "mediatek,mt8186-wpesys";
+ reg = <0x14020000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ imgsys1: clock-controller@...20000 {
+ compatible = "mediatek,mt8186-imgsys1";
+ reg = <0x15020000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ imgsys2: clock-controller@...20000 {
+ compatible = "mediatek,mt8186-imgsys2";
+ reg = <0x15820000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ vdecsys: clock-controller@...2f000 {
+ compatible = "mediatek,mt8186-vdecsys";
+ reg = <0x1602f000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ vencsys: clock-controller@...00000 {
+ compatible = "mediatek,mt8186-vencsys";
+ reg = <0x17000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ camsys: clock-controller@...00000 {
+ compatible = "mediatek,mt8186-camsys";
+ reg = <0x1a000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ camsys_rawa: clock-controller@...4f000 {
+ compatible = "mediatek,mt8186-camsys_rawa";
+ reg = <0x1a04f000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ camsys_rawb: clock-controller@...6f000 {
+ compatible = "mediatek,mt8186-camsys_rawb";
+ reg = <0x1a06f000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ mdpsys: clock-controller@...00000 {
+ compatible = "mediatek,mt8186-mdpsys";
+ reg = <0x1b000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ ipesys: clock-controller@...00000 {
+ compatible = "mediatek,mt8186-ipesys";
+ reg = <0x1c000000 0x1000>;
+ #clock-cells = <1>;
+ };
diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-sys-clock.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-sys-clock.yaml
new file mode 100644
index 000000000000..11473971a165
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,mt8186-sys-clock.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/arm/mediatek/mediatek,mt8186-sys-clock.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Mediatek System Clock Controller for MT8186
+
+maintainers:
+ - Chun-Jie Chen <chun-jie.chen@...iatek.com>
+
+description:
+ The clock architecture in Mediatek like below
+ PLLs -->
+ dividers -->
+ muxes
+ -->
+ clock gate
+
+ The apmixedsys provides most of PLLs which generated from SoC 26m.
+ The topckgen provides dividers and muxes which provide the clock source to other IP blocks.
+ The infracfg_ao provides clock gate in peripheral and infrastructure IP blocks.
+ The mcusys provides mux control to select the clock source in AP MCU.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,mt8186-mcusys
+ - mediatek,mt8186-topckgen
+ - mediatek,mt8186-infracfg_ao
+ - mediatek,mt8186-apmixedsys
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ mcusys: syscon@...a000 {
+ compatible = "mediatek,mt8186-mcusys", "syscon";
+ reg = <0xc53a000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ topckgen: syscon@...00000 {
+ compatible = "mediatek,mt8186-topckgen", "syscon";
+ reg = <0x10000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ infracfg_ao: syscon@...01000 {
+ compatible = "mediatek,mt8186-infracfg_ao", "syscon";
+ reg = <0x10001000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ - |
+ apmixedsys: syscon@...0c000 {
+ compatible = "mediatek,mt8186-apmixedsys", "syscon";
+ reg = <0x1000c000 0x1000>;
+ #clock-cells = <1>;
+ };
--
2.18.0
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