linux-kernel - [PATCH v16 3/6] dt-bindings: clock: meson: add A1 PLL clock controller bindings

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Message-ID: <20230523135351.19133-4-ddrokosov@sberdevices.ru>
Date:   Tue, 23 May 2023 16:53:48 +0300
From:   Dmitry Rokosov <ddrokosov@...rdevices.ru>
To:     <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
        <mturquette@...libre.com>, <sboyd@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <khilman@...libre.com>, <martin.blumenstingl@...glemail.com>
CC:     <jian.hu@...ogic.com>, <kernel@...rdevices.ru>,
        <rockosov@...il.com>, <linux-amlogic@...ts.infradead.org>,
        <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Dmitry Rokosov <ddrokosov@...rdevices.ru>,
        Rob Herring <robh@...nel.org>
Subject: [PATCH v16 3/6] dt-bindings: clock: meson: add A1 PLL clock controller bindings

Add the documentation and dt bindings for Amlogic A1 PLL clock
controller.
Also include new A1 clock controller dt bindings to MAINTAINERS.

Signed-off-by: Jian Hu <jian.hu@...ogic.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@...rdevices.ru>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 .../bindings/clock/amlogic,a1-pll-clkc.yaml   | 58 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 .../dt-bindings/clock/amlogic,a1-pll-clkc.h   | 20 +++++++
 3 files changed, 79 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
 create mode 100644 include/dt-bindings/clock/amlogic,a1-pll-clkc.h

diff --git a/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
new file mode 100644
index 000000000000..5c6fa620a63c
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/amlogic,a1-pll-clkc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic A1 PLL Clock Control Unit
+
+maintainers:
+  - Neil Armstrong <neil.armstrong@...aro.org>
+  - Jerome Brunet <jbrunet@...libre.com>
+  - Jian Hu <jian.hu@...n.hu.com>
+  - Dmitry Rokosov <ddrokosov@...rdevices.ru>
+
+properties:
+  compatible:
+    const: amlogic,a1-pll-clkc
+
+  '#clock-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: input fixpll_in
+      - description: input hifipll_in
+
+  clock-names:
+    items:
+      - const: fixpll_in
+      - const: hifipll_in
+
+required:
+  - compatible
+  - '#clock-cells'
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    apb {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@...0 {
+            compatible = "amlogic,a1-pll-clkc";
+            reg = <0 0x7c80 0 0x18c>;
+            #clock-cells = <1>;
+            clocks = <&clkc_periphs_fixpll_in>,
+                     <&clkc_periphs_hifipll_in>;
+            clock-names = "fixpll_in", "hifipll_in";
+        };
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index 39ff1a717625..8438bc9bd636 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1895,6 +1895,7 @@ L:	linux-amlogic@...ts.infradead.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/clock/amlogic*
 F:	drivers/clk/meson/
+F:	include/dt-bindings/clock/a1*
 F:	include/dt-bindings/clock/gxbb*
 F:	include/dt-bindings/clock/meson*
 
diff --git a/include/dt-bindings/clock/amlogic,a1-pll-clkc.h b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
new file mode 100644
index 000000000000..01fb8164ac29
--- /dev/null
+++ b/include/dt-bindings/clock/amlogic,a1-pll-clkc.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ * Author: Jian Hu <jian.hu@...ogic.com>
+ *
+ * Copyright (c) 2023, SberDevices. All Rights Reserved.
+ * Author: Dmitry Rokosov <ddrokosov@...rdevices.ru>
+ */
+
+#ifndef __A1_PLL_CLKC_H
+#define __A1_PLL_CLKC_H
+
+#define CLKID_FIXED_PLL		1
+#define CLKID_FCLK_DIV2		6
+#define CLKID_FCLK_DIV3		7
+#define CLKID_FCLK_DIV5		8
+#define CLKID_FCLK_DIV7		9
+#define CLKID_HIFI_PLL		10
+
+#endif /* __A1_PLL_CLKC_H */
-- 
2.36.0