linux-kernel - [PATCH v9 3/5] dt-bindings: clock: meson: add A1 PLL clock controller bindings

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Date:   Wed, 1 Mar 2023 21:37:57 +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>
Subject: [PATCH v9 3/5] dt-bindings: clock: meson: add A1 PLL clock controller bindings

Add the documentation for Amlogic A1 PLL clock driver, and A1 PLL
clock controller bindings.
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>
---
 .../bindings/clock/amlogic,a1-pll-clkc.yaml   | 59 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 include/dt-bindings/clock/a1-pll-clkc.h       | 20 +++++++
 3 files changed, 80 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
 create mode 100644 include/dt-bindings/clock/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..8bd2c948df86
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
@@ -0,0 +1,59 @@
+# 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 Meson A/C serials 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:
+  - |
+    #include <dt-bindings/clock/a1-clkc.h>
+    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 CLKID_FIXPLL_IN>,
+                     <&clkc_periphs CLKID_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/a1-pll-clkc.h b/include/dt-bindings/clock/a1-pll-clkc.h
new file mode 100644
index 000000000000..3a559518c6e6
--- /dev/null
+++ b/include/dt-bindings/clock/a1-pll-clkc.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * 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