[PATCH v7 1/5] dt-bindings: clock: meson: add A1 PLL clock controller bindings

Jian Hu jian.hu at amlogic.com
Sun Jan 19 19:49:33 PST 2020


Add the documentation to support Amlogic A1 PLL clock driver,
and add A1 PLL clock controller bindings.

Signed-off-by: Jian Hu <jian.hu at amlogic.com>
---
 .../bindings/clock/amlogic,a1-pll-clkc.yaml   | 52 +++++++++++++++++++
 include/dt-bindings/clock/a1-pll-clkc.h       | 16 ++++++
 2 files changed, 68 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..d67250fbeece
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/amlogic,a1-pll-clkc.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/amlogic,a1-pll-clkc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Amlogic Meson A/C serials PLL Clock Control Unit Device Tree Bindings
+
+maintainers:
+  - Neil Armstrong <narmstrong at baylibre.com>
+  - Jerome Brunet <jbrunet at baylibre.com>
+  - Jian Hu <jian.hu at jian.hu.com>
+
+properties:
+  compatible:
+    const: amlogic,a1-pll-clkc
+
+  "#clock-cells":
+    const: 1
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+     - description: input xtal_fixpll
+     - description: input xtal_hifipll
+
+  clock-names:
+    items:
+      - const: xtal_fixpll
+      - const: xtal_hifipll
+
+required:
+  - compatible
+  - "#clock-cells"
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    clkc_pll: pll-clock-controller at 7c80 {
+                compatible = "amlogic,a1-pll-clkc";
+                reg = <0 0x7c80 0 0x18c>;
+                #clock-cells = <1>;
+                clocks = <&clkc_periphs 1>,
+                         <&clkc_periphs 4>;
+                clock-names = "xtal_fixpll", "xtal_hifipll";
+    };
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..58eae237e503
--- /dev/null
+++ b/include/dt-bindings/clock/a1-pll-clkc.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2019 Amlogic, Inc. All rights reserved.
+ */
+
+#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 */
-- 
2.24.0




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