linux-kernel - [PATCH V3 1/6] dt-bindings: clock: meson: add S4 SoC PLL clock controller bindings

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Message-ID: <20220805085716.5635-2-yu.tu@amlogic.com>
Date:   Fri, 5 Aug 2022 16:57:11 +0800
From:   Yu Tu <yu.tu@...ogic.com>
To:     <linux-clk@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
CC:     Yu Tu <yu.tu@...ogic.com>
Subject: [PATCH V3 1/6] dt-bindings: clock: meson: add S4 SoC PLL clock controller bindings

Add the documentation to support Amlogic S4 SoC PLL clock driver and
add S4 SoC PLL clock controller bindings.

Signed-off-by: Yu Tu <yu.tu@...ogic.com>
---
 .../bindings/clock/amlogic,s4-pll-clkc.yaml   | 51 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 .../dt-bindings/clock/amlogic,s4-pll-clkc.h   | 30 +++++++++++
 3 files changed, 82 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml
 create mode 100644 include/dt-bindings/clock/amlogic,s4-pll-clkc.h

diff --git a/Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml
new file mode 100644
index 000000000000..079ae905b69e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/amlogic,s4-pll-clkc.yaml
@@ -0,0 +1,51 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/amlogic,s4-pll-clkc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Amlogic Meson S serials PLL Clock Controller Device Tree Bindings
+
+maintainers:
+  - Neil Armstrong <narmstrong@...libre.com>
+  - Jerome Brunet <jbrunet@...libre.com>
+  - Yu Tu <yu.hu@...ogic.com>
+
+
+properties:
+  compatible:
+    const: amlogic,s4-pll-clkc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: xtal
+
+  "#clock-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - "#clock-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    clkc_pll: pll-clock-controller@...08000 {
+      compatible = "amlogic,s4-pll-clkc";
+      reg = <0xfe008000 0x348>;
+      clocks = <&xtal>;
+      clock-names = "xtal";
+      #clock-cells = <1>;
+    };
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 64379c699903..b039cf953520 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1774,6 +1774,7 @@ L:	linux-amlogic@...ts.infradead.org
 S:	Maintained
 F:	Documentation/devicetree/bindings/clock/amlogic*
 F:	drivers/clk/meson/
+F:	include/dt-bindings/clock/amlogic*
 F:	include/dt-bindings/clock/gxbb*
 F:	include/dt-bindings/clock/meson*
 
diff --git a/include/dt-bindings/clock/amlogic,s4-pll-clkc.h b/include/dt-bindings/clock/amlogic,s4-pll-clkc.h
new file mode 100644
index 000000000000..08b7c5c5ba01
--- /dev/null
+++ b/include/dt-bindings/clock/amlogic,s4-pll-clkc.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
+/*
+ * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
+ * Author: Yu Tu <yu.tu@...ogic.com>
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_AMLOGIC_S4_CLKC_H
+#define _DT_BINDINGS_CLOCK_AMLOGIC_S4_CLKC_H
+
+/*
+ * CLKID index values
+ */
+
+#define CLKID_FIXED_PLL			1
+#define CLKID_FCLK_DIV2			3
+#define CLKID_FCLK_DIV3			5
+#define CLKID_FCLK_DIV4			7
+#define CLKID_FCLK_DIV5			9
+#define CLKID_FCLK_DIV7			11
+#define CLKID_FCLK_DIV2P5		13
+#define CLKID_GP0_PLL			15
+#define CLKID_HIFI_PLL			17
+#define CLKID_HDMI_PLL			20
+#define CLKID_MPLL_50M			22
+#define CLKID_MPLL0			25
+#define CLKID_MPLL1			27
+#define CLKID_MPLL2			29
+#define CLKID_MPLL3			31
+
+#endif /* _DT_BINDINGS_CLOCK_AMLOGIC_S4_CLKC_H */
-- 
2.33.1