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Message-ID: <20230508104801.445261-3-claudiu.beznea@microchip.com>
Date: Mon, 8 May 2023 13:47:58 +0300
From: Claudiu Beznea <claudiu.beznea@...rochip.com>
To: <mturquette@...libre.com>, <sboyd@...nel.org>,
<robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
<claudiu.beznea@...rochip.com>
CC: <linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v2 2/5] dt-bindings: clocks: atmel,at91rm9200-pmc: convert to yaml
Convert Atmel PMC documentation to yaml.
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
.../devicetree/bindings/clock/at91-clock.txt | 28 ----
.../bindings/clock/atmel,at91rm9200-pmc.yaml | 154 ++++++++++++++++++
2 files changed, 154 insertions(+), 28 deletions(-)
create mode 100644 Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml
diff --git a/Documentation/devicetree/bindings/clock/at91-clock.txt b/Documentation/devicetree/bindings/clock/at91-clock.txt
index 13f45db3b66d..57394785d3b0 100644
--- a/Documentation/devicetree/bindings/clock/at91-clock.txt
+++ b/Documentation/devicetree/bindings/clock/at91-clock.txt
@@ -28,31 +28,3 @@ For example:
#clock-cells = <0>;
};
-Power Management Controller (PMC):
-
-Required properties:
-- compatible : shall be "atmel,<chip>-pmc", "syscon" or
- "microchip,sam9x60-pmc"
- <chip> can be: at91rm9200, at91sam9260, at91sam9261,
- at91sam9263, at91sam9g45, at91sam9n12, at91sam9rl, at91sam9g15,
- at91sam9g25, at91sam9g35, at91sam9x25, at91sam9x35, at91sam9x5,
- sama5d2, sama5d3 or sama5d4.
-- #clock-cells : from common clock binding; shall be set to 2. The first entry
- is the type of the clock (core, system, peripheral or generated) and the
- second entry its index as provided by the datasheet
-- clocks : Must contain an entry for each entry in clock-names.
-- clock-names: Must include the following entries: "slow_clk", "main_xtal"
-
-Optional properties:
-- atmel,osc-bypass : boolean property. Set this when a clock signal is directly
- provided on XIN.
-
-For example:
- pmc: pmc@...18000 {
- compatible = "atmel,sama5d4-pmc", "syscon";
- reg = <0xf0018000 0x120>;
- interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
- #clock-cells = <2>;
- clocks = <&clk32k>, <&main_xtal>;
- clock-names = "slow_clk", "main_xtal";
- };
diff --git a/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml b/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml
new file mode 100644
index 000000000000..58b702520600
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml
@@ -0,0 +1,154 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/atmel,at91rm9200-pmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel Power Management Controller (PMC)
+
+maintainers:
+ - Claudiu Beznea <claudiu.beznea@...rochip.com>
+
+description:
+ The power management controller optimizes power consumption by controlling all
+ system and user peripheral clocks. The PMC enables/disables the clock inputs
+ to many of the peripherals and to the processor.
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - const: atmel,at91sam9260-pmc
+ - const: syscon
+ - items:
+ - enum:
+ - atmel,at91sam9g15-pmc
+ - atmel,at91sam9g20-pmc
+ - atmel,at91sam9g25-pmc
+ - atmel,at91sam9g35-pmc
+ - atmel,at91sam9x25-pmc
+ - atmel,at91sam9x35-pmc
+ - enum:
+ - atmel,at91sam9260-pmc
+ - atmel,at91sam9x5-pmc
+ - const: syscon
+ - items:
+ - enum:
+ - atmel,at91rm9200-pmc
+ - atmel,at91sam9g45-pmc
+ - atmel,at91sam9n12-pmc
+ - atmel,at91sam9rl-pmc
+ - atmel,sama5d2-pmc
+ - atmel,sama5d3-pmc
+ - atmel,sama5d4-pmc
+ - microchip,sam9x60-pmc
+ - microchip,sama7g5-pmc
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ "#clock-cells":
+ description: |
+ - 1st cell is the clock type, one of PMC_TYPE_CORE, PMC_TYPE_SYSTEM,
+ PMC_TYPE_PERIPHERAL, PMC_TYPE_GCK, PMC_TYPE_PROGRAMMABLE (as defined
+ in <dt-bindings/clock/at91.h>)
+ - 2nd cell is the clock identifier as defined in <dt-bindings/clock/at91.h
+ (for core clocks) or as defined in datasheet (for system, peripheral,
+ gck and programmable clocks).
+ const: 2
+
+ clocks:
+ minItems: 2
+ maxItems: 3
+
+ clock-names:
+ minItems: 2
+ maxItems: 3
+
+ atmel,osc-bypass:
+ description: set when a clock signal is directly provided on XIN
+ type: boolean
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - "#clock-cells"
+ - clocks
+ - clock-names
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - microchip,sam9x60-pmc
+ - microchip,sama7g5-pmc
+ then:
+ properties:
+ clocks:
+ minItems: 3
+ maxItems: 3
+ clock-names:
+ items:
+ - const: td_slck
+ - const: md_slck
+ - const: main_xtal
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - atmel,at91rm9200-pmc
+ - atmel,at91sam9260-pmc
+ - atmel,at91sam9g20-pmc
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ maxItems: 2
+ clock-names:
+ items:
+ - const: slow_xtal
+ - const: main_xtal
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - atmel,sama5d4-pmc
+ - atmel,sama5d3-pmc
+ - atmel,sama5d2-pmc
+ then:
+ properties:
+ clocks:
+ minItems: 2
+ maxItems: 2
+ clock-names:
+ items:
+ - const: slow_clk
+ - const: main_xtal
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ pmc: clock-controller@...18000 {
+ compatible = "atmel,sama5d4-pmc", "syscon";
+ reg = <0xf0018000 0x120>;
+ interrupts = <1 IRQ_TYPE_LEVEL_HIGH 7>;
+ #clock-cells = <2>;
+ clocks = <&clk32k>, <&main_xtal>;
+ clock-names = "slow_clk", "main_xtal";
+ };
+
+...
--
2.34.1
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