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From: Claudiu Beznea <claudiu.beznea@microchip.com>
To: <robh+dt@kernel.org>, <nicolas.ferre@microchip.com>,
	<alexandre.belloni@bootlin.com>, <p.zabel@pengutronix.de>,
	<linux@armlinux.org.uk>, <sre@kernel.org>,
	<linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
	Claudiu Beznea <claudiu.beznea@microchip.com>,
	Rob Herring <robh@kernel.org>
Subject: [PATCH v2 02/10] dt-bindings: reset: convert Atmel/Microchip reset controller to YAML
Date: Thu, 7 Apr 2022 10:17:00 +0300	[thread overview]
Message-ID: <20220407071708.3848812-3-claudiu.beznea@microchip.com> (raw)
In-Reply-To: <20220407071708.3848812-1-claudiu.beznea@microchip.com>

Convert Atmel/Microchip reset controller to YAML.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../devicetree/bindings/arm/atmel-sysregs.txt | 15 ------
 .../reset/atmel,at91sam9260-reset.yaml        | 49 +++++++++++++++++++
 2 files changed, 49 insertions(+), 15 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml

diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
index 16eef600d599..ab1b352344ae 100644
--- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
+++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt
@@ -25,21 +25,6 @@ System Timer (ST) required properties:
 Its subnodes can be:
 - watchdog: compatible should be "atmel,at91rm9200-wdt"
 
-RSTC Reset Controller required properties:
-- compatible: Should be "atmel,<chip>-rstc".
-  <chip> can be "at91sam9260", "at91sam9g45", "sama5d3" or "samx7"
-  it also can be "microchip,sam9x60-rstc"
-- reg: Should contain registers location and length
-- clocks: phandle to input clock.
-
-Example:
-
-	rstc@fffffd00 {
-		compatible = "atmel,at91sam9260-rstc";
-		reg = <0xfffffd00 0x10>;
-		clocks = <&clk32k>;
-	};
-
 RAMC SDRAM/DDR Controller required properties:
 - compatible: Should be "atmel,at91rm9200-sdramc", "syscon"
 			"atmel,at91sam9260-sdramc",
diff --git a/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
new file mode 100644
index 000000000000..34c40b875e20
--- /dev/null
+++ b/Documentation/devicetree/bindings/reset/atmel,at91sam9260-reset.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/atmel,at91sam9260-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Atmel/Microchip System Reset Controller
+
+maintainers:
+  - Claudiu Beznea <claudiu.beznea@microchip.com>
+
+description: |
+  The system reset controller can be used to reset the CPU.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - atmel,at91sam9260-rstc
+              - atmel,at91sam9g45-rstc
+              - atmel,sama5d3-rstc
+              - microchip,sam9x60-rstc
+      - items:
+          - const: atmel,sama5d3-rstc
+          - const: atmel,at91sam9g45-rstc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/at91.h>
+
+    reset-controller@fffffd00 {
+        compatible = "atmel,at91sam9260-rstc";
+        reg = <0xfffffd00 0x10>;
+        clocks = <&pmc PMC_TYPE_CORE PMC_SLOW>;
+    };
-- 
2.32.0


  parent reply	other threads:[~2022-04-07  7:15 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07  7:16 [PATCH v2 00/10] power: reset: at91-reset: add support for sama7g5 Claudiu Beznea
2022-04-07  7:16 ` [PATCH v2 01/10] ARM: dts: at91: use generic name for reset controller Claudiu Beznea
2022-04-07  9:47   ` Philipp Zabel
2022-04-07  7:17 ` Claudiu Beznea [this message]
2022-04-07  7:17 ` [PATCH v2 03/10] dt-bindings: reset: atmel,at91sam9260-reset: add sama7g5 bindings Claudiu Beznea
2022-04-07  7:17 ` [PATCH v2 04/10] dt-bindings: reset: add sama7g5 definitions Claudiu Beznea
2022-04-07  9:47   ` Philipp Zabel
2022-04-07  7:17 ` [PATCH v2 05/10] power: reset: at91-reset: document structures and enums Claudiu Beznea
2022-04-07  7:17 ` [PATCH v2 06/10] power: reset: at91-reset: add at91_reset_data Claudiu Beznea
2022-04-07  7:17 ` [PATCH v2 07/10] power: reset: at91-reset: add reset_controller_dev support Claudiu Beznea
2022-04-07  9:46   ` Philipp Zabel
2022-04-07  7:17 ` [PATCH v2 08/10] power: reset: at91-reset: add support for SAMA7G5 Claudiu Beznea
2022-04-07  7:17 ` [PATCH v2 09/10] ARM: dts: at91: sama7g5: add reset-controller node Claudiu Beznea
2022-04-07  7:17 ` [PATCH v2 10/10] ARM: configs: sama7: enable CONFIG_RESET_CONTROLLER Claudiu Beznea

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