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Date: Wed, 26 Jan 2022 16:00:21 +0000
From: Corentin Labbe <clabbe@...libre.com>
To: daniel.lezcano@...aro.org, robh+dt@...nel.org, tglx@...utronix.de
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Corentin Labbe <clabbe@...libre.com>
Subject: [PATCH v2] dt-bindings: timer: Convert faraday,fttmr010 to yaml
Converts timer/faraday,fttmr010.txt to yaml.
Signed-off-by: Corentin Labbe <clabbe@...libre.com>
---
Changes since v1:
- added moxart example
- relaxed some contraints as driver only support one clock and one
interrupt (as used by moxa,moxart-timer)
.../bindings/timer/faraday,fttmr010.txt | 38 --------
.../bindings/timer/faraday,fttmr010.yaml | 88 +++++++++++++++++++
2 files changed, 88 insertions(+), 38 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/timer/faraday,fttmr010.txt
create mode 100644 Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml
diff --git a/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt b/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt
deleted file mode 100644
index 3cb2f4c98d64..000000000000
--- a/Documentation/devicetree/bindings/timer/faraday,fttmr010.txt
+++ /dev/null
@@ -1,38 +0,0 @@
-Faraday Technology timer
-
-This timer is a generic IP block from Faraday Technology, embedded in the
-Cortina Systems Gemini SoCs and other designs.
-
-Required properties:
-
-- compatible : Must be one of
- "faraday,fttmr010"
- "cortina,gemini-timer", "faraday,fttmr010"
- "moxa,moxart-timer", "faraday,fttmr010"
- "aspeed,ast2400-timer"
- "aspeed,ast2500-timer"
- "aspeed,ast2600-timer"
-
-- reg : Should contain registers location and length
-- interrupts : Should contain the three timer interrupts usually with
- flags for falling edge
-
-Optionally required properties:
-
-- clocks : a clock to provide the tick rate for "faraday,fttmr010"
-- clock-names : should be "EXTCLK" and "PCLK" for the external tick timer
- and peripheral clock respectively, for "faraday,fttmr010"
-- syscon : a phandle to the global Gemini system controller if the compatible
- type is "cortina,gemini-timer"
-
-Example:
-
-timer@...00000 {
- compatible = "faraday,fttmr010";
- reg = <0x43000000 0x1000>;
- interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
- <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
- <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
- clocks = <&extclk>, <&pclk>;
- clock-names = "EXTCLK", "PCLK";
-};
diff --git a/Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml b/Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml
new file mode 100644
index 000000000000..db9fb171ea49
--- /dev/null
+++ b/Documentation/devicetree/bindings/timer/faraday,fttmr010.yaml
@@ -0,0 +1,88 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/timer/faraday,fttmr010.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Faraday Technology timer
+
+maintainers:
+ - Linus Walleij <linus.walleij@...aro.org>
+
+description: |
+ This timer is a generic IP block from Faraday Technology, embedded in the
+ Cortina Systems Gemini SoCs and other designs.
+
+properties:
+ compatible:
+ oneOf:
+ - const: faraday,fttmr010
+ - items:
+ - const: cortina,gemini-timer
+ - const: faraday,fttmr010
+ - items:
+ - const: moxa,moxart-timer
+ - const: faraday,fttmr010
+ - const: aspeed,ast2400-timer
+ - const: aspeed,ast2500-timer
+ - const: aspeed,ast2600-timer
+
+ reg:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 3
+ description: Should contain the three timer interrupts usually with flags for falling edge
+
+ clocks:
+ minItems: 1
+ maxItems: 2
+
+ clock-names:
+ minItems: 1
+ items:
+ - const: "PCLK"
+ - const: "EXTCLK"
+
+ syscon:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ /* taken from arch/arm/boot/dts/gemini.dtsi */
+ timer@...00000 {
+ compatible = "faraday,fttmr010";
+ reg = <0x43000000 0x1000>;
+ interrupts = <14 IRQ_TYPE_EDGE_FALLING>, /* Timer 1 */
+ <15 IRQ_TYPE_EDGE_FALLING>, /* Timer 2 */
+ <16 IRQ_TYPE_EDGE_FALLING>; /* Timer 3 */
+ clocks = <&extclk>, <&pclk>;
+ clock-names = "PCLK", "EXTCLK";
+ syscon = <&syscon>;
+ };
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ /* taken from arch/arm/boot/dts/moxart.dtsi */
+ timer: timer@...00000 {
+ compatible = "moxa,moxart-timer", "faraday,fttmr010";
+ reg = <0x98400000 0x42>;
+ interrupts = <19 IRQ_TYPE_EDGE_FALLING>;
+ clocks = <&clk_apb>;
+ clock-names = "PCLK";
+ };
+...
--
2.34.1
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