linux-kernel - [tip: timers/core] dt-bindings: timer: renesas,tmu: Document input capture interrupt

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Message-ID: <171075646209.12214.12812854242435321555.tip-bot2@tip-bot2>
Date: Mon, 18 Mar 2024 10:07:42 -0000
From: "tip-bot2 for Geert Uytterhoeven" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@...der.be>,
 niklas.soderlund+renesas@...natech.se,
 Wolfram Sang <wsa+renesas@...g-engineering.com>,
 Daniel Lezcano <daniel.lezcano@...aro.org>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: timers/core] dt-bindings: timer: renesas,tmu: Document input
 capture interrupt

The following commit has been merged into the timers/core branch of tip:

Commit-ID:     0076a37a426b6c850a0b41b814952760e4a70fcf
Gitweb:        https://git.kernel.org/tip/0076a37a426b6c850a0b41b814952760e4a70fcf
Author:        Geert Uytterhoeven <geert+renesas@...der.be>
AuthorDate:    Wed, 31 Jan 2024 17:11:45 +01:00
Committer:     Daniel Lezcano <daniel.lezcano@...aro.org>
CommitterDate: Wed, 31 Jan 2024 22:12:18 +01:00

dt-bindings: timer: renesas,tmu: Document input capture interrupt

Some Timer Unit (TMU) instances with 3 channels support a fourth
interrupt: an input capture interrupt for the third channel.

While at it, document the meaning of the four interrupts, and add
"interrupt-names" for clarity.

Update the example to match reality.

Inspired by a patch by Yoshinori Sato for SH.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
Link: https://lore.kernel.org/r/8cb38b5236213a467c6c0073f97ccc4bfd5a39ff.1706717378.git.geert+renesas@glider.be
---
 Documentation/devicetree/bindings/timer/renesas,tmu.yaml | 18 ++++++-
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/timer/renesas,tmu.yaml b/Documentation/devicetree/bindings/timer/renesas,tmu.yaml
index a67e427..84bbe15 100644
--- a/Documentation/devicetree/bindings/timer/renesas,tmu.yaml
+++ b/Documentation/devicetree/bindings/timer/renesas,tmu.yaml
@@ -46,7 +46,19 @@ properties:
 
   interrupts:
     minItems: 2
-    maxItems: 3
+    items:
+      - description: Underflow interrupt, channel 0
+      - description: Underflow interrupt, channel 1
+      - description: Underflow interrupt, channel 2
+      - description: Input capture interrupt, channel 2
+
+  interrupt-names:
+    minItems: 2
+    items:
+      - const: tuni0
+      - const: tuni1
+      - const: tuni2
+      - const: ticpi2
 
   clocks:
     maxItems: 1
@@ -100,7 +112,9 @@ examples:
             reg = <0xffd80000 0x30>;
             interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
                          <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
-                         <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
+                         <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
+            interrupt-names = "tuni0", "tuni1", "tuni2", "ticpi2";
             clocks = <&mstp0_clks R8A7779_CLK_TMU0>;
             clock-names = "fck";
             power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;