From patchwork Wed Jan 31 16:11:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Geert Uytterhoeven X-Patchwork-Id: 13539597 Received: from andre.telenet-ops.be (andre.telenet-ops.be [195.130.132.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7442812A17A for ; Wed, 31 Jan 2024 16:11:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.130.132.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706717519; cv=none; b=Q32jXt0wRWn7yhD3Hb0RVDAv/CGCtiD7nOgXKpAyFNQzL+iwBgoFN3v5/zqCBEHMEp6H1vYM2kIi8ZRVI01N8U8LgjirX2vrtg7vQ0jmvQdfm5CPi7ZwXKOTLbPkok4lzqlqb2EBMibqKmqZd1pqd+02p8CJk9Mwu4lC/zFI8gw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706717519; c=relaxed/simple; bh=etiQOCiZU9tDAlchggQr10q8COercMMXKaVDFoX+q74=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=mKVTzUozpRh/ioDVcRhWRMjQxS41kDZp/WHmGUAJBoGJNDPcsskvY8paQLl28l/W+d08P6qz/2zTonsapUsCWjnqLXYQgMeTLrw+ICufRpTEBFcFJlp1O88/Pke+PW+iX0H5d7Jga9q/b25TZPRyB7FkfnikrSW57Q9luFcXVVQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=glider.be; spf=none smtp.mailfrom=linux-m68k.org; arc=none smtp.client-ip=195.130.132.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=glider.be Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux-m68k.org Received: from ramsan.of.borg ([IPv6:2a02:1810:ac12:ed40:88f0:c83b:bafa:cdc3]) by andre.telenet-ops.be with bizsmtp id hUBq2B00N4efzLr01UBqR2; Wed, 31 Jan 2024 17:11:55 +0100 Received: from rox.of.borg ([192.168.97.57]) by ramsan.of.borg with esmtp (Exim 4.95) (envelope-from ) id 1rVDAw-00GrV5-9U; Wed, 31 Jan 2024 17:11:50 +0100 Received: from geert by rox.of.borg with local (Exim 4.95) (envelope-from ) id 1rVDBm-008lXe-Ht; Wed, 31 Jan 2024 17:11:50 +0100 From: Geert Uytterhoeven To: Daniel Lezcano , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Laurent Pinchart , Wolfram Sang , Yoshinori Sato Cc: devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, Geert Uytterhoeven Subject: [PATCH v2] dt-bindings: timer: renesas,tmu: Document input capture interrupt Date: Wed, 31 Jan 2024 17:11:45 +0100 Message-Id: <8cb38b5236213a467c6c0073f97ccc4bfd5a39ff.1706717378.git.geert+renesas@glider.be> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-sh@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 Reviewed-by: Niklas Söderlund Reviewed-by: Wolfram Sang --- v2: - Reword interrupt descriptions. The corresponding DTS updates can be found in series "[PATCH 0/2] ARM/arm64: dts: renesas: Improve TMU interrupt descriptions". https://lore.kernel.org/r/cover.1705325654.git.geert+renesas@glider.be Once the DTS updates are upstream, "interrupt-names" can be made required. --- .../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 a67e427a9e7e22aa..84bbe15028a1de94 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 = , , - ; + , + ; + interrupt-names = "tuni0", "tuni1", "tuni2", "ticpi2"; clocks = <&mstp0_clks R8A7779_CLK_TMU0>; clock-names = "fck"; power-domains = <&sysc R8A7779_PD_ALWAYS_ON>;