From patchwork Mon Mar 14 16:34:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 551541 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC0F0C433EF for ; Mon, 14 Mar 2022 16:34:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232757AbiCNQgF (ORCPT ); Mon, 14 Mar 2022 12:36:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235788AbiCNQgA (ORCPT ); Mon, 14 Mar 2022 12:36:00 -0400 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::229]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D892631C; Mon, 14 Mar 2022 09:34:48 -0700 (PDT) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 09BD1FF804; Mon, 14 Mar 2022 16:34:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1647275687; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Y0JJS8E+gvZKxPOGnlgdSKREVAl6/09J8HEn+iRo56s=; b=KEJB/qyG8O/biaQiFu3lo9FkiqUkYQFS40uKcFAMEBSfutvk/TRCOAYmAq2wehx8KI1oC9 9rc5os6XhF9J9QuMcCjeHSN3kwF+CKPtIclFiLLaX/K+TewxKIn7bUsljz/dn/Sbczc5mD /FXKTppaK3mB3FYypd/iHVi/EPyHhtDmptLS5v+hAkwxzrXpZxDub0Fl7I1yi2qNDT/B+C P53/pMYW6hQyOcrSJ21Y3j3PmUzEGJ7K6+fNoDOIr5TTobGaexKT4mchn49Dt0gzqQ7kKX a+5bgtxCaCg5CmJpsmw2KptMAyaphgAcZUaTlk6BjyMcsE39nHUwrX+XgKE5Rg== From: Miquel Raynal To: Benoit Cousson , Tony Lindgren Cc: Rob Herring , devicetree@vger.kernel.org, linux-omap@vger.kernel.org, Thomas Petazzoni , Miquel Raynal , "H . Nikolaus Schaller" Subject: [PATCH v2] ARM: dts: am33xx-l4: Add missing touchscreen clock properties Date: Mon, 14 Mar 2022 17:34:45 +0100 Message-Id: <20220314163445.79807-1-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org When adding support for TI magadc (Magnetic Stripe Reader and ADC), the MFD driver common to the touchscreen and the ADC got updated to ease the insertion of a new DT node for the ADC, with its own compatible, clocks, etc. Commit 235a96e92c16 ("mfd: ti_am335x_tscadc: Don't search the tree for our clock") removed one compatible specific information which was the clock name, because the clock was looked up from scratch in the DT while this hardware block was only fed by a single clock, already defined and properly filled in the DT. Problem is, this change was only validated with an am437x-based board, where the clocks are effectively correctly defined and referenced. But on am33xx, the ADC clock is also correctly defined but is not referenced with a clock phandle as it ought to be. The touchscreen bindings clearly state that the clocks/clock-names properties are mandatory, but they have been forgotten in one DTSI. This was probably not noticed in the first place because of the clock actually existing and the clk_get() call going through all the tree anyway. Add the missing clock phandles in the am33xx touchscreen description. Reported-by: H. Nikolaus Schaller Fixes: 235a96e92c16 ("mfd: ti_am335x_tscadc: Don't search the tree for our clock") Signed-off-by: Miquel Raynal Tested-by: H. Nikolaus Schaller --- Changes in v2: - Explained the "magadc" name - s/out to be/ought to be/ - Added Nikolaus Tested-by arch/arm/boot/dts/am33xx-l4.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/boot/dts/am33xx-l4.dtsi b/arch/arm/boot/dts/am33xx-l4.dtsi index c9629cb5ccd1..7da42a5b959c 100644 --- a/arch/arm/boot/dts/am33xx-l4.dtsi +++ b/arch/arm/boot/dts/am33xx-l4.dtsi @@ -263,6 +263,8 @@ tscadc: tscadc@0 { compatible = "ti,am3359-tscadc"; reg = <0x0 0x1000>; interrupts = <16>; + clocks = <&adc_tsc_fck>; + clock-names = "fck"; status = "disabled"; dmas = <&edma 53 0>, <&edma 57 0>; dma-names = "fifo0", "fifo1";