From patchwork Fri Jul 2 12:23:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthias Schiffer X-Patchwork-Id: 1500049 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=tq-group.com header.i=@tq-group.com header.a=rsa-sha256 header.s=key1 header.b=j6YGRFIU; dkim=pass (2048-bit key) header.d=tq-group.com header.i=@tq-group.com header.a=rsa-sha256 header.s=key1 header.b=OMi/e2jR; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GGZ5D3zMtz9t0k for ; Fri, 2 Jul 2021 22:24:16 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232249AbhGBM0q (ORCPT ); Fri, 2 Jul 2021 08:26:46 -0400 Received: from mx1.tq-group.com ([93.104.207.81]:42419 "EHLO mx1.tq-group.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232206AbhGBM0l (ORCPT ); Fri, 2 Jul 2021 08:26:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1625228649; x=1656764649; h=from:to:cc:subject:date:message-id; bh=i1B2hVnhFg7bXOdNCkdVmlZaSpi0oK/SS9yg7qx3A4Y=; b=j6YGRFIUALAuS/ogy2sHvjrk+s0hLwGnxqOQSsup9nHWb6n9HwZnKE7A xnH5Ne8VBKiXMY7NGB2M6LLj/bGya8edytkiUIR3DCPEpVjJX3kMEJ5Y/ eLYTb6iaiXi3Jodo5lpWDKgIFSCQTwnFFaxiUYlIYSBNTaoiULRyKkaaV BjbDSVvhcbUcZ+o0ZWjR/Q5VvDpB6PpZ9DGJIFUYgg2mM4dsfPG+4iAUc kRE+toxR/bdROXIVjvo0/CrkllTuSNxwAcDS/tOH2n74RmF2js1HhWaSJ yoDHTCqAVO+ybuo7qTogvCgmOHeL5Pdy5WmSzKUCb9bZ2RA0phjSDedjp A==; X-IronPort-AV: E=Sophos;i="5.83,317,1616454000"; d="scan'208";a="18252580" Received: from unknown (HELO tq-pgp-pr1.tq-net.de) ([192.168.6.15]) by mx1-pgp.tq-group.com with ESMTP; 02 Jul 2021 14:24:05 +0200 Received: from mx1.tq-group.com ([192.168.6.7]) by tq-pgp-pr1.tq-net.de (PGP Universal service); Fri, 02 Jul 2021 14:24:05 +0200 X-PGP-Universal: processed; by tq-pgp-pr1.tq-net.de on Fri, 02 Jul 2021 14:24:05 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1625228645; x=1656764645; h=from:to:cc:subject:date:message-id; bh=i1B2hVnhFg7bXOdNCkdVmlZaSpi0oK/SS9yg7qx3A4Y=; b=OMi/e2jR0tdf7cBKo/jTWQo33bPt0jhJSY/ZPfVLTJOvYSWq2mwthGV+ 2U4x2pa95XVo2zCbKCT07F1Azcq6wwoMuVx9acM1JgHoCXFTGoUMz7X7A i8va/uFBOQHBWnDvr6fAQS8UVc2OskZ1AhYb1gVCEvXXNBCzenAdSxsBB 1UFmPaiCugpMpHldM3c16ksdb2xKRRhB0DMKJzzZ0RK+GtyoWIIpi13er 11lvXqdKvLJjrD/fNdTRloQIp5byPfhBpPIiUbvMxA4uJBY/P02YS7wcc Jx3HTaasQS+LKTRexcDRvHm1eQDdKKHoFOwBaiFwP80NVDHWXsb0HyoEj Q==; X-IronPort-AV: E=Sophos;i="5.83,317,1616454000"; d="scan'208";a="18252579" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 02 Jul 2021 14:24:05 +0200 Received: from schifferm-ubuntu4.tq-net.de (schifferm-ubuntu4.tq-net.de [10.121.48.12]) by vtuxmail01.tq-net.de (Postfix) with ESMTPA id 7E5F4280075; Fri, 2 Jul 2021 14:24:05 +0200 (CEST) From: Matthias Schiffer To: Linus Walleij , Bartosz Golaszewski , Lee Jones Cc: Andrew Lunn , Andy Shevchenko , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Matthias Schiffer Subject: [PATCH v2 7/7] mfd: tqmx86: assume 24MHz LPC clock for unknown boards Date: Fri, 2 Jul 2021 14:23:53 +0200 Message-Id: <384f4c0070fc95e4e688731876178f9299861aa7.1625227382.git.matthias.schiffer@ew.tq-group.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org All future TQMx86 modules should use a 24MHz LPC clock. Warn about unknown boards, but assume this is the case. Signed-off-by: Matthias Schiffer Reviewed-by: Andrew Lunn --- v2: - Separated from TQMxE40M support patch - Add warning for unknown boards drivers/mfd/tqmx86.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/tqmx86.c b/drivers/mfd/tqmx86.c index 58f35c8b5a45..7ae906ff8e35 100644 --- a/drivers/mfd/tqmx86.c +++ b/drivers/mfd/tqmx86.c @@ -147,7 +147,7 @@ static const char *tqmx86_board_id_to_name(u8 board_id) } } -static int tqmx86_board_id_to_clk_rate(u8 board_id) +static int tqmx86_board_id_to_clk_rate(struct device *dev, u8 board_id) { switch (board_id) { case TQMX86_REG_BOARD_ID_50UC: @@ -168,7 +168,9 @@ static int tqmx86_board_id_to_clk_rate(u8 board_id) case TQMX86_REG_BOARD_ID_E38C: return 33000; default: - return 0; + dev_warn(dev, "unknown board %d, assuming 24MHz LPC clock\n", + board_id); + return 24000; } } @@ -229,7 +231,7 @@ static int tqmx86_probe(struct platform_device *pdev) tqmx_gpio_resources[0].flags = 0; } - ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(board_id); + ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(dev, board_id); if (i2c_det == TQMX86_REG_I2C_DETECT_SOFT) { err = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,