From patchwork Fri Apr 15 15:27:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Kocialkowski X-Patchwork-Id: 12815036 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 AA7F3C433F5 for ; Fri, 15 Apr 2022 15:28:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355124AbiDOPbA (ORCPT ); Fri, 15 Apr 2022 11:31:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355073AbiDOPaz (ORCPT ); Fri, 15 Apr 2022 11:30:55 -0400 Received: from relay4-d.mail.gandi.net (relay4-d.mail.gandi.net [217.70.183.196]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 721CDD4460; Fri, 15 Apr 2022 08:28:26 -0700 (PDT) Received: (Authenticated sender: paul.kocialkowski@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id 29A5AE000B; Fri, 15 Apr 2022 15:28:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1650036505; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=hw1/hVU6DiJXgHDMvHlbfvoQyLbmP32q3m6LkbOfzxk=; b=l1Ldc4Rx8DRgLfj7ztQACo5Pz6sTEoYE2PmsS9Ecca65at5Gd0VjJRtmbwLNExm82tFBJM 5YCy/NyFnf5Wbq8DKzUGUIxzfjgw0GinZ8y4jf2DEsd0qemh4TfdnKdiEQgeaBXma+yq3z Kei3Dx7H+gxnz6uOiY4j7CJx1M+MhtORJZKJDCyJgrjBPye+N8VfXGIM8blLnQGkedJ0RO n2RiAU+TGFBVel1plbkIeMqWCCacTQkHhSmeelorYDm4xIGePQZ/7vtOhNaDF8Smr+RNr0 ktQM8eV9o4I10TQmcfGms4DFODYRehUoRWPHD/rvUqlJjhgBqOCYKPnY+a0w+g== From: Paul Kocialkowski To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Cc: Yong Deng , Paul Kocialkowski , Mauro Carvalho Chehab , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Laurent Pinchart , Maxime Ripard , Thomas Petazzoni Subject: [PATCH v4 05/45] media: sun6i-csi: Define and use variant to get module clock rate Date: Fri, 15 Apr 2022 17:27:31 +0200 Message-Id: <20220415152811.636419-6-paul.kocialkowski@bootlin.com> X-Mailer: git-send-email 2.35.2 In-Reply-To: <20220415152811.636419-1-paul.kocialkowski@bootlin.com> References: <20220415152811.636419-1-paul.kocialkowski@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Introduce a proper variant structure with the module clock rate instead of hardcoding it with a manual check on the compatible. Signed-off-by: Paul Kocialkowski Reviewed-by: Jernej Skrabec --- .../platform/sunxi/sun6i-csi/sun6i_csi.c | 47 ++++++++++++++----- .../platform/sunxi/sun6i-csi/sun6i_csi.h | 4 ++ 2 files changed, 39 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c index 827583a30ad0..46d92b925cc8 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.c @@ -811,11 +811,15 @@ static int sun6i_csi_resources_setup(struct sun6i_csi_device *csi_dev, struct platform_device *platform_dev) { struct device *dev = csi_dev->dev; - unsigned long clock_mod_rate; + const struct sun6i_csi_variant *variant; void __iomem *io_base; int ret; int irq; + variant = of_device_get_match_data(dev); + if (!variant) + return -EINVAL; + /* Registers */ io_base = devm_platform_ioremap_resource(platform_dev, 0); @@ -843,12 +847,8 @@ static int sun6i_csi_resources_setup(struct sun6i_csi_device *csi_dev, return PTR_ERR(csi_dev->clock_ram); } - if (of_device_is_compatible(dev->of_node, "allwinner,sun50i-a64-csi")) - clock_mod_rate = 300000000; - else - clock_mod_rate = 297000000; - - ret = clk_set_rate_exclusive(csi_dev->clock_mod, clock_mod_rate); + ret = clk_set_rate_exclusive(csi_dev->clock_mod, + variant->clock_mod_rate); if (ret) { dev_err(dev, "failed to set mod clock rate\n"); return ret; @@ -931,12 +931,35 @@ static int sun6i_csi_remove(struct platform_device *pdev) return 0; } +static const struct sun6i_csi_variant sun6i_a31_csi_variant = { + .clock_mod_rate = 297000000, +}; + +static const struct sun6i_csi_variant sun50i_a64_csi_variant = { + .clock_mod_rate = 300000000, +}; + static const struct of_device_id sun6i_csi_of_match[] = { - { .compatible = "allwinner,sun6i-a31-csi", }, - { .compatible = "allwinner,sun8i-a83t-csi", }, - { .compatible = "allwinner,sun8i-h3-csi", }, - { .compatible = "allwinner,sun8i-v3s-csi", }, - { .compatible = "allwinner,sun50i-a64-csi", }, + { + .compatible = "allwinner,sun6i-a31-csi", + .data = &sun6i_a31_csi_variant, + }, + { + .compatible = "allwinner,sun8i-a83t-csi", + .data = &sun6i_a31_csi_variant, + }, + { + .compatible = "allwinner,sun8i-h3-csi", + .data = &sun6i_a31_csi_variant, + }, + { + .compatible = "allwinner,sun8i-v3s-csi", + .data = &sun6i_a31_csi_variant, + }, + { + .compatible = "allwinner,sun50i-a64-csi", + .data = &sun50i_a64_csi_variant, + }, {}, }; diff --git a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h index 945d0cb5ab39..a76b545f2aa4 100644 --- a/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h +++ b/drivers/media/platform/sunxi/sun6i-csi/sun6i_csi.h @@ -58,6 +58,10 @@ struct sun6i_csi_device { int planar_offset[3]; }; +struct sun6i_csi_variant { + unsigned long clock_mod_rate; +}; + /** * sun6i_csi_is_format_supported() - check if the format supported by csi * @csi: pointer to the csi