From patchwork Mon Nov 11 02:34:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ye Zhang X-Patchwork-Id: 13870184 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 01EB5D12D52 for ; Mon, 11 Nov 2024 02:34:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=D4sz5ZVT8C48OqF5WOGAxIl2cCBZQPtsLx0jmKNL+Hc=; b=gOU02gvBkEUi6O 4kYM3Wd2rwJ8BHqb513C2KO8YCoTQbKdiJ1Xuf45oPyKEOGeQJUmqXvhlcopIrPEcMpG4shv8WSpt sUDzdKw2f1d3EB42EdQsq8CulTveWjNxt4l/fl9vlFg+oOQQUIXX+WruLg/+5emY4+MWQ39MSAheg uJytmOS7idB5imhhoumC/mwdNkJKHdaZ9+kQT5Wb98Dt3gmh7Sr+Vs6MxfDFZO7/7ezegTtznzHwB GUrmkeael3ZzuOHcKfWKhUCJkopmFJmC/YUp4sSAxU6obeXGHr/Fg/z2siUGUeRQbfvbcToktMgQ7 Ey5UPQqqB8ys84aWA38A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tAKGA-0000000G8Lo-0xy1; Mon, 11 Nov 2024 02:34:34 +0000 Received: from mail-m245.xmail.ntesmail.com ([45.195.24.5]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tAKG5-0000000G8Jv-2lbm; Mon, 11 Nov 2024 02:34:32 +0000 Received: from rockchip.. (unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 258a5842; Mon, 11 Nov 2024 10:34:20 +0800 (GMT+08:00) From: Ye Zhang To: Ye Zhang , linus.walleij@linaro.org, brgl@bgdev.pl, heiko@sntech.de, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, mika.westerberg@linux.intel.com, andriy.shevchenko@linux.intel.com, tao.huang@rock-chips.com, finley.xiao@rock-chips.com, tim.chen@rock-chips.com, elaine.zhang@rock-chips.com Subject: [PATCH v4 1/4] gpio: rockchip: explan the format of the GPIO version ID Date: Mon, 11 Nov 2024 10:34:09 +0800 Message-Id: <20241111023412.3466161-2-ye.zhang@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241111023412.3466161-1-ye.zhang@rock-chips.com> References: <20241111023412.3466161-1-ye.zhang@rock-chips.com> MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQ0gaHVZNQk5MQ0xPTUoZHh5WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSUhCSE NVSktLVUpCS0tZBg++ X-HM-Tid: 0a931912755a09d8kunm258a5842 X-HM-MType: 1 X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6NVE6Mio5AzIhNCwiIwgTGDY2 Sz1PCjJVSlVKTEhKSUJJT01JT0pNVTMWGhIXVQIeVQETGhUcOwkUGBBWGBMSCwhVGBQWRVlXWRIL WUFZTkNVSUlVTFVKSk9ZV1kIAVlBSktPQzcG DKIM-Signature: a=rsa-sha256; b=CAhwIL9TPSOIgZTHl4UJ5tsTP4/WuxKODyQlakAqUTs/AhGlDQj7pAzT1JeLgzeS5RsfcXWGwYv/oR5SgVMChfrod/cTyNbyCYCkwUm6KKg71BflYlY+GOepVUW5Uv3W7spoH040aVhDobQx1m4DCysnKtvRHTTA4XX3RRyfHtE=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=oYOeFEvjF9EiBqY8V2DdoQCpdhmvNoj/sQPxdzZTp+Y=; h=date:mime-version:subject:message-id:from; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241110_183430_255914_2D13866F X-CRM114-Status: UNSURE ( 8.40 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Remove redundant comments and provide a detailed explanation of the GPIO version ID. Signed-off-by: Ye Zhang Reviewed-by: Andy Shevchenko Reviewed-by: Sebastian Reichel Reviewed-by: Linus Walleij --- drivers/gpio/gpio-rockchip.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c index 365ab947983c..71672d654491 100644 --- a/drivers/gpio/gpio-rockchip.c +++ b/drivers/gpio/gpio-rockchip.c @@ -26,9 +26,15 @@ #include "../pinctrl/core.h" #include "../pinctrl/pinctrl-rockchip.h" +/* + * Version ID Register + * Bits [31:24] - Major Version + * Bits [23:16] - Minor Version + * Bits [15:0] - SVN Number + */ #define GPIO_TYPE_V1 (0) /* GPIO Version ID reserved */ -#define GPIO_TYPE_V2 (0x01000C2B) /* GPIO Version ID 0x01000C2B */ -#define GPIO_TYPE_V2_1 (0x0101157C) /* GPIO Version ID 0x0101157C */ +#define GPIO_TYPE_V2 (0x01000C2B) +#define GPIO_TYPE_V2_1 (0x0101157C) static const struct rockchip_gpio_regs gpio_regs_v1 = { .port_dr = 0x00,