From patchwork Wed Nov 22 14:42:04 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 10070533 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 2E802601D5 for ; Wed, 22 Nov 2017 14:43:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 200C529C0C for ; Wed, 22 Nov 2017 14:43:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 14F6C29C5C; Wed, 22 Nov 2017 14:43:58 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C711D29C0C for ; Wed, 22 Nov 2017 14:43:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=gGZtjiO0kKupG9eBT2wy85AK6akzRlBd9pAFqf0hNrc=; b=AHriWqoqV7mUIIW7UQOwitotU7 eYhGeublHzQ4Vl/6bAVWnnrQtPcVSmEb/qxN9KWoWHXLqaMpp0/2AALxno6uTtQ63YIG3axOfGloF ZZ6OPEbVOK5L8qf1PQAVeOv8N2L/xDZqgLnZoytTn8jeiSVuS9kczOzW5FreNKFeKTvXwx7L3o7kg YgpXp/0gWNZaV0LRYQtM3Dd7xem0wt1rqfntp3hzxb8UtvgPOS3tYyrdAHl8GqntTRdNLxk3r+8LR 5S3tDAv9APzB4HN0f5jHLjNA1emxMJrdf69HPyzo2j/XEW5BfDwfAwuqXfx0X5YtjnxNSesw/7Mdo dGIMXdmA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1eHWFo-0004NI-Hs; Wed, 22 Nov 2017 14:43:56 +0000 Received: from guitar.tcltek.co.il ([192.115.133.116] helo=mx.tkos.co.il) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1eHWFU-0003sd-0T for linux-arm-kernel@lists.infradead.org; Wed, 22 Nov 2017 14:43:38 +0000 Received: from sapphire.lan (unknown [10.0.4.3]) by mx.tkos.co.il (Postfix) with ESMTPA id 2CFB74407E8; Wed, 22 Nov 2017 16:43:08 +0200 (IST) From: Baruch Siach To: Zhang Rui , Eduardo Valentin Subject: [PATCH 2/3] thermal: armada: add support for AP806 Date: Wed, 22 Nov 2017 16:42:04 +0200 Message-Id: <320800cce532d6ae1927b36f82b007f04c740a15.1511361725.git.baruch@tkos.co.il> X-Mailer: git-send-email 2.15.0 In-Reply-To: <7102bb32704ac9f70ef3ae61682d50de8af61b57.1511361725.git.baruch@tkos.co.il> References: <7102bb32704ac9f70ef3ae61682d50de8af61b57.1511361725.git.baruch@tkos.co.il> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171122_064336_302232_4FF98248 X-CRM114-Status: UNSURE ( 7.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Andrew Lunn , Baruch Siach , Jason Cooper , linux-pm@vger.kernel.org, Miquel Raynal , Gregory Clement , linux-arm-kernel@lists.infradead.org, Sebastian Hesselbarth MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP The AP806 component is integrated in the Armada 8k and 7k lines of processors. Signed-off-by: Baruch Siach --- drivers/thermal/armada_thermal.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index ae75328945f7..1f7f81628040 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -41,6 +41,10 @@ #define A375_HW_RESETn BIT(8) #define A380_HW_RESET BIT(8) +#define AP806_START BIT(0) +#define AP806_RESET BIT(1) +#define AP806_ENABLE BIT(2) + struct armada_thermal_data; /* Marvell EBU Thermal Sensor Dev Structure */ @@ -147,6 +151,18 @@ static void armada380_init_sensor(struct platform_device *pdev, } } +static void armada_ap806_init_sensor(struct platform_device *pdev, + struct armada_thermal_priv *priv) +{ + u32 reg = readl_relaxed(priv->control); + + reg &= ~AP806_RESET; + reg |= AP806_START; + reg |= AP806_ENABLE; + writel(reg, priv->control); + mdelay(10); +} + static bool armada_is_valid(struct armada_thermal_priv *priv) { unsigned long reg = readl_relaxed(priv->sensor); @@ -230,6 +246,18 @@ static const struct armada_thermal_data armada380_data = { .inverted = true, }; +static const struct armada_thermal_data armada_ap806_data = { + .is_valid = armada_is_valid, + .init_sensor = armada_ap806_init_sensor, + .is_valid_shift = 16, + .temp_shift = 0, + .temp_mask = 0x3ff, + .coef_b = 1172499100UL, + .coef_m = 2000096UL, + .coef_div = 4201, + .inverted = true, +}; + static const struct of_device_id armada_thermal_id_table[] = { { .compatible = "marvell,armadaxp-thermal", @@ -247,6 +275,10 @@ static const struct of_device_id armada_thermal_id_table[] = { .compatible = "marvell,armada380-thermal", .data = &armada380_data, }, + { + .compatible = "marvell,armada-ap806-thermal", + .data = &armada_ap806_data, + }, { /* sentinel */ },