From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 18 Aug 2022 07:21:40 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1oOXyP-002dPu-Cr for lore@lore.pengutronix.de; Thu, 18 Aug 2022 07:21:40 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oOXyN-0000gR-49 for lore@pengutronix.de; Thu, 18 Aug 2022 07:21:40 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=38IQSA3Vxm/8fnrVwla+R4cTScXekHWGsTlBUeuGA/8=; b=sTugeq7Sl5A41yMLzz+VrZBR/A CLBtW++dsJOrPoLxxNtt94C/jzgHET0Hi5IcNuH3bEc9DmhH+5nOA6/+wq5/5b6d7h7v+PlvX1h8X Y1/JDTpsn7uNHEMsHCtYO2p0+wgooPfG0JJKreiH7s8hBj9NlArksus0/5lZome+3J8iLPs45i7AQ C+XiBpPB+cMcq8ouoTLg5mxizIJS1LA6Re8jfJpfcufkmrrwtm9J4Nu1azKroyMY3dTW5T6lFUNfJ /b359k+Ok//3q7mAiMtqsrkEW9BjRmbfVRFuxntJszJqCdOENAhWRA3/bGryTItbH4baztFH7iypt 2HJ51GYQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oOXx6-00Fnow-Mp; Thu, 18 Aug 2022 05:20:20 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oOXwm-00Fn3X-T9 for barebox@lists.infradead.org; Thu, 18 Aug 2022 05:20:04 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1oOXwl-0008Hj-Bh; Thu, 18 Aug 2022 07:19:59 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1oOXwk-000S3a-Ge; Thu, 18 Aug 2022 07:19:58 +0200 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1oOXwi-008lHq-Na; Thu, 18 Aug 2022 07:19:56 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: lst@pengutronix.de, ukl@pengutronix.de, Ahmad Fatoum Date: Thu, 18 Aug 2022 07:19:54 +0200 Message-Id: <20220818051955.2088238-10-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20220818051955.2088238-1-a.fatoum@pengutronix.de> References: <20220818051955.2088238-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220817_222001_081990_E08AB956 X-CRM114-Status: GOOD ( 12.12 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 09/10] RFC: soc: imx: imx8m-featctrl: add i.MX8M[MN] stand-alone driver X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) Previous commit added imx8m_feat_ctrl_init() which can be used to initialize a feature controller for i.MX8M. Add a standalone driver with new compatibles that can be described in the device tree to control feature gating of peripherals. [afa: This is a RFC. I lean towards the OCOTP driver calling imx8m_feat_ctrl_init(). See previous commits] Signed-off-by: Ahmad Fatoum --- drivers/soc/imx/imx8m-featctrl.c | 37 ++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/drivers/soc/imx/imx8m-featctrl.c b/drivers/soc/imx/imx8m-featctrl.c index 480c80e6c1d9..c9fedfde1488 100644 --- a/drivers/soc/imx/imx8m-featctrl.c +++ b/drivers/soc/imx/imx8m-featctrl.c @@ -5,6 +5,10 @@ #include #include #include +#include +#include +#include +#include #include @@ -62,3 +66,36 @@ int imx8m_feat_ctrl_init(struct device_d *dev, u32 tester4, return feature_controller_register(&priv->feat); } + +static int imx8m_featctrl_probe(struct device_d *dev) +{ + const struct imx8m_featctrl_data *data = device_get_match_data(dev); + u32 tester4; + int ret; + + ret = nvmem_cell_read_variable_le_u32(dev, "tester4", &tester4); + if (ret) + return ret; + + return imx8m_feat_ctrl_init(dev, tester4, data); +} + +static const struct imx8m_featctrl_data imx8mm_featctrl_data = { + .vpu_bitmask = 0x1c0000 +}; +static const struct imx8m_featctrl_data imx8mn_featctrl_data = { + .gpu_bitmask = 0x1000000 +}; + +static const struct of_device_id imx8m_featctrl_dt_ids[] = { + { .compatible = "barebox,imx8mm-featctrl", &imx8mm_featctrl_data }, + { .compatible = "barebox,imx8mn-featctrl", &imx8mn_featctrl_data }, + { /* sentinel */ } +}; + +static struct driver_d imx8m_featctrl_driver = { + .name = "imx8m-featctrl", + .probe = imx8m_featctrl_probe, + .of_compatible = imx8m_featctrl_dt_ids, +}; +coredevice_platform_driver(imx8m_featctrl_driver); -- 2.30.2