From patchwork Tue Jul 4 09:32:26 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 13300843 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 48D72C001B0 for ; Tue, 4 Jul 2023 09:33:19 +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=ZWLAdb6yKTaRQOOeOHvJYphyOJEp00Cbtz91zu41Efw=; b=CedJkUSwegJ4MB +8livZF+psOE8mVEZTlHlLYt46Jbu6UrIt/kzIe8H340I1hN0Lu3iDK1mu15vaEjdQtmMycdHUfJW x6lu1jTzuOU7+iZ45GiVo0hI6gkygPdtpWvtMxsi0T0+N2wwvjMZLJNCicKxCyi5i+n82guSY1zeq KfeGyukwxhvjTmd98iCKEB/8GAF0z/Q2IMIJcZ+t4/pw8W5yTy4D7I9aksuRaNOQsRqr6/8w00ptw xdy+KPgb9rczUymTju21SI0SuqrBzN228GP+/VCjQFNIRblvdBEURRMNGt2aTrlDqHQ1s5GCNhwXJ 2bfzWDVSKFLfZGCCd0dA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qGcPB-00Cj3U-1i; Tue, 04 Jul 2023 09:33:05 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qGcP5-00CixO-1j for linux-rockchip@lists.infradead.org; Tue, 04 Jul 2023 09:33:01 +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 1qGcOv-0006ty-RI; Tue, 04 Jul 2023 11:32:49 +0200 Received: from [2a0a:edc0:0:1101:1d::28] (helo=dude02.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1qGcOu-00C09x-ID; Tue, 04 Jul 2023 11:32:48 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1qGcOr-002Ty7-52; Tue, 04 Jul 2023 11:32:45 +0200 From: Sascha Hauer To: linux-rockchip@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Heiko Stuebner , Kyungmin Park , MyungJoo Ham , Will Deacon , Mark Rutland , kernel@pengutronix.de, Michael Riesch , Robin Murphy , Vincent Legoll , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, Sebastian Reichel , Sascha Hauer Subject: [PATCH v7 10/26] PM / devfreq: rockchip-dfi: Add RK3568 support Date: Tue, 4 Jul 2023 11:32:26 +0200 Message-Id: <20230704093242.583575-11-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230704093242.583575-1-s.hauer@pengutronix.de> References: <20230704093242.583575-1-s.hauer@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: sha@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-rockchip@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230704_023259_584467_62D81585 X-CRM114-Status: GOOD ( 18.66 ) 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 This adds RK3568 support to the DFI driver. Only iniitialization differs from the currently supported RK3399. Signed-off-by: Sascha Hauer --- drivers/devfreq/event/rockchip-dfi.c | 21 +++++++++++++++++++++ include/soc/rockchip/rk3568_grf.h | 12 ++++++++++++ 2 files changed, 33 insertions(+) create mode 100644 include/soc/rockchip/rk3568_grf.h diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c index 6b3ef97b3be09..261d112580c9e 100644 --- a/drivers/devfreq/event/rockchip-dfi.c +++ b/drivers/devfreq/event/rockchip-dfi.c @@ -23,6 +23,7 @@ #include #include +#include #define DMC_MAX_CHANNELS 2 @@ -209,10 +210,30 @@ static int rk3399_dfi_init(struct rockchip_dfi *dfi) return 0; }; +static int rk3568_dfi_init(struct rockchip_dfi *dfi) +{ + struct regmap *regmap_pmu = dfi->regmap_pmu; + u32 reg2, reg3; + + regmap_read(regmap_pmu, RK3568_PMUGRF_OS_REG2, ®2); + regmap_read(regmap_pmu, RK3568_PMUGRF_OS_REG3, ®3); + + dfi->ddr_type = FIELD_GET(RK3568_PMUGRF_OS_REG2_DRAMTYPE_INFO, reg2); + + if (FIELD_GET(RK3568_PMUGRF_OS_REG3_SYSREG_VERSION, reg3) >= 0x3) + dfi->ddr_type |= FIELD_GET(RK3568_PMUGRF_OS_REG3_DRAMTYPE_INFO_V3, reg3) << 3; + + dfi->channel_mask = 1; + + return 0; +}; + static const struct of_device_id rockchip_dfi_id_match[] = { { .compatible = "rockchip,rk3399-dfi", .data = rk3399_dfi_init }, + { .compatible = "rockchip,rk3568-dfi", .data = rk3568_dfi_init }, { }, }; + MODULE_DEVICE_TABLE(of, rockchip_dfi_id_match); static int rockchip_dfi_probe(struct platform_device *pdev) diff --git a/include/soc/rockchip/rk3568_grf.h b/include/soc/rockchip/rk3568_grf.h new file mode 100644 index 0000000000000..575584e9d8834 --- /dev/null +++ b/include/soc/rockchip/rk3568_grf.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +#ifndef __SOC_RK3568_GRF_H +#define __SOC_RK3568_GRF_H + +#define RK3568_PMUGRF_OS_REG2 0x208 +#define RK3568_PMUGRF_OS_REG2_DRAMTYPE_INFO GENMASK(15, 13) + +#define RK3568_PMUGRF_OS_REG3 0x20c +#define RK3568_PMUGRF_OS_REG3_DRAMTYPE_INFO_V3 GENMASK(13, 12) +#define RK3568_PMUGRF_OS_REG3_SYSREG_VERSION GENMASK(31, 28) + +#endif /* __SOC_RK3568_GRF_H */