From patchwork Fri May 5 11:38:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 13232587 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 173BCC77B75 for ; Fri, 5 May 2023 11:41:21 +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=jF1FxoEk0U36fD8/4Ca+77pOeRTs/XcubcLuekk5g6w=; b=0m4vzRijgcfgNQ Yar5wl8nvN4SDv0hH0avdMxKNACVblYjx3qOvTmWjmsK0bXcXZcBq+wUOe68RLbA4RSgSrCnTJp/z +PJSISOx1pL/4uxHPPDdHM0gbQ9Z7Y0MWIG2Oz6iunhNuADG46uX440jk5YV0feyoS6nAtJG5MbFp ESt6UkE5+J8e/Z/9fsWFKN7R7i+yOKsirHSPW3KVqLrZ8xcJnK0SrfW/FTA9mGiaAdhOLhG6xqGeg ZnPavvqzFddcbtJLJZqf3+rtMjI9IiFfMgY8novocqFayBVB0Cuk5JeAkxmMTpNai0rGQCG/XWWjh X5gN0BF/N0Supbq20XtQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1putoI-00Akix-0j; Fri, 05 May 2023 11:41:14 +0000 Received: from desiato.infradead.org ([90.155.92.199]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1putmj-00AjIG-2r for linux-rockchip@bombadil.infradead.org; Fri, 05 May 2023 11:39:37 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:MIME-Version :References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=87JEtaiErB4BKeYryIRJp5676nVuBQaZb5amG4vcf6g=; b=inGnFISWtUPePvfmdnB3b6Ysbm xOoom+kttJUBrgBa4N6P+B7Y28nLDQh2ErkLC5o/JwivMVa7jJsYi2KZWf+f/clwacpPZj1F7xIbP M1zEupPJRvnEvKVsIedfzwe4WiEvLb9FceQefwkEWjwReQ+7HF8lKAD7R9R0c9pUgVSgDv4yz+qfc Km3r+0ChoCb1PjnK5bVCr63YJY2HWgYrdIIxis0XRTnnpCvJAEhXTHWuh5+vma0U444azKKpA+BKf yuoBcbQqw8+VsTGTLoxJehzNbEuy2g5GkfJyF0/+4OFw9Wmr7OhTS3/b7fyzPxlURIRSe1Sh0vurL hAzDhTaA==; Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1putmP-003EU5-0l for linux-rockchip@lists.infradead.org; Fri, 05 May 2023 11:39:36 +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 1putmC-0001ZK-KR; Fri, 05 May 2023 13:39:04 +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 1putmB-001HcF-V1; Fri, 05 May 2023 13:39:03 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1putm8-003RoG-7O; Fri, 05 May 2023 13:39:00 +0200 From: Sascha Hauer To: linux-rockchip@lists.infradead.org Cc: linux-arm-kernel@lists.infradead.org, Heiko Stuebner , Kyungmin Park , MyungJoo Ham , Will Deacon , Mark Rutland , kernel@pengutronix.de, Michael Riesch , Sascha Hauer Subject: [PATCH v4 10/21] PM / devfreq: rockchip-dfi: Add RK3568 support Date: Fri, 5 May 2023 13:38:45 +0200 Message-Id: <20230505113856.463650-11-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230505113856.463650-1-s.hauer@pengutronix.de> References: <20230505113856.463650-1-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-20230505_123932_615398_455F0082 X-CRM114-Status: GOOD ( 18.04 ) 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. The driver itself doesn't need a change, only initialization differs from the currently supported RK3399. Signed-off-by: Sascha Hauer --- drivers/devfreq/event/rockchip-dfi.c | 24 ++++++++++++++++++++++++ include/soc/rockchip/rk3568_grf.h | 12 ++++++++++++ 2 files changed, 36 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 035984d3c7b01..78cb594bd2a81 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 @@ -209,6 +210,24 @@ 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; +}; + struct rockchip_dfi_devtype_data { int (*init)(struct rockchip_dfi *dfi); }; @@ -217,8 +236,13 @@ static struct rockchip_dfi_devtype_data rk3399_devtype_data = { .init = rk3399_dfi_init, }; +static struct rockchip_dfi_devtype_data rk3568_devtype_data = { + .init = rk3568_dfi_init, +}; + static const struct of_device_id rockchip_dfi_id_match[] = { { .compatible = "rockchip,rk3399-dfi", .data = &rk3399_devtype_data }, + { .compatible = "rockchip,rk3568-dfi", .data = &rk3568_devtype_data }, { }, }; MODULE_DEVICE_TABLE(of, rockchip_dfi_id_match); 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 */