From patchwork Wed May 24 08:31:47 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sascha Hauer X-Patchwork-Id: 13253730 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 0D302C7EE2E for ; Wed, 24 May 2023 10:05:21 +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=GqlBluL7fK9PAhPohTnLeJwYwm4GRiCbow3/z6KGrkI=; b=qmKCP80MqIGP+N 1DV5yJs5XYtWt1/Cln8NY5muCcevuXuBhNJc48HHx4ldwgjIYEJwDYTUWmPmpAnlvKPiYoCCzOh9d Do4MoGDX1OFT6BZ1gEepxdRFpsxerGUNkSGVxZ//6HI9nuK9T809QydCvAW878pRkaxBZvMPHZFxn tzs6lupmu+CXtqLJrj85E2zE94j50mAEb7tnVJvjNFXQEP3bPvo2NKONEbUmj2O0ObdE6SIYrHO59 afetgKME/bXOAQuqzBEmcCQ+8f/A3yJz2q1JTvYxO+xG4+10RQaZJ7KsZ+56+e8rpLvnSd0wanthT srxSuunEASUt0PGg+oig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1q1lMj-00D3LQ-2f; Wed, 24 May 2023 10:05:09 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1q1kGX-00Cr2Z-0x for linux-rockchip@bombadil.infradead.org; Wed, 24 May 2023 08:54:41 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=Uz0ChSem0cUsZTzoHvQYbeQLstO3Uh4prKnqlkhdhJ4=; b=m2C/dV21v5pAhZyibWjJ3ArY+I pI4YsMsaE6RJsHNs3l3hDLtrxltUaHOoiN5UvAQ/70xTz/h8uJWs88Apm3mIGi/59DsdZmuGMul7n /wnVPYzqBSk/T3jVirrm0iV9a0JDKgbF6+hdOmw5aBP0oNtVw7P524NJIQ8VCzswZrKV71L6OLU7s QW2pPNx9lDU6KVLap4c2ZeaIzsftbV8p8iwi376UMFwSf0H0/JNFcrb2Lzika3GVdrKYisa+FsISx 2eWD3aK0jmzJybjrbASEzz3rqA+vYbEtP1TRG+Ofl0KPs4Acjbma0nTmhGNHaSEfSNgZ6dOB+NJxP Py3i+/1g==; Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by casper.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1q1jui-00B18L-Rm for linux-rockchip@lists.infradead.org; Wed, 24 May 2023 08:32:13 +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 1q1juc-0002tQ-A9; Wed, 24 May 2023 10:32:02 +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 1q1jub-002Rar-D6; Wed, 24 May 2023 10:32:01 +0200 Received: from sha by dude02.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1q1juX-009jKG-FH; Wed, 24 May 2023 10:31:57 +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, Sascha Hauer , Jonathan Cameron Subject: [PATCH v5 19/25] PM / devfreq: rockchip-dfi: add support for RK3588 Date: Wed, 24 May 2023 10:31:47 +0200 Message-Id: <20230524083153.2046084-20-s.hauer@pengutronix.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230524083153.2046084-1-s.hauer@pengutronix.de> References: <20230524083153.2046084-1-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-20230524_093209_054236_A4FC2F7C X-CRM114-Status: GOOD ( 18.96 ) 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 Add support for the RK3588 to the driver. The RK3588 has four DDR channels with a register stride of 0x4000 between the channel registers, also it has a DDRMON_CTRL register per channel. Signed-off-by: Sascha Hauer Reviewed-by: Jonathan Cameron Reviewed-by: Sebastian Reichel --- drivers/devfreq/event/rockchip-dfi.c | 30 +++++++++++++++++++++++++++- include/soc/rockchip/rk3588_grf.h | 18 +++++++++++++++++ 2 files changed, 47 insertions(+), 1 deletion(-) create mode 100644 include/soc/rockchip/rk3588_grf.h diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c index 23d66fe737975..1410d20f3df80 100644 --- a/drivers/devfreq/event/rockchip-dfi.c +++ b/drivers/devfreq/event/rockchip-dfi.c @@ -26,8 +26,9 @@ #include #include #include +#include -#define DMC_MAX_CHANNELS 2 +#define DMC_MAX_CHANNELS 4 #define HIWORD_UPDATE(val, mask) ((val) | (mask) << 16) @@ -711,9 +712,36 @@ static int rk3568_dfi_init(struct rockchip_dfi *dfi) return 0; }; +static int rk3588_dfi_init(struct rockchip_dfi *dfi) +{ + struct regmap *regmap_pmu = dfi->regmap_pmu; + u32 reg2, reg3, reg4; + + regmap_read(regmap_pmu, RK3588_PMUGRF_OS_REG2, ®2); + regmap_read(regmap_pmu, RK3588_PMUGRF_OS_REG3, ®3); + regmap_read(regmap_pmu, RK3588_PMUGRF_OS_REG4, ®4); + + dfi->ddr_type = FIELD_GET(RK3588_PMUGRF_OS_REG2_DRAMTYPE_INFO, reg2); + + if (FIELD_GET(RK3588_PMUGRF_OS_REG3_SYSREG_VERSION, reg3) >= 0x3) + dfi->ddr_type |= FIELD_GET(RK3588_PMUGRF_OS_REG3_DRAMTYPE_INFO_V3, reg3) << 3; + + dfi->buswidth[0] = FIELD_GET(RK3588_PMUGRF_OS_REG2_BW_CH0, reg2) == 0 ? 4 : 2; + dfi->buswidth[1] = FIELD_GET(RK3588_PMUGRF_OS_REG2_BW_CH1, reg2) == 0 ? 4 : 2; + dfi->buswidth[2] = FIELD_GET(RK3568_PMUGRF_OS_REG2_BW_CH0, reg4) == 0 ? 4 : 2; + dfi->buswidth[3] = FIELD_GET(RK3588_PMUGRF_OS_REG2_BW_CH1, reg4) == 0 ? 4 : 2; + dfi->channel_mask = FIELD_GET(RK3588_PMUGRF_OS_REG2_CH_INFO, reg2) | + FIELD_GET(RK3588_PMUGRF_OS_REG2_CH_INFO, reg4) << 2; + + dfi->ddrmon_stride = 0x4000; + + 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 }, + { .compatible = "rockchip,rk3588-dfi", .data = rk3588_dfi_init }, { }, }; diff --git a/include/soc/rockchip/rk3588_grf.h b/include/soc/rockchip/rk3588_grf.h new file mode 100644 index 0000000000000..630b35a550640 --- /dev/null +++ b/include/soc/rockchip/rk3588_grf.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +#ifndef __SOC_RK3588_GRF_H +#define __SOC_RK3588_GRF_H + +#define RK3588_PMUGRF_OS_REG2 0x208 +#define RK3588_PMUGRF_OS_REG2_DRAMTYPE_INFO GENMASK(15, 13) +#define RK3588_PMUGRF_OS_REG2_BW_CH0 GENMASK(3, 2) +#define RK3588_PMUGRF_OS_REG2_BW_CH1 GENMASK(19, 18) +#define RK3588_PMUGRF_OS_REG2_CH_INFO GENMASK(29, 28) + +#define RK3588_PMUGRF_OS_REG3 0x20c +#define RK3588_PMUGRF_OS_REG3_DRAMTYPE_INFO_V3 GENMASK(13, 12) +#define RK3588_PMUGRF_OS_REG3_SYSREG_VERSION GENMASK(31, 28) + +#define RK3588_PMUGRF_OS_REG4 0x210 +#define RK3588_PMUGRF_OS_REG5 0x214 + +#endif /* __SOC_RK3588_GRF_H */