From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=74.125.82.173 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794704415; b=XAxDSp+QAOhKMWZX2IIJV4aJafJQd+/vtOvZNufRgYO9NuPhL/x0aSXsPddmS4+5LebS mliZIo79ab26un2PUSXlO8BW+oIiQjnXc57rESozcNpqC4tmn6ounm6YaEWIJvIxLGQM4 V5VTOsw3M7+alrmOdMNBNDOgdkLr4Zo0zUcoI+Mju8KQJBaDKTrxvba7JSvnqaTTxudE6 iK9B37nbSL1SxEbJSO2cY43WvB6e/rVAiKRrBY/DGFl4ulJUpis2MogoRc6KPG08WJToU X+UsVrGtJtaH20nOYIp2midpSGrjWH66HkTwUGyeYSumQGR1gPf6KJWs8PN1jpGx5hA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794704415; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: Message-ID:Date:MIME-Version:User-Agent:Reply-To:Subject: Content-Language:To:Cc:References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=5JVcksrPn6+Ig6tuNU22o2qjR3uSsPz6hcIi+8PBA4g=; b=GGwlMT3JvhpvZy8krWlwNNPsBth2pDPJkUFXLnnMw28U3gmMLEVzEVxSnlCgNaFTvKmn oDPzyvydslqAlyQufM/2pOHngrlRKZ86izxsLPpPUhfX5JqTHSz6Ekw1OfQw3BBip3TBe q4cBpiCBXIJPKCw7nUyRCmZPNRPOTgKGQ3DGQDz8s7QTb4NP3GyHuKAl3Pls0EJQzKejL 0V1zOvi83aXlnAfn0kNsX0WrEBfv3wmSWat5y733IOBPaPE7IpM4JQfysuYVvSuugZ5BV 6ixWt155qGXagpYqIoHha9eAhniA0dB0S1dMNhOwRGYl1kXwTE135BKPnEP+q06YWzg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=XcrRPS93; arc=none smtp.remote-ip=74.125.82.173 Received: from mail-dy1-f173.google.com (mail-dy1-f173.google.com [74.125.82.173]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 31634606A327 for ; Sun, 15 Nov 2026 01:00:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 31634606A327 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=XcrRPS93 Received: by mail-dy1-f173.google.com with SMTP id 5a478bee46e88-37d424f1ae8so504226eec.1 for ; Sat, 14 Nov 2026 17:00:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20260707; t=1794704414; x=1795309214; darn=vger.kernel.org; h=content-transfer-encoding:content-type:in-reply-to:from:references :cc:to:content-language:subject:reply-to:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to :content-type; bh=5JVcksrPn6+Ig6tuNU22o2qjR3uSsPz6hcIi+8PBA4g=; b=XcrRPS936P40vJno3XvqyDp8fAli9TuND9KYSi1V5lmSwLiBH63p01bDAcdtZA4bTX J/W9I4NXICyt47rJfltq6+b8mnoNn5sCp1YIjAjkpT9u5Uq0y6ipNma8gZPZn+k1AUdY z+fOIkNd+wcVt5uX2/wOLwR8dQN9cgCwc9KvVOlp7KrLJwqEGJLar9ZdARuOoIe3VvHT CiHYsCOxpMRDw4MP9d3JbSzEONnWzYdpfjGvRxRSWlE1W+CyGw/dHDcxOAcO1Lv8fXxC OEnkpOWaEGBrRwsieMLA9wlrMVLqI1ceO084+uugzp4XTcYP4wip3TWr4R2VBgYf+ooz DX9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794704414; x=1795309214; h=content-transfer-encoding:content-type:in-reply-to:from:references :cc:to:content-language:subject:reply-to:user-agent:mime-version :date:message-id:x-gm-gg:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to:content-type; bh=5JVcksrPn6+Ig6tuNU22o2qjR3uSsPz6hcIi+8PBA4g=; b=iJwgdqO+OD2SLmf7dG2FyAPkDYGxwnubgrk2mTTt1JqAB4GAWqZKnZ35cc9G7LU3px oiwSjFVxOdoKmvmh28Bc2Qjdf0xRkNt+FIQ22miFKcZvSATlXCEGqsC2K7g+AZUHK54n jTztXY7C1jTshFxtWhRTrpF5s6r5AGeELz3D7xSVpwy/5rhaFuYMd9QgTRdpgZqsBKAl 80yvsQz+HXEn0Vr05my8F5j0gk+An5K7CrOQTFqaVIeqIOgtFwkkSknmCxWZk/19cvz5 roFnMAKmlNCUe+m/8dRDmqSQYyDZmNZh43/KP4tJu3NJvVYU45w4RLRWEzcx5d9lowkN 9S0w== X-Forwarded-Encrypted: i=1; AL+hErH1bYM1ciGtHzR2AJuzgY5E5kbsEKy/W2w5UyFAbIUGmUt+Q93mJ1Yoe5txYId9mW7QdLJRDAXLqWU=@vger.kernel.org X-Gm-Message-State: APuU4Z8SReFe815qiECVXReJzyWXw7sGD0QZOEW7cY555L6a2IaXTVrE 5JtWZ8xs1NGUi9Lv5Ed0dCsHSAe5QOpdy7nQBqk+i6iMASzpL9hFdfl5 X-Gm-Gg: AYBFou0ighNwQErmhQ7ss+aDrq2cZtKcb57pezGIqeoEDDzBE4F7B5A894HP6AAXji4 LNJmMTKJOVPSeJIwfOwuqYzayu3+gMRbI47UCV6pTlW3/3v5aBcyt74BJOGfKbf04/FgaYK1CzF DYKhAP+PmozGLX9H36cY/JSB1gYYhPxknL9bMUKQ1R9RHWdTRC8paVAB/0A4PQsJIuC6xpFokX1 r+KS6ImSkP+7gj5ji1TKNUZBcEu9rHbiGpjArmzDg4UZXh8L2o7attunTNqctrX+Lhg+MwHe3eB LQc5diLV+mP86CYjXREut3+FQwmLLcOWjJh3vVr4KvPndIG11zR0ZqrDN6Ql8Jvey3mncEZLjcW TmsV1Uvsj9+XlteDyfzufX8xBYzI1smB0D9CjZvRhwANHoqDAWEKKC9qGpPE2bD7HYt4sRaZ/8b fuQ1IcF3q2zAU+ojnLOCswJ7oJFpf9HsZA9Lde4VP48MmAfaB1ns9lUVVobDWwsEEWvqpxfLrN6 tnODqQ6hS+m7ct3JfBGxbHwmFksFA1pg616P1yXJhuKgIctFfLT9pDoO21LvmXmIQy+IRMYIGRt gCI0/1AG5Q8OyvTBKObKSfHLvF8a8C797Ud8LUgEM+XRGugd0c5d1y7lFMXnYqRJ8sk= X-Received: by 2002:a05:7300:7481:b0:375:c5e1:931d with SMTP id 5a478bee46e88-37966e3aff8mr9267695eec.25.1794704413837; Sat, 14 Nov 2026 17:00:13 -0800 (PST) Received: from [192.168.35.43] ([218.50.238.131]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-379560f5e06sm26895445eec.19.2026.11.14.17.00.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 14 Nov 2026 17:00:13 -0800 (PST) Message-ID: Date: Sun, 15 Nov 2026 10:00:08 +0900 X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Reply-To: chanwoo@kernel.org Subject: Re: [PATCH v2 7/7] PM / devfreq: rockchip-dfi: add RK3576 support Content-Language: ko To: Sebastian Reichel , Stephen Boyd , Brian Masney , Jerome Brunet , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Chanwoo Choi , MyungJoo Ham , Kyungmin Park , Sascha Hauer Cc: Nicolas Frattaroli , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, kernel@collabora.com References: <20260921-b4-rockchip-dfi-rk3576-support-v2-0-04f847016321@collabora.com> <20260921-b4-rockchip-dfi-rk3576-support-v2-7-04f847016321@collabora.com> From: Choi Chanwoo In-Reply-To: <20260921-b4-rockchip-dfi-rk3576-support-v2-7-04f847016321@collabora.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 9/22/2026 6:15 AM, Sebastian Reichel wrote: > Add RK3576 support to the DFI driver exposing the same functionality > as found on previous chips. This uses the RK3588 init for getting the > DRAM type info from the GRF registers. In contrast to RK3588 it uses > a newer DDRMON controller IP, though (version 0x40). > > Co-developed-by: Nicolas Frattaroli > Signed-off-by: Nicolas Frattaroli > Signed-off-by: Sebastian Reichel > --- > drivers/devfreq/event/rockchip-dfi.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c > index 8ba97af78e3d..a895e566b4b9 100644 > --- a/drivers/devfreq/event/rockchip-dfi.c > +++ b/drivers/devfreq/event/rockchip-dfi.c > @@ -858,6 +858,10 @@ static const char * const rk3399_clk_names[] = { > "pclk_ddr_mon", > }; > > +static const char * const rk3576_clk_names[] = { > + "pclk_ddr_mon_ch0", "pclk_ddr_mon_ch1", > +}; > + > static const char * const rk3588_clk_names[] = { > "pclk_ddr_mon_ch0", "pclk_ddr_mon_ch1", "pclk_ddr_mon_ch2", > "pclk_ddr_mon_ch3", > @@ -887,6 +891,18 @@ static const struct rockchip_dfi_variant rk3568_variant = { > .reg_access = 0x2c, > }; > > +static const struct rockchip_dfi_variant rk3576_variant = { > + .init = rk3588_dfi_init, > + .stride = 0x10000, > + .max_channels = 2, > + .clk_names = rk3576_clk_names, > + .num_clks = ARRAY_SIZE(rk3576_clk_names), > + .reg_write_access = 0x28, > + .reg_read_access = 0x2c, > + .reg_access = 0x34, > + .reg_clock_cycles = 0x30, > +}; > + > static const struct rockchip_dfi_variant rk3588_variant = { > .init = rk3588_dfi_init, > .stride = 0x4000, > @@ -903,6 +919,7 @@ static const struct rockchip_dfi_variant rk3588_variant = { > static const struct of_device_id rockchip_dfi_id_match[] = { > { .compatible = "rockchip,rk3399-dfi", .data = &rk3399_variant }, > { .compatible = "rockchip,rk3568-dfi", .data = &rk3568_variant }, > + { .compatible = "rockchip,rk3576-dfi", .data = &rk3576_variant }, > { .compatible = "rockchip,rk3588-dfi", .data = &rk3588_variant }, > { }, > }; > Acked-by: Chanwoo Choi -- Best Regards, Chanwoo Choi Principal Engineer, Samsung Electronics