From patchwork Thu Oct 31 07:02:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cody Eksal X-Patchwork-Id: 13857650 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 6AD21E68956 for ; Thu, 31 Oct 2024 07:25:41 +0000 (UTC) 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=dLOZ4tebHtRtPz3pKOvZ/jJ9j2z40yEgxHTKKYGN5fQ=; b=b1sAyq2zQMr1LhA8uhlRj0BKV+ wdA78/hb1aFw+2SQAH5RU4yxR6aSGntGFF2Ighttfx9LyvOyPhzEkpMEhFWjjvCfmWbBH9PKdrMUS ye9iiLmcKGxJdLnUG5TpH6rXfvFKwc0bewTUPSR4uGE9J68a0oWCITRkLDJg23f0qGd+gmAOR9upl fAphOiI7mM+azl/m8i7tA2DGM7cx4caGjJwjBBr1FDK05zpgJfqD5KSL+sJAaBGradGDGkn4Jizis A8XSYYGNKJWmVAvHgHvHNp0wby18GzQ29J9ODcCMxDXAXCZZXUnbKtuEFVWyOGLJvLLSZiH2jWvgG I060rSfA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t6PYc-00000002nt3-1sUO; Thu, 31 Oct 2024 07:25:26 +0000 Received: from thales.epochal.quest ([51.222.15.28]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1t6PDO-00000002kVo-2BZp for linux-arm-kernel@lists.infradead.org; Thu, 31 Oct 2024 07:03:33 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=epochal.quest; s=default; t=1730358206; bh=nnLK7vdS2Jw3tJYIfQcazeyvsSONfvWoJ57ZBLGoLRs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f5aonTIPZ3ov2mqf1MwtR3Qr76H/P4hBfDCBhiFGIGCsImTtOkadF8sG5nshiBAgy B6UVyG9+LxOyfUTB4HB0hcoKh/DzxpMoLt6feRx0Q4hAB+34m2oAQVrbxVJprDK+VO 4wRk0PDmR8S5GozMQblFlj72xT3f/642Q00Uqja+mraD8wtr5eXEzmy4qkACkRe8a4 T3I30aeN5eQ2C7fagPFslHgg+kANBhOaOQ2F3AgWChoYOz8IMHV5jqWMxeYzL11+Pa tNdJ+imtc2baPScXVlYR5AJp00NHn5rKQhNz9J/RLnajsFwUqy9PPo8s6ZiPL5dKrX vuALB5l9Hw/qQ== X-Virus-Scanned: by epochal.quest From: Cody Eksal To: "Rafael J. Wysocki" , Viresh Kumar , Yangtao Li , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Conor Dooley , Greg Kroah-Hartman , Kishon Vijay Abraham I , Krzysztof Kozlowski , Maxime Ripard , Michael Turquette , Nishanth Menon , Rob Herring , Stephen Boyd , Vinod Koul , Viresh Kumar , Parthiban , Andre Przywara , Cody Eksal , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev Subject: [PATCH v2 12/13] cpufreq: sun50i: add a100 cpufreq support Date: Thu, 31 Oct 2024 04:02:25 -0300 Message-ID: <20241031070232.1793078-13-masterr3c0rd@epochal.quest> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241031070232.1793078-1-masterr3c0rd@epochal.quest> References: <20241031070232.1793078-1-masterr3c0rd@epochal.quest> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241031_000330_778003_1F3F6985 X-CRM114-Status: GOOD ( 14.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Shuosheng Huang Let's add cpufreq nvmem based for allwinner a100 soc. It's similar to h6, let us use efuse_xlate to extract the differentiated part. Signed-off-by: Shuosheng Huang [masterr3c0rd@epochal.quest: add A100 to opp_match_list] Signed-off-by: Cody Eksal Reviewed-by: Andre Przywara Tested-by: Andre Przywara Tested-by: Parthiban Nallathambi Acked-by: Chen-Yu Tsai --- Changes in V2: - Add the A100 to the cpufreq-dt-platdev blacklist. drivers/cpufreq/cpufreq-dt-platdev.c | 1 + drivers/cpufreq/sun50i-cpufreq-nvmem.c | 28 ++++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c index 18942bfe9c95..2a3e8bd317c9 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -103,6 +103,7 @@ static const struct of_device_id allowlist[] __initconst = { * platforms using "operating-points-v2" property. */ static const struct of_device_id blocklist[] __initconst = { + { .compatible = "allwinner,sun50i-a100" }, { .compatible = "allwinner,sun50i-h6", }, { .compatible = "allwinner,sun50i-h616", }, { .compatible = "allwinner,sun50i-h618", }, diff --git a/drivers/cpufreq/sun50i-cpufreq-nvmem.c b/drivers/cpufreq/sun50i-cpufreq-nvmem.c index 293921acec93..3a29c026d364 100644 --- a/drivers/cpufreq/sun50i-cpufreq-nvmem.c +++ b/drivers/cpufreq/sun50i-cpufreq-nvmem.c @@ -22,6 +22,9 @@ #define NVMEM_MASK 0x7 #define NVMEM_SHIFT 5 +#define SUN50I_A100_NVMEM_MASK 0xf +#define SUN50I_A100_NVMEM_SHIFT 12 + static struct platform_device *cpufreq_dt_pdev, *sun50i_cpufreq_pdev; struct sunxi_cpufreq_data { @@ -45,6 +48,23 @@ static u32 sun50i_h6_efuse_xlate(u32 speedbin) return 0; } +static u32 sun50i_a100_efuse_xlate(u32 speedbin) +{ + u32 efuse_value; + + efuse_value = (speedbin >> SUN50I_A100_NVMEM_SHIFT) & + SUN50I_A100_NVMEM_MASK; + + switch (efuse_value) { + case 0b100: + return 2; + case 0b010: + return 1; + default: + return 0; + } +} + static int get_soc_id_revision(void) { #ifdef CONFIG_HAVE_ARM_SMCCC_DISCOVERY @@ -108,6 +128,10 @@ static struct sunxi_cpufreq_data sun50i_h6_cpufreq_data = { .efuse_xlate = sun50i_h6_efuse_xlate, }; +static struct sunxi_cpufreq_data sun50i_a100_cpufreq_data = { + .efuse_xlate = sun50i_a100_efuse_xlate, +}; + static struct sunxi_cpufreq_data sun50i_h616_cpufreq_data = { .efuse_xlate = sun50i_h616_efuse_xlate, }; @@ -116,6 +140,9 @@ static const struct of_device_id cpu_opp_match_list[] = { { .compatible = "allwinner,sun50i-h6-operating-points", .data = &sun50i_h6_cpufreq_data, }, + { .compatible = "allwinner,sun50i-a100-operating-points", + .data = &sun50i_a100_cpufreq_data, + }, { .compatible = "allwinner,sun50i-h616-operating-points", .data = &sun50i_h616_cpufreq_data, }, @@ -291,6 +318,7 @@ static struct platform_driver sun50i_cpufreq_driver = { static const struct of_device_id sun50i_cpufreq_match_list[] = { { .compatible = "allwinner,sun50i-h6" }, + { .compatible = "allwinner,sun50i-a100" }, { .compatible = "allwinner,sun50i-h616" }, { .compatible = "allwinner,sun50i-h618" }, { .compatible = "allwinner,sun50i-h700" },