From patchwork Tue Apr 11 06:47:40 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changhuang Liang X-Patchwork-Id: 13207123 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 1BFF3C7619A for ; Tue, 11 Apr 2023 06:48:50 +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=9wX7nj+xFxRlmEaxUy++AH7rLU42ku3Xd5JXPvYS0yY=; b=CDJxzjy4uxtQ8q tpL0BBIz1oXnVGzghF3qDu9XCeD5b5X7c6CvVq+gKbt0VNMSSyriKJinhdgGWMfqBXc0t/sLiLAH2 2oL7keBgCwnP5fRRBtuBwQQqe2N4YzZpl2C6C+kqtBaA+4uApq/qpGMcLqkjbjPmE5ljkRk1vHhl+ 4ip8V8fusdpxPAbhXcsjkvAQsX5XXiS0hr+ofZpfVpB87TiKeWQxNvAxgnSn2dItn4vM8S5/zVibI cVHiTXFVvQGPcsvWDiKpS6BEhTW45cxSiKN+JRnJ1GV7M8hLOwNd+lxofmYoM4kbUG9YWGHbwxdJd fOijVY3xdQPiUPvNjVoA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pm7o2-00Gcig-29; Tue, 11 Apr 2023 06:48:42 +0000 Received: from fd01.gateway.ufhost.com ([61.152.239.71]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pm7ny-00GcQN-2p for linux-riscv@lists.infradead.org; Tue, 11 Apr 2023 06:48:40 +0000 Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id F336D24E2B9; Tue, 11 Apr 2023 14:47:47 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 11 Apr 2023 14:47:48 +0800 Received: from ubuntu.localdomain (113.72.145.176) by EXMBX162.cuchost.com (172.16.6.72) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 11 Apr 2023 14:47:47 +0800 From: Changhuang Liang To: Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou CC: Walker Chen , Changhuang Liang , , , Subject: [PATCH v1 4/7] soc: starfive: Add pmu type operation Date: Mon, 10 Apr 2023 23:47:40 -0700 Message-ID: <20230411064743.273388-5-changhuang.liang@starfivetech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230411064743.273388-1-changhuang.liang@starfivetech.com> References: <20230411064743.273388-1-changhuang.liang@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.145.176] X-ClientProxiedBy: EXCAS064.cuchost.com (172.16.6.24) To EXMBX162.cuchost.com (172.16.6.72) X-YovoleRuleAgent: yovoleflag X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230410_234839_267367_6383A723 X-CRM114-Status: GOOD ( 15.78 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add pmu type, make a distinction between different PMU. Signed-off-by: Changhuang Liang --- drivers/soc/starfive/jh71xx_pmu.c | 55 ++++++++++++++++++++++--------- 1 file changed, 39 insertions(+), 16 deletions(-) diff --git a/drivers/soc/starfive/jh71xx_pmu.c b/drivers/soc/starfive/jh71xx_pmu.c index 306218c83691..98f6849d61de 100644 --- a/drivers/soc/starfive/jh71xx_pmu.c +++ b/drivers/soc/starfive/jh71xx_pmu.c @@ -45,6 +45,12 @@ */ #define JH71XX_PMU_TIMEOUT_US 100 +/* pmu type */ +enum pmu_type { + JH71XX_PMU_GENERAL, + JH71XX_PMU_DPHY, +}; + struct jh71xx_domain_info { const char * const name; unsigned int flags; @@ -54,6 +60,7 @@ struct jh71xx_domain_info { struct jh71xx_pmu_match_data { const struct jh71xx_domain_info *domain_info; int num_domains; + u8 pmu_type; }; struct jh71xx_pmu { @@ -75,19 +82,23 @@ struct jh71xx_pmu_dev { static int jh71xx_pmu_get_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool *is_on) { struct jh71xx_pmu *pmu = pmd->pmu; + unsigned int offset = 0; unsigned int val; if (!mask) return -EINVAL; - regmap_read(pmu->base, JH71XX_PMU_CURR_POWER_MODE, &val); + if (pmu->match_data->pmu_type == JH71XX_PMU_GENERAL) + offset = JH71XX_PMU_CURR_POWER_MODE; + + regmap_read(pmu->base, offset, &val); *is_on = val & mask; return 0; } -static int jh71xx_pmu_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on) +static int jh71xx_pmu_general_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on) { struct jh71xx_pmu *pmu = pmd->pmu; unsigned long flags; @@ -95,22 +106,8 @@ static int jh71xx_pmu_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on) u32 mode; u32 encourage_lo; u32 encourage_hi; - bool is_on; int ret; - ret = jh71xx_pmu_get_state(pmd, mask, &is_on); - if (ret) { - dev_dbg(pmu->dev, "unable to get current state for %s\n", - pmd->genpd.name); - return ret; - } - - if (is_on == on) { - dev_dbg(pmu->dev, "pm domain [%s] is already %sable status.\n", - pmd->genpd.name, on ? "en" : "dis"); - return 0; - } - spin_lock_irqsave(&pmu->lock, flags); /* @@ -169,6 +166,31 @@ static int jh71xx_pmu_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on) return 0; } +static int jh71xx_pmu_set_state(struct jh71xx_pmu_dev *pmd, u32 mask, bool on) +{ + struct jh71xx_pmu *pmu = pmd->pmu; + bool is_on; + int ret = 0; + + ret = jh71xx_pmu_get_state(pmd, mask, &is_on); + if (ret) { + dev_dbg(pmu->dev, "unable to get current state for %s\n", + pmd->genpd.name); + return ret; + } + + if (is_on == on) { + dev_dbg(pmu->dev, "pm domain [%s] is already %sable status.\n", + pmd->genpd.name, on ? "en" : "dis"); + return 0; + } + + if (pmu->match_data->pmu_type == JH71XX_PMU_GENERAL) + ret = jh71xx_pmu_general_set_state(pmd, mask, on); + + return ret; +} + static int jh71xx_pmu_on(struct generic_pm_domain *genpd) { struct jh71xx_pmu_dev *pmd = container_of(genpd, @@ -360,6 +382,7 @@ static const struct jh71xx_domain_info jh7110_power_domains[] = { static const struct jh71xx_pmu_match_data jh7110_pmu = { .num_domains = ARRAY_SIZE(jh7110_power_domains), .domain_info = jh7110_power_domains, + .pmu_type = JH71XX_PMU_GENERAL, }; static const struct of_device_id jh71xx_pmu_of_match[] = {