From patchwork Tue Apr 11 06:47:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changhuang Liang X-Patchwork-Id: 13207116 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 CE6BBC7619A for ; Tue, 11 Apr 2023 06:48:39 +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=w86jatbMGA5wMtYxkzr++gnQNO7vz00pgL6+8MTeKK0=; b=QsYA48V46y06WV zjOSxHKx/98u4eqe7OVjCWU3I47oMkPOyh9dnuRQ/NaWj6UwTq6uUzmTJVRZ0Fm/I6yYu1ekISv13 P6020FPYcpQgqC/VWIwA/OxVpnzwYcMyDbvh+P8d5wLzinC6Wtls+8IM1/ebhq5VU0dg+UivCUX22 H8ILbf/N8zEitc9oVthLtLc5rLGrcn6VYeFyowfjz+wZPvty8F/x400EcqSgkEI+Y5N5mJLFYX0yU n6CPHFOOGUms5xSUELbyqQO3GrvB5Vw3Zj3b8F7uZ8i+KVvhCFJ4HRm80QE7sbz2iAEoaTUqQNKm3 IhZzty4GeAT7d7BgHcJg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pm7nr-00GcaA-1n; Tue, 11 Apr 2023 06:48:31 +0000 Received: from ex01.ufhost.com ([61.152.239.75]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pm7nn-00GcQA-20 for linux-riscv@lists.infradead.org; Tue, 11 Apr 2023 06:48:29 +0000 Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id A84DE24E226; Tue, 11 Apr 2023 14:47:48 +0800 (CST) Received: from EXMBX162.cuchost.com (172.16.6.72) by EXMBX165.cuchost.com (172.16.6.75) 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 5/7] soc: starfive: Use call back to parse device tree resources Date: Mon, 10 Apr 2023 23:47:41 -0700 Message-ID: <20230411064743.273388-6-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_234827_989457_622B6C2F X-CRM114-Status: GOOD ( 15.98 ) 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 Different compatible parse device tree resources work in different ways. Signed-off-by: Changhuang Liang --- drivers/soc/starfive/jh71xx_pmu.c | 54 ++++++++++++++++++++++--------- 1 file changed, 39 insertions(+), 15 deletions(-) diff --git a/drivers/soc/starfive/jh71xx_pmu.c b/drivers/soc/starfive/jh71xx_pmu.c index 98f6849d61de..990db6735c48 100644 --- a/drivers/soc/starfive/jh71xx_pmu.c +++ b/drivers/soc/starfive/jh71xx_pmu.c @@ -57,10 +57,14 @@ struct jh71xx_domain_info { u8 bit; }; +struct jh71xx_pmu; + struct jh71xx_pmu_match_data { const struct jh71xx_domain_info *domain_info; int num_domains; u8 pmu_type; + int (*pmu_parse_dt)(struct platform_device *pdev, + struct jh71xx_pmu *pmu); }; struct jh71xx_pmu { @@ -251,6 +255,31 @@ static irqreturn_t jh71xx_pmu_interrupt(int irq, void *data) return IRQ_HANDLED; } +static int jh7110_pmu_general_parse_dt(struct platform_device *pdev, + struct jh71xx_pmu *pmu) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + int ret; + + pmu->base = device_node_to_regmap(np); + if (IS_ERR(pmu->base)) + return PTR_ERR(pmu->base); + + pmu->irq = platform_get_irq(pdev, 0); + if (pmu->irq < 0) + return pmu->irq; + + ret = devm_request_irq(dev, pmu->irq, jh71xx_pmu_interrupt, + 0, pdev->name, pmu); + if (ret) + dev_err(dev, "failed to request irq\n"); + + jh71xx_pmu_int_enable(pmu, JH71XX_PMU_INT_ALL_MASK & ~JH71XX_PMU_INT_PCH_FAIL, true); + + return 0; +} + static int jh71xx_pmu_init_domain(struct jh71xx_pmu *pmu, int index) { struct jh71xx_pmu_dev *pmd; @@ -296,23 +325,20 @@ static int jh71xx_pmu_probe(struct platform_device *pdev) if (!pmu) return -ENOMEM; - pmu->base = device_node_to_regmap(np); - if (IS_ERR(pmu->base)) - return PTR_ERR(pmu->base); - - pmu->irq = platform_get_irq(pdev, 0); - if (pmu->irq < 0) - return pmu->irq; - - ret = devm_request_irq(dev, pmu->irq, jh71xx_pmu_interrupt, - 0, pdev->name, pmu); - if (ret) - dev_err(dev, "failed to request irq\n"); + spin_lock_init(&pmu->lock); match_data = of_device_get_match_data(dev); if (!match_data) return -EINVAL; + if (match_data->pmu_parse_dt) { + ret = match_data->pmu_parse_dt(pdev, pmu); + if (ret) { + dev_err(dev, "failed to parse dt\n"); + return ret; + } + } + pmu->genpd = devm_kcalloc(dev, match_data->num_domains, sizeof(struct generic_pm_domain *), GFP_KERNEL); @@ -332,9 +358,6 @@ static int jh71xx_pmu_probe(struct platform_device *pdev) } } - spin_lock_init(&pmu->lock); - jh71xx_pmu_int_enable(pmu, JH71XX_PMU_INT_ALL_MASK & ~JH71XX_PMU_INT_PCH_FAIL, true); - ret = of_genpd_add_provider_onecell(np, &pmu->genpd_data); if (ret) { dev_err(dev, "failed to register genpd driver: %d\n", ret); @@ -383,6 +406,7 @@ 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, + .pmu_parse_dt = jh7110_pmu_general_parse_dt, }; static const struct of_device_id jh71xx_pmu_of_match[] = {