From patchwork Wed Mar 8 23:09:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sam Protsenko X-Patchwork-Id: 13166560 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 A3D25C678D5 for ; Wed, 8 Mar 2023 23:10:55 +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: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:In-Reply-To:References: List-Owner; bh=77XCJ33R8dzsA2rKfNyty5no/hHfkNKefQyFZhPypH0=; b=w4xs557pxRrnmr G1JoRqG4c0kTe8Pkjp1op9tOQlAI/B3Twlj8wRUanGoytzLpMt+gReFcs8ugci8I+ZHeHHhNxY0R9 EWfOPPAK11pcTboNtZk4v8ieAuV1iKCiZOPSZxr4vPZX7XpbP7Qa/XwHzBUIYJABV9Qg9Ro8DMcdC SILC517587QUsMNPStDN/Z41xVDF19tAye2d8zaAKtrXmt6HlxWE3PYufAzDoOMUzdyu/LeBkDPcD LZ2exi7yMeCPqrj+b2iLecoDVhrkGFZQysO3RcwZEn/fGHe9YXj6pdzYGBKjB1JtYuY7ENbRtNDI6 vV+1xiT6r1f0R7X4pFPQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pa2uv-0072FS-Ao; Wed, 08 Mar 2023 23:09:53 +0000 Received: from mail-oa1-x2b.google.com ([2001:4860:4864:20::2b]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1pa2uk-00729u-GI for linux-arm-kernel@lists.infradead.org; Wed, 08 Mar 2023 23:09:45 +0000 Received: by mail-oa1-x2b.google.com with SMTP id 586e51a60fabf-176eae36feaso479467fac.6 for ; Wed, 08 Mar 2023 15:09:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678316972; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=BSUy9pqri34RafzXpduDuTiVpZ9W29iQLOdXi9MBbjc=; b=W8Fgv56006OYf+0vMpu9nCC7xSYySTNCf0Cq58RxoqFSqWBy3WHUMo0PhtBQmLY2Qh JBGa+5hpuL9dZLX2aVOx8lBr+srtTvlGXu/f5ZhjYUzyfKmBBoOY6kENHqWDKBYixMr8 FwNqVkzrAsR9lMFG0iRbN1LRBTVvPDsVGalUcxtRqIxTbNSDYNy3TW30lH5qZ6LvztCE F0Y3hoAAkI8Sb108QzNayVfT7Q4aN+ra9IjCZRR4WrsD1VUETaceIp4CHoa3OyrIBt1i ucAL1bOZqlOnn/rLQ78+Ah6f1T48YKRJ5BG5y4Sf0bsGSjpqhaBNSD36Aa4buBlYA1O6 X6MA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678316972; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=BSUy9pqri34RafzXpduDuTiVpZ9W29iQLOdXi9MBbjc=; b=5swlsE5L5yS+MLE3jmswYmGkZupgaXbQNPUFeTsJn9Qx+XuKqZlFGaIHwNeI2vQKLi gyVanqXk6mlBJt6aNV4qfYyMa3KHrYkCu/2jCkVY8KWdwc8FU0VtzJ7RNhkcM2llZDzG UIRces7cVLfYTuQqmldsaCN2ktA/9G+xL5o83sG8NPcyREjDwHn9ROOJFxcYI+wR1/2q JjmDkXq3/lJWUXaMl35qOVsQFv6y0Q7gT2mRQlKxI/k3MmWK13R6PTRGBKwDJGDOSo79 ZY8pZkJvoQAlxYlxGMPDFV6OVFdg6WrDHXY7FfAIH6xUDvil4ktjBeaBXpGt/QEOUjy7 rQcA== X-Gm-Message-State: AO0yUKXvuJXonq8L04FCv6e1ZDJ8+DnvBHdaWLvajjk+eaqCbGgCQrae mvRPfSgSeOUFMhh0UBgzPS/t7Q== X-Google-Smtp-Source: AK7set8N1gB2a3Ev0DG0ifVpKRpIm2ymT29/NKvYWTyo6j5FanN5C+/s4trt5ujy9fqa+Tgwue1MVw== X-Received: by 2002:a05:6871:6a0:b0:172:55c5:780 with SMTP id l32-20020a05687106a000b0017255c50780mr12841967oao.23.1678316972450; Wed, 08 Mar 2023 15:09:32 -0800 (PST) Received: from localhost ([136.49.140.41]) by smtp.gmail.com with ESMTPSA id h21-20020a056870d25500b0016e9308e17bsm6704527oac.52.2023.03.08.15.09.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Mar 2023 15:09:32 -0800 (PST) From: Sam Protsenko To: Krzysztof Kozlowski , Rob Herring Cc: Alim Akhtar , Marek Szyprowski , Chanwoo Choi , Chanho Park , David Virag , linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/6] soc: samsung: pm_domains: Add Exynos850 support Date: Wed, 8 Mar 2023 17:09:25 -0600 Message-Id: <20230308230931.27261-1-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230308_150942_566019_81133F72 X-CRM114-Status: GOOD ( 17.92 ) 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 Power Domains in Exynos850 are not really different from other Exynos platforms. Enabling Exynos850 support in the PD driver is really just a matter of adding: static const struct exynos_pm_domain_config exynos850_cfg = { .local_pwr_cfg = 0x1, }; to the driver. But in the face of recent developments, e.g. this patch: arm64: dts: exynos: move MIPI phy to PMU node in Exynos5433 it looked logical to rework the PD driver a bit to support its nesting under the PMU node, while adding Exynos850 support to it. Initially I only wanted to add syscon regmap support via some dedicated property, but pulling PD nodes under the PMU syscon looks like more correct way. This patch series provides next changes: 1. Make it possible for PD nodes to be children of PMU 2. Add Exynos850 support to PD driver 3. A bit of refactoring in PD driver 4. Corresponding changes to dt-bindings Dependencies inside of the series: - patch #2 depends on patch #1 - patch #6 depends on patch #1 - patches 3,4,5,6 should be applied in the same order as in the series Sam Protsenko (6): dt-bindings: power: pd-samsung: Add Exynos850 support dt-bindings: power: pd-samsung: Allow pd nodes to be children of PMU soc: samsung: pm_domains: Extract DT handling into a separate function soc: samsung: pm_domains: Implement proper I/O operations soc: samsung: pm_domains: Allow PD to be a child of PMU syscon soc: samsung: pm_domains: Add Exynos850 support .../devicetree/bindings/power/pd-samsung.yaml | 12 +- MAINTAINERS | 1 + drivers/soc/samsung/Kconfig | 1 + drivers/soc/samsung/pm_domains.c | 132 +++++++++++++++--- .../power/samsung,exynos850-power.h | 17 +++ 5 files changed, 142 insertions(+), 21 deletions(-) create mode 100644 include/dt-bindings/power/samsung,exynos850-power.h