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([188.163.112.70]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-58b0118d22bsm6911016e87.85.2025.10.08.00.31.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Oct 2025 00:31:35 -0700 (PDT) From: Svyatoslav Ryhel To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , Sowjanya Komatineni , Luca Ceresoli , Prashant Gaikwad , Michael Turquette , Stephen Boyd , Mikko Perttunen , Linus Walleij , Mauro Carvalho Chehab , Greg Kroah-Hartman , Svyatoslav Ryhel , =?UTF-8?q?Jonas=20Schw=C3=B6bel?= , Dmitry Osipenko , Charan Pedumuru , Diogo Ivo , Aaron Kling , Arnd Bergmann Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-clk@vger.kernel.org, linux-gpio@vger.kernel.org, linux-staging@lists.linux.dev Subject: [PATCH v4 13/24] staging: media: tegra-video: csi: move avdd-dsi-csi-supply from VI to CSI Date: Wed, 8 Oct 2025 10:30:35 +0300 Message-ID: <20251008073046.23231-14-clamor95@gmail.com> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20251008073046.23231-1-clamor95@gmail.com> References: <20251008073046.23231-1-clamor95@gmail.com> Precedence: bulk X-Mailing-List: linux-clk@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The avdd-dsi-csi-supply is CSI power supply not VI, hence move it to proper place. Signed-off-by: Svyatoslav Ryhel Tested-by: Luca Ceresoli # Tegra20 VIP Reviewed-by: Luca Ceresoli Reviewed-by: Mikko Perttunen --- drivers/staging/media/tegra-video/csi.c | 19 ++++++++++++++++++- drivers/staging/media/tegra-video/csi.h | 2 ++ drivers/staging/media/tegra-video/vi.c | 23 ++--------------------- drivers/staging/media/tegra-video/vi.h | 2 -- 4 files changed, 22 insertions(+), 24 deletions(-) diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c index ef5f054b6d49..7d70478a07aa 100644 --- a/drivers/staging/media/tegra-video/csi.c +++ b/drivers/staging/media/tegra-video/csi.c @@ -710,6 +710,8 @@ static int __maybe_unused csi_runtime_suspend(struct device *dev) clk_bulk_disable_unprepare(csi->soc->num_clks, csi->clks); + regulator_disable(csi->vdd); + return 0; } @@ -718,13 +720,23 @@ static int __maybe_unused csi_runtime_resume(struct device *dev) struct tegra_csi *csi = dev_get_drvdata(dev); int ret; + ret = regulator_enable(csi->vdd); + if (ret) { + dev_err(dev, "failed to enable VDD supply: %d\n", ret); + return ret; + } + ret = clk_bulk_prepare_enable(csi->soc->num_clks, csi->clks); if (ret < 0) { dev_err(csi->dev, "failed to enable clocks: %d\n", ret); - return ret; + goto disable_vdd; } return 0; + +disable_vdd: + regulator_disable(csi->vdd); + return ret; } static int tegra_csi_init(struct host1x_client *client) @@ -802,6 +814,11 @@ static int tegra_csi_probe(struct platform_device *pdev) return ret; } + csi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi"); + if (IS_ERR(csi->vdd)) + return dev_err_probe(&pdev->dev, PTR_ERR(csi->vdd), + "failed to get VDD supply"); + if (!pdev->dev.pm_domain) { ret = -ENOENT; dev_warn(&pdev->dev, "PM domain is not attached: %d\n", ret); diff --git a/drivers/staging/media/tegra-video/csi.h b/drivers/staging/media/tegra-video/csi.h index 3ed2dbc73ce9..1550defb115a 100644 --- a/drivers/staging/media/tegra-video/csi.h +++ b/drivers/staging/media/tegra-video/csi.h @@ -137,6 +137,7 @@ struct tegra_csi_soc { * @client: host1x_client struct * @iomem: register base * @clks: clock for CSI and CIL + * @vdd: vdd regulator for CSI hardware, usually avdd_dsi_csi * @soc: pointer to SoC data structure * @ops: csi operations * @csi_chans: list head for CSI channels @@ -146,6 +147,7 @@ struct tegra_csi { struct host1x_client client; void __iomem *iomem; struct clk_bulk_data *clks; + struct regulator *vdd; const struct tegra_csi_soc *soc; const struct tegra_csi_ops *ops; struct list_head csi_chans; diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 04b538e8b514..70607a3eeee1 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -1417,29 +1417,19 @@ static int __maybe_unused vi_runtime_resume(struct device *dev) struct tegra_vi *vi = dev_get_drvdata(dev); int ret; - ret = regulator_enable(vi->vdd); - if (ret) { - dev_err(dev, "failed to enable VDD supply: %d\n", ret); - return ret; - } - ret = clk_set_rate(vi->clk, vi->soc->vi_max_clk_hz); if (ret) { dev_err(dev, "failed to set vi clock rate: %d\n", ret); - goto disable_vdd; + return ret; } ret = clk_prepare_enable(vi->clk); if (ret) { dev_err(dev, "failed to enable vi clock: %d\n", ret); - goto disable_vdd; + return ret; } return 0; - -disable_vdd: - regulator_disable(vi->vdd); - return ret; } static int __maybe_unused vi_runtime_suspend(struct device *dev) @@ -1448,8 +1438,6 @@ static int __maybe_unused vi_runtime_suspend(struct device *dev) clk_disable_unprepare(vi->clk); - regulator_disable(vi->vdd); - return 0; } @@ -1894,13 +1882,6 @@ static int tegra_vi_probe(struct platform_device *pdev) return ret; } - vi->vdd = devm_regulator_get(&pdev->dev, "avdd-dsi-csi"); - if (IS_ERR(vi->vdd)) { - ret = PTR_ERR(vi->vdd); - dev_err(&pdev->dev, "failed to get VDD supply: %d\n", ret); - return ret; - } - if (!pdev->dev.pm_domain) { ret = -ENOENT; dev_warn(&pdev->dev, "PM domain is not attached: %d\n", ret); diff --git a/drivers/staging/media/tegra-video/vi.h b/drivers/staging/media/tegra-video/vi.h index cac0c0d0e225..bfadde8858d4 100644 --- a/drivers/staging/media/tegra-video/vi.h +++ b/drivers/staging/media/tegra-video/vi.h @@ -94,7 +94,6 @@ struct tegra_vi_soc { * @client: host1x_client struct * @iomem: register base * @clk: main clock for VI block - * @vdd: vdd regulator for VI hardware, normally it is avdd_dsi_csi * @soc: pointer to SoC data structure * @ops: vi operations * @vi_chans: list head for VI channels @@ -104,7 +103,6 @@ struct tegra_vi { struct host1x_client client; void __iomem *iomem; struct clk *clk; - struct regulator *vdd; const struct tegra_vi_soc *soc; const struct tegra_vi_ops *ops; struct list_head vi_chans; -- 2.48.1