linux-kernel - [PATCH v1 07/19] staging: media: tegra-video: csi: parametrize MIPI calibration device presence

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Message-ID: <20250819121631.84280-8-clamor95@gmail.com>
Date: Tue, 19 Aug 2025 15:16:19 +0300
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Thierry Reding <thierry.reding@...il.com>,
	Thierry Reding <treding@...dia.com>,
	Mikko Perttunen <mperttunen@...dia.com>,
	Jonathan Hunter <jonathanh@...dia.com>,
	Sowjanya Komatineni <skomatineni@...dia.com>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Svyatoslav Ryhel <clamor95@...il.com>,
	Dmitry Osipenko <digetx@...il.com>,
	Charan Pedumuru <charan.pedumuru@...il.com>
Cc: linux-media@...r.kernel.org,
	linux-tegra@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org,
	linux-staging@...ts.linux.dev
Subject: [PATCH v1 07/19] staging: media: tegra-video: csi: parametrize MIPI calibration device presence

Dedicated MIPI calibration block appears only in Tegra114, before Tegra114
all MIPI calibration pads were part of VI block.

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 drivers/staging/media/tegra-video/csi.c      | 12 +++++++-----
 drivers/staging/media/tegra-video/csi.h      |  1 +
 drivers/staging/media/tegra-video/tegra210.c |  1 +
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c
index 74c92db1032f..2f9907a20db1 100644
--- a/drivers/staging/media/tegra-video/csi.c
+++ b/drivers/staging/media/tegra-video/csi.c
@@ -485,11 +485,13 @@ static int tegra_csi_channel_alloc(struct tegra_csi *csi,
 	if (IS_ENABLED(CONFIG_VIDEO_TEGRA_TPG))
 		return 0;
 
-	chan->mipi = tegra_mipi_request(csi->dev, node);
-	if (IS_ERR(chan->mipi)) {
-		ret = PTR_ERR(chan->mipi);
-		chan->mipi = NULL;
-		dev_err(csi->dev, "failed to get mipi device: %d\n", ret);
+	if (csi->soc->has_mipi_calibration) {
+		chan->mipi = tegra_mipi_request(csi->dev, node);
+		if (IS_ERR(chan->mipi)) {
+			ret = PTR_ERR(chan->mipi);
+			chan->mipi = NULL;
+			dev_err(csi->dev, "failed to get mipi device: %d\n", ret);
+		}
 	}
 
 	return ret;
diff --git a/drivers/staging/media/tegra-video/csi.h b/drivers/staging/media/tegra-video/csi.h
index 3ed2dbc73ce9..400b913bb1cb 100644
--- a/drivers/staging/media/tegra-video/csi.h
+++ b/drivers/staging/media/tegra-video/csi.h
@@ -128,6 +128,7 @@ struct tegra_csi_soc {
 	unsigned int num_clks;
 	const struct tpg_framerate *tpg_frmrate_table;
 	unsigned int tpg_frmrate_table_size;
+	bool has_mipi_calibration;
 };
 
 /**
diff --git a/drivers/staging/media/tegra-video/tegra210.c b/drivers/staging/media/tegra-video/tegra210.c
index da99f19a39e7..305472e94af4 100644
--- a/drivers/staging/media/tegra-video/tegra210.c
+++ b/drivers/staging/media/tegra-video/tegra210.c
@@ -1218,4 +1218,5 @@ const struct tegra_csi_soc tegra210_csi_soc = {
 	.num_clks = ARRAY_SIZE(tegra210_csi_cil_clks),
 	.tpg_frmrate_table = tegra210_tpg_frmrate_table,
 	.tpg_frmrate_table_size = ARRAY_SIZE(tegra210_tpg_frmrate_table),
+	.has_mipi_calibration = true,
 };
-- 
2.48.1