linux-kernel - [PATCH v2 3/6] media: qcom: camss: Add Kaanapali compatible camss driver

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Message-Id: <20251014-add-support-for-camss-on-kaanapali-v2-3-f5745ba2dff9@oss.qualcomm.com>
Date: Tue, 14 Oct 2025 19:56:03 -0700
From: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
To: Loic Poulain <loic.poulain@....qualcomm.com>,
        Robert Foss <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, aiqun.yu@....qualcomm.com,
        tingwei.zhang@....qualcomm.com, trilok.soni@....qualcomm.com,
        yijie.yang@....qualcomm.com,
        Jingyi Wang <jingyi.wang@....qualcomm.com>,
        Atiya Kailany <atiya.kailany@....qualcomm.com>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>
Subject: [PATCH v2 3/6] media: qcom: camss: Add Kaanapali compatible camss
 driver

Add support for kaanapali in the camss driver. Add high level resource
information along with the bus bandwidth votes. Module level detailed
resource information will be enumerated in the following patches of the
series.

Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
---
 drivers/media/platform/qcom/camss/camss.c | 22 ++++++++++++++++++++++
 drivers/media/platform/qcom/camss/camss.h |  1 +
 2 files changed, 23 insertions(+)

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 2fbcd0e343aa..4a5caf54c116 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -34,6 +34,20 @@
 
 static const struct parent_dev_ops vfe_parent_dev_ops;
 
+static const struct resources_icc icc_res_kaanapali[] = {
+	/* Based on 4096 x 3072 30 FPS 2496 Mbps mode */
+	{
+		.name = "ahb",
+		.icc_bw_tbl.avg = 925857,
+		.icc_bw_tbl.peak = 925857,
+	},
+	{
+		.name = "hf_0_mnoc",
+		.icc_bw_tbl.avg = 925857,
+		.icc_bw_tbl.peak = 925857,
+	},
+};
+
 static const struct camss_subdev_resources csiphy_res_8x16[] = {
 	/* CSIPHY0 */
 	{
@@ -4291,6 +4305,13 @@ static void camss_remove(struct platform_device *pdev)
 	camss_genpd_cleanup(camss);
 }
 
+static const struct camss_resources kaanapali_resources = {
+	.version = CAMSS_KAANAPALI,
+	.pd_name = "top",
+	.icc_res = icc_res_kaanapali,
+	.icc_path_num = ARRAY_SIZE(icc_res_kaanapali),
+};
+
 static const struct camss_resources msm8916_resources = {
 	.version = CAMSS_8x16,
 	.csiphy_res = csiphy_res_8x16,
@@ -4467,6 +4488,7 @@ static const struct camss_resources x1e80100_resources = {
 };
 
 static const struct of_device_id camss_dt_match[] = {
+	{ .compatible = "qcom,kaanapali-camss", .data = &kaanapali_resources },
 	{ .compatible = "qcom,msm8916-camss", .data = &msm8916_resources },
 	{ .compatible = "qcom,msm8953-camss", .data = &msm8953_resources },
 	{ .compatible = "qcom,msm8996-camss", .data = &msm8996_resources },
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index 901f84efaf7d..876cd2a64cbe 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -90,6 +90,7 @@ enum camss_version {
 	CAMSS_845,
 	CAMSS_8550,
 	CAMSS_8775P,
+	CAMSS_KAANAPALI,
 	CAMSS_X1E80100,
 };
 

-- 
2.34.1