Re: [PATCH v7 3/5] media: qcom: camss: add support for SDM670 camss

[Bryan O'Donoghue <bryan.odonoghue@linaro.org>]

On 10/12/2024 23:35, Richard Acayan wrote:
> The camera subsystem for the SDM670 the same as on SDM845 except with
> 3 CSIPHY ports instead of 4. Add support for the SDM670 camera
> subsystem.
> 
> Signed-off-by: Richard Acayan <mailingradian@gmail.com>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Acked-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
> ---
>   drivers/media/platform/qcom/camss/camss.c | 191 ++++++++++++++++++++++
>   1 file changed, 191 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 9fb31f4c18ad..389b49606be0 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -738,6 +738,185 @@ static const struct camss_subdev_resources vfe_res_660[] = {
>   	}
>   };
>   
> +static const struct camss_subdev_resources csiphy_res_670[] = {
> +	/* CSIPHY0 */
> +	{
> +		.regulators = {},

> +	/* CSID0 */
> +	{
> +		.regulators = { "vdda-phy", "vdda-pll" },

Please move these regulators into the CSIPHY declaration.

https://lore.kernel.org/linux-arm-msm/20241206191900.2545069-4-quic_vikramsa@quicinc.com

> +		.clock = { "cpas_ahb", "soc_ahb", "vfe0",
> +				"vfe0_cphy_rx", "csi0" },
> +		.clock_rate = { { 0 },
> +				{ 0 },
> +				{ 100000000, 320000000, 404000000, 480000000, 600000000 },
> +				{ 384000000 },
> +				{ 19200000, 75000000, 384000000, 538666667 } },
> +		.reg = { "csid0" },
> +		.interrupt = { "csid0" },
> +		.csid = {
> +			.hw_ops = &csid_ops_gen2,
> +			.parent_dev_ops = &vfe_parent_dev_ops,
> +			.formats = &csid_formats_gen2
> +		}
> +	},
> +
> +	/* CSID1 */
> +	{
> +		.regulators = { "vdda-phy", "vdda-pll" },
> +		.clock = { "cpas_ahb", "soc_ahb", "vfe1",
> +				"vfe1_cphy_rx", "csi1" },
> +		.clock_rate = { { 0 },
> +				{ 0 },
> +				{ 100000000, 320000000, 404000000, 480000000, 600000000 },
> +				{ 384000000 },
> +				{ 19200000, 75000000, 384000000, 538666667 } },
> +		.reg = { "csid1" },
> +		.interrupt = { "csid1" },
> +		.csid = {
> +			.hw_ops = &csid_ops_gen2,
> +			.parent_dev_ops = &vfe_parent_dev_ops,
> +			.formats = &csid_formats_gen2
> +		}
> +	},
> +
> +	/* CSID2 */
> +	{
> +		.regulators = { "vdda-phy", "vdda-pll" },
> +		.clock = { "cpas_ahb", "soc_ahb", "vfe_lite",
> +				"vfe_lite_cphy_rx", "csi2" },
> +		.clock_rate = { { 0 },
> +				{ 0 },
> +				{ 100000000, 320000000, 404000000, 480000000, 600000000 },
> +				{ 384000000 },
> +				{ 19200000, 75000000, 384000000, 538666667 } },
> +		.reg = { "csid2" },
> +		.interrupt = { "csid2" },
> +		.csid = {
> +			.is_lite = true,
> +			.hw_ops = &csid_ops_gen2,
> +			.parent_dev_ops = &vfe_parent_dev_ops,
> +			.formats = &csid_formats_gen2
> +		}
> +	}
> +};
> +
> +static const struct camss_subdev_resources vfe_res_670[] = {
> +	/* VFE0 */
> +	{
> +		.regulators = {},
> +		.clock = { "camnoc_axi", "cpas_ahb", "soc_ahb",
> +				"vfe0", "vfe0_axi" },
> +		.clock_rate = { { 0 },
> +				{ 0 },
> +				{ 0 },
> +				{ 100000000, 320000000, 404000000, 480000000, 600000000 },
> +				{ 0 } },
> +		.reg = { "vfe0" },
> +		.interrupt = { "vfe0" },
> +		.vfe = {
> +			.line_num = 4,
> +			.has_pd = true,
> +			.pd_name = "ife0",
> +			.hw_ops = &vfe_ops_170,
> +			.formats_rdi = &vfe_formats_rdi_845,
> +			.formats_pix = &vfe_formats_pix_845
> +		}
> +	},
> +
> +	/* VFE1 */
> +	{
> +		.regulators = {},
> +		.clock = { "camnoc_axi", "cpas_ahb", "soc_ahb",
> +				"vfe1", "vfe1_axi" },
> +		.clock_rate = { { 0 },
> +				{ 0 },
> +				{ 0 },
> +				{ 100000000, 320000000, 404000000, 480000000, 600000000 },
> +				{ 0 } },
> +		.reg = { "vfe1" },
> +		.interrupt = { "vfe1" },
> +		.vfe = {
> +			.line_num = 4,
> +			.has_pd = true,
> +			.pd_name = "ife1",
> +			.hw_ops = &vfe_ops_170,
> +			.formats_rdi = &vfe_formats_rdi_845,
> +			.formats_pix = &vfe_formats_pix_845
> +		}
> +	},
> +
> +	/* VFE-lite */
> +	{
> +		.regulators = {},
> +		.clock = { "camnoc_axi", "cpas_ahb", "soc_ahb",
> +				"vfe_lite" },
> +		.clock_rate = { { 0 },
> +				{ 0 },
> +				{ 0 },
> +				{ 100000000, 320000000, 404000000, 480000000, 600000000 } },
> +		.reg = { "vfe_lite" },
> +		.interrupt = { "vfe_lite" },
> +		.vfe = {
> +			.is_lite = true,
> +			.line_num = 4,
> +			.hw_ops = &vfe_ops_170,
> +			.formats_rdi = &vfe_formats_rdi_845,
> +			.formats_pix = &vfe_formats_pix_845
> +		}
> +	}
> +};
> +
>   static const struct camss_subdev_resources csiphy_res_845[] = {
>   	/* CSIPHY0 */
>   	{
> @@ -2582,6 +2761,17 @@ static const struct camss_resources sdm660_resources = {
>   	.link_entities = camss_link_entities
>   };
>   
> +static const struct camss_resources sdm670_resources = {
> +	.version = CAMSS_845,
> +	.csiphy_res = csiphy_res_670,
> +	.csid_res = csid_res_670,
> +	.vfe_res = vfe_res_670,
> +	.csiphy_num = ARRAY_SIZE(csiphy_res_670),
> +	.csid_num = ARRAY_SIZE(csid_res_670),
> +	.vfe_num = ARRAY_SIZE(vfe_res_670),
> +	.link_entities = camss_link_entities
> +};
> +
>   static const struct camss_resources sdm845_resources = {
>   	.version = CAMSS_845,
>   	.csiphy_res = csiphy_res_845,
> @@ -2627,6 +2817,7 @@ static const struct of_device_id camss_dt_match[] = {
>   	{ .compatible = "qcom,msm8953-camss", .data = &msm8953_resources },
>   	{ .compatible = "qcom,msm8996-camss", .data = &msm8996_resources },
>   	{ .compatible = "qcom,sdm660-camss", .data = &sdm660_resources },
> +	{ .compatible = "qcom,sdm670-camss", .data = &sdm670_resources },
>   	{ .compatible = "qcom,sdm845-camss", .data = &sdm845_resources },
>   	{ .compatible = "qcom,sm8250-camss", .data = &sm8250_resources },
>   	{ .compatible = "qcom,sc8280xp-camss", .data = &sc8280xp_resources },

Otherwise LGTM.

---
bod