linux-kernel - Re: [PATCH v3 3/7] media: qcom: camss: Add CSIPHY support for QCS8300

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <505218ad-d010-42a2-bf01-d2141d55001d@linaro.org>
Date: Wed, 13 Aug 2025 22:32:11 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Vikram Sharma <quic_vikramsa@...cinc.com>, rfoss@...nel.org,
 todor.too@...il.com, mchehab@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, andersson@...nel.org,
 konradybcio@...nel.org, hverkuil-cisco@...all.nl,
 cros-qcom-dts-watchers@...omium.org, catalin.marinas@....com, will@...nel.org
Cc: linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/7] media: qcom: camss: Add CSIPHY support for QCS8300

On 13/08/2025 06:37, Vikram Sharma wrote:
> QCS8300 uses the same CSIPHY hardware version (v1.3.0) as
> SA8775P. The only difference between the two platforms is
> the number of CSIPHY instances: SA8775P has four, while
> QCS8300 has three.
> 
> Signed-off-by: Vikram Sharma <quic_vikramsa@...cinc.com>
> ---
>   .../qcom/camss/camss-csiphy-3ph-1-0.c         |  2 +
>   drivers/media/platform/qcom/camss/camss.c     | 57 +++++++++++++++++++
>   2 files changed, 59 insertions(+)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> index a610504359d0..445f4d41e847 100644
> --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> @@ -826,6 +826,7 @@ static bool csiphy_is_gen2(u32 version)
>   	case CAMSS_7280:
>   	case CAMSS_8250:
>   	case CAMSS_8280XP:
> +	case CAMSS_8300:
>   	case CAMSS_845:
>   	case CAMSS_8550:
>   	case CAMSS_8775P:
> @@ -928,6 +929,7 @@ static int csiphy_init(struct csiphy_device *csiphy)
>   		regs->lane_array_size = ARRAY_SIZE(lane_regs_sm8550);
>   		regs->offset = 0x1000;
>   		break;
> +	case CAMSS_8300:
>   	case CAMSS_8775P:
>   		regs->lane_regs = &lane_regs_sa8775p[0];
>   		regs->lane_array_size = ARRAY_SIZE(lane_regs_sa8775p);
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 6b9aba1029b5..410e188d26aa 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -2483,6 +2483,63 @@ static const struct resources_icc icc_res_sm8550[] = {
>   	},
>   };
>   
> +static const struct camss_subdev_resources csiphy_res_8300[] = {
> +	/* CSIPHY0 */
> +	{
> +		.regulators = { "vdda-phy", "vdda-pll" },
> +
> +		.clock = { "csiphy_rx", "csiphy0", "csiphy0_timer" },
> +		.clock_rate = {
> +			{ 400000000 },
> +			{ 0 },
> +			{ 400000000 },
> +		},
> +		.reg = { "csiphy0" },
> +		.interrupt = { "csiphy0" },
> +		.csiphy = {
> +			.id = 0,
> +			.hw_ops = &csiphy_ops_3ph_1_0,
> +			.formats = &csiphy_formats_sdm845,
> +		}
> +	},
> +	/* CSIPHY1 */
> +	{
> +		.regulators = { "vdda-phy", "vdda-pll" },
> +
> +		.clock = { "csiphy_rx", "csiphy1", "csiphy1_timer" },
> +		.clock_rate = {
> +			{ 400000000 },
> +			{ 0 },
> +			{ 400000000 },
> +		},
> +		.reg = { "csiphy1" },
> +		.interrupt = { "csiphy1" },
> +		.csiphy = {
> +			.id = 1,
> +			.hw_ops = &csiphy_ops_3ph_1_0,
> +			.formats = &csiphy_formats_sdm845,
> +		}
> +	},
> +	/* CSIPHY2 */
> +	{
> +		.regulators = { "vdda-phy", "vdda-pll" },
> +
> +		.clock = { "csiphy_rx", "csiphy2", "csiphy2_timer" },
> +		.clock_rate = {
> +			{ 400000000 },
> +			{ 0 },
> +			{ 400000000 },
> +		},
> +		.reg = { "csiphy2" },
> +		.interrupt = { "csiphy2" },
> +		.csiphy = {
> +			.id = 2,
> +			.hw_ops = &csiphy_ops_3ph_1_0,
> +			.formats = &csiphy_formats_sdm845,
> +		}
> +	},
> +};
> +
>   static const struct camss_subdev_resources csiphy_res_8775p[] = {
>   	/* CSIPHY0 */
>   	{
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>