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Message-ID: <6feef32b-4d1f-428c-9759-2d3318b0f224@linaro.org>
Date: Mon, 28 Jul 2025 14:51:38 +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, quic_svankada@...cinc.com,
linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Wenmeng Liu <quic_wenmliu@...cinc.com>
Subject: Re: [PATCH v3 6/9] media: qcom: camss: Add support for CSIPHY 690
On 03/07/2025 18:19, Vikram Sharma wrote:
> Add support for CSIPHY found on SA8775P (Titan 690).
> This implementation is based on the titan 690 implementation.
>
> Co-developed-by: Wenmeng Liu <quic_wenmliu@...cinc.com>
> Signed-off-by: Wenmeng Liu <quic_wenmliu@...cinc.com>
> Signed-off-by: Vikram Sharma <quic_vikramsa@...cinc.com>
> ---
> .../qcom/camss/camss-csiphy-3ph-1-0.c | 84 +++++++++++++++++++
> .../media/platform/qcom/camss/camss-csiphy.c | 5 ++
> .../media/platform/qcom/camss/camss-csiphy.h | 1 +
> drivers/media/platform/qcom/camss/camss.c | 75 +++++++++++++++++
> 4 files changed, 165 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 f732a76de93e..bb5ebaa13ec8 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
> @@ -64,6 +64,85 @@ struct csiphy_lane_regs {
> u32 csiphy_param_type;
> };
>
> +/* GEN2 1.3.0 2PH */
I'd be nice to include the process node number here. Its not a secret so
please add for the edifcation of the reader.
> +static const struct
> +csiphy_lane_regs lane_regs_sa8775p[] = {
> + {0x0724, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x070C, 0xFF, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0734, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0710, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x071C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0720, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0708, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> + {0x0024, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0000, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0034, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0010, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x001C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0020, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0008, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> + {0x0224, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0200, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0234, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0210, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x021C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0220, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0208, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> + {0x0424, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0400, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0434, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0410, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x041C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0420, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0408, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> + {0x0624, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0600, 0x8D, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0634, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0610, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x061C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0620, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0608, 0x10, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> + {0x005C, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0060, 0xFD, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0064, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x025C, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0260, 0xFD, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0264, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x045C, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0460, 0xFD, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0464, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x065C, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0660, 0xFD, 0x00, CSIPHY_DEFAULT_PARAMS},
> + {0x0664, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +};
> +
> /* GEN2 1.0 2PH */
> static const struct
> csiphy_lane_regs lane_regs_sdm845[] = {
> @@ -749,6 +828,7 @@ static bool csiphy_is_gen2(u32 version)
> case CAMSS_8280XP:
> case CAMSS_845:
> case CAMSS_8550:
> + case CAMSS_8775P:
> case CAMSS_X1E80100:
> ret = true;
> break;
> @@ -848,6 +928,10 @@ static int csiphy_init(struct csiphy_device *csiphy)
> regs->lane_array_size = ARRAY_SIZE(lane_regs_sm8550);
> regs->offset = 0x1000;
> break;
> + case CAMSS_8775P:
> + regs->lane_regs = &lane_regs_sa8775p[0];
> + regs->lane_array_size = ARRAY_SIZE(lane_regs_sa8775p);
> + break;
> default:
> WARN(1, "unknown csiphy version\n");
> return -ENODEV;
> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
> index c622efcc92ff..f6a2ac385953 100644
> --- a/drivers/media/platform/qcom/camss/camss-csiphy.c
> +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
> @@ -103,6 +103,11 @@ const struct csiphy_formats csiphy_formats_8x96 = {
> .formats = formats_8x96
> };
>
> +const struct csiphy_formats csiphy_formats_sa8775p = {
> + .nformats = ARRAY_SIZE(formats_sdm845),
> + .formats = formats_sdm845
> +};
> +
> const struct csiphy_formats csiphy_formats_sc7280 = {
> .nformats = ARRAY_SIZE(formats_sdm845),
> .formats = formats_sdm845
> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/media/platform/qcom/camss/camss-csiphy.h
> index ab91273303b9..842e72b74ce4 100644
> --- a/drivers/media/platform/qcom/camss/camss-csiphy.h
> +++ b/drivers/media/platform/qcom/camss/camss-csiphy.h
> @@ -126,6 +126,7 @@ void msm_csiphy_unregister_entity(struct csiphy_device *csiphy);
>
> extern const struct csiphy_formats csiphy_formats_8x16;
> extern const struct csiphy_formats csiphy_formats_8x96;
> +extern const struct csiphy_formats csiphy_formats_sa8775p;
> extern const struct csiphy_formats csiphy_formats_sc7280;
> extern const struct csiphy_formats csiphy_formats_sdm845;
>
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 3122a29891c2..ebc3b296bb50 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -2483,6 +2483,81 @@ static const struct resources_icc icc_res_sm8550[] = {
> },
> };
>
> +static const struct camss_subdev_resources csiphy_res_8775p[] = {
> + /* CSIPHY0 */
> + {
> + .regulators = { "vdda-phy", "vdda-pll" },
> +
Drop the dead newline please.
> + .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_sa8775p
> + }
> + },
> + /* 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_sa8775p
> + }
> + },
> + /* 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_sa8775p
> + }
> + },
> + /* CSIPHY3 */
> + {
> + .regulators = { "vdda-phy", "vdda-pll" },
> +
> + .clock = { "csiphy_rx", "csiphy3", "csiphy3_timer"},
> + .clock_rate = {
> + { 400000000 },
> + { 0 },
> + { 400000000 },
> + },
> + .reg = { "csiphy3" },
> + .interrupt = { "csiphy3" },
> + .csiphy = {
> + .id = 3,
> + .hw_ops = &csiphy_ops_3ph_1_0,
> + .formats = &csiphy_formats_sa8775p
> + }
> + },
> +};
> +
> static const struct resources_icc icc_res_sa8775p[] = {
> {
> .name = "ahb",
Assuming that's done:
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
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