Re: [PATCH v2 3/5] media: camss: add support for SDM670 camss

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On 14/08/2024 00:00, 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@xxxxxxxxx>
---
  drivers/media/platform/qcom/camss/camss.c | 194 ++++++++++++++++++++++
  1 file changed, 194 insertions(+)

diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 51b1d3550421..f5d8443d4157 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -584,6 +584,188 @@ static const struct camss_subdev_resources vfe_res_660[] = {
  	}
  };
+static const struct camss_subdev_resources csiphy_res_670[] = {
+	/* CSIPHY0 */
+	{
+		.regulators = {},
+		.clock = { "camnoc_axi", "soc_ahb", "cpas_ahb",
+				"csiphy0", "csiphy0_timer" },

Per previous comment, you're specifying camnoc_axi here, so you can just set it to whatever it was 80MHz I think.

You shouldn't need the Camera NoC clock to do an I2C/CCI transaction ... nor TBH for the CSIPHY.

Should probably live in the CSID alone.

+		.clock_rate = { { 0 },
+				{ 0 },
+				{ 0 },
+				{ 0 },
+				{ 19200000, 240000000, 269333333 } },
+		.reg = { "csiphy0" },
+		.interrupt = { "csiphy0" },
+		.csiphy = {
+			.hw_ops = &csiphy_ops_3ph_1_0,
+			.formats = &csiphy_formats_sdm845
+		}
+	},
+
+	/* CSIPHY1 */
+	{
+		.regulators = {},
+		.clock = { "camnoc_axi", "soc_ahb", "cpas_ahb",
+				"csiphy1", "csiphy1_timer" },
+		.clock_rate = { { 0 },
+				{ 0 },
+				{ 0 },
+				{ 0 },
+				{ 19200000, 240000000, 269333333 } },
+		.reg = { "csiphy1" },
+		.interrupt = { "csiphy1" },
+		.csiphy = {
+			.hw_ops = &csiphy_ops_3ph_1_0,
+			.formats = &csiphy_formats_sdm845
+		}
+	},
+
+	/* CSIPHY2 */
+	{
+		.regulators = {},
+		.clock = { "camnoc_axi", "soc_ahb", "cpas_ahb",
+				"csiphy2", "csiphy2_timer" },
+		.clock_rate = { { 0 },
+				{ 0 },
+				{ 0 },
+				{ 0 },
+				{ 19200000, 240000000, 269333333 } },
+		.reg = { "csiphy2" },
+		.interrupt = { "csiphy2" },
+		.csiphy = {
+			.hw_ops = &csiphy_ops_3ph_1_0,
+			.formats = &csiphy_formats_sdm845
+		}
+	}
+};
+
+static const struct camss_subdev_resources csid_res_670[] = {
+	/* CSID0 */
+	{
+		.regulators = { "vdda-phy", "vdda-pll" },
+		.clock = { "cpas_ahb", "soc_ahb", "vfe0",
+				"vfe0_cphy_rx", "csi0" },

You don't need csiX clock in both VFE and CSID.

Should almost certainly only be in CSID.

+		.clock_rate = { { 0 },
+				{ 0 },
+				{ 100000000, 320000000, 404000000, 480000000, 600000000 },
+				{ 384000000 },
+				{ 19200000, 75000000, 384000000, 538666667 } },
+		.reg = { "csid0" },
+		.interrupt = { "csid0" },
+		.csid = {
+			.hw_ops = &csid_ops_gen2,
+			.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,
+			.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,
+			.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", "csi0" },

Please try to zap that csi0 clock for your v3, only specifying it in CSID.

---
bod




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