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Date: Thu, 26 May 2022 14:42:35 +0200
From: Robert Foss <robert.foss@...aro.org>
To: Luca Weiss <luca@...tu.xyz>
Cc: linux-arm-msm@...r.kernel.org,
~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
Loic Poulain <loic.poulain@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Todor Tomov <todor.too@...il.com>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
matti.lehtimaki@...il.com
Subject: Re: [RFC PATCH 08/14] media: camss: Add 8x74 resources
On Sun, 22 May 2022 at 18:28, Luca Weiss <luca@...tu.xyz> wrote:
>
> From: Matti Lehtimäki <matti.lehtimaki@...il.com>
>
> Add structs with 8x74 resources. The number of CSIPHY, CSID
> and VFE hardware modules is the same as 8x96 but the support
> is otherwise different.
>
> Signed-off-by: Matti Lehtimäki <matti.lehtimaki@...il.com>
> Signed-off-by: Luca Weiss <luca@...tu.xyz>
> ---
> drivers/media/platform/qcom/camss/camss.c | 161 ++++++++++++++++++++++
> 1 file changed, 161 insertions(+)
>
> diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
> index 79ad82e233cb..5a69ce48c792 100644
> --- a/drivers/media/platform/qcom/camss/camss.c
> +++ b/drivers/media/platform/qcom/camss/camss.c
> @@ -126,6 +126,154 @@ static const struct resources vfe_res_8x16[] = {
> }
> };
>
> +static const struct resources csiphy_res_8974[] = {
> + /* CSIPHY0 */
> + {
> + .regulators = { NULL },
> + .clock = { "top_ahb", "ispif_ahb", "csiphy0_timer" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 100000000, 200000000 } },
> + .reg = { "csiphy0", "csiphy0_clk_mux" },
> + .interrupt = { "csiphy0" }
> + },
> +
> + /* CSIPHY1 */
> + {
> + .regulators = { NULL },
> + .clock = { "top_ahb", "ispif_ahb", "csiphy1_timer" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 100000000, 200000000 } },
> + .reg = { "csiphy1", "csiphy1_clk_mux" },
> + .interrupt = { "csiphy1" }
> + },
> +
> + /* CSIPHY2 */
> + {
> + .regulators = { NULL },
> + .clock = { "top_ahb", "ispif_ahb", "csiphy2_timer" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 100000000, 200000000 } },
> + .reg = { "csiphy2", "csiphy2_clk_mux" },
> + .interrupt = { "csiphy2" }
> + }
> +};
> +
> +static const struct resources csid_res_8974[] = {
> + /* CSID0 */
> + {
> + .regulators = { "vdda" },
> + .clock = { "top_ahb", "ispif_ahb", "csi0_ahb",
> + "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid0" },
> + .interrupt = { "csid0" }
> + },
> +
> + /* CSID1 */
> + {
> + .regulators = { "vdda" },
> + .clock = { "top_ahb", "ispif_ahb", "csi1_ahb",
> + "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid1" },
> + .interrupt = { "csid1" }
> + },
> +
> + /* CSID2 */
> + {
> + .regulators = { "vdda" },
> + .clock = { "top_ahb", "ispif_ahb", "csi2_ahb",
> + "csi2", "csi2_phy", "csi2_pix", "csi2_rdi" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid2" },
> + .interrupt = { "csid2" }
> + },
> +
> + /* CSID3 */
> + {
> + .regulators = { "vdda" },
> + .clock = { "top_ahb", "ispif_ahb", "csi3_ahb",
> + "csi3", "csi3_phy", "csi3_pix", "csi3_rdi" },
> + .clock_rate = { { 0 },
> + { 0 },
> + { 0 },
> + { 100000000, 200000000 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "csid3" },
> + .interrupt = { "csid3" }
> + }
> +};
> +
> +static const struct resources_ispif ispif_res_8974 = {
> + /* ISPIF */
> + .clock = { "top_ahb", "ispif_ahb",
> + "csi0", "csi0_pix", "csi0_rdi",
> + "csi1", "csi1_pix", "csi1_rdi",
> + "csi2", "csi2_pix", "csi2_rdi",
> + "csi3", "csi3_pix", "csi3_rdi" },
> + .clock_for_reset = { "vfe0", "csi_vfe0",
> + "vfe1", "csi_vfe1" },
> + .reg = { "ispif", "csi_clk_mux" },
> + .interrupt = "ispif"
> +
> +};
> +
> +static const struct resources vfe_res_8974[] = {
> + /* VFE0 */
> + {
> + .regulators = { NULL },
> + .clock = { "top_ahb", "vfe0", "csi_vfe0",
> + "iface", "bus" },
> + .clock_rate = { { 0 },
> + { 50000000, 80000000, 100000000, 160000000,
> + 177780000, 200000000, 266670000, 320000000,
> + 400000000, 400000000 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "vfe0" },
> + .interrupt = { "vfe0" }
> + },
> + /* VFE1 */
> + {
> + .regulators = { NULL },
> + .clock = { "top_ahb", "vfe1", "csi_vfe1",
> + "iface", "bus" },
> + .clock_rate = { { 0 },
> + { 50000000, 80000000, 100000000, 160000000,
> + 177780000, 200000000, 266670000, 320000000,
> + 400000000, 400000000 },
> + { 0 },
> + { 0 },
> + { 0 } },
> + .reg = { "vfe1" },
> + .interrupt = { "vfe1" }
> + }
> +};
> +
> static const struct resources csiphy_res_8x96[] = {
> /* CSIPHY0 */
> {
> @@ -1132,6 +1280,11 @@ static int camss_init_subdevices(struct camss *camss)
> csid_res = csid_res_8x16;
> ispif_res = &ispif_res_8x16;
> vfe_res = vfe_res_8x16;
> + } else if (camss->version == CAMSS_8x74) {
> + csiphy_res = csiphy_res_8974;
> + csid_res = csid_res_8974;
> + ispif_res = &ispif_res_8974;
> + vfe_res = vfe_res_8974;
> } else if (camss->version == CAMSS_8x96) {
> csiphy_res = csiphy_res_8x96;
> csid_res = csid_res_8x96;
> @@ -1542,6 +1695,12 @@ static int camss_probe(struct platform_device *pdev)
> camss->csiphy_num = 2;
> camss->csid_num = 2;
> camss->vfe_num = 1;
> + } else if (of_device_is_compatible(dev->of_node,
> + "qcom,msm8974-camss")) {
> + camss->version = CAMSS_8x74;
> + camss->csiphy_num = 3;
> + camss->csid_num = 4;
> + camss->vfe_num = 2;
> } else if (of_device_is_compatible(dev->of_node,
> "qcom,msm8996-camss")) {
> camss->version = CAMSS_8x96;
> @@ -1586,6 +1745,7 @@ static int camss_probe(struct platform_device *pdev)
> }
>
> if (camss->version == CAMSS_8x16 ||
> + camss->version == CAMSS_8x74 ||
> camss->version == CAMSS_8x96) {
> camss->ispif = devm_kcalloc(dev, 1, sizeof(*camss->ispif), GFP_KERNEL);
> if (!camss->ispif) {
> @@ -1735,6 +1895,7 @@ static int camss_remove(struct platform_device *pdev)
>
> static const struct of_device_id camss_dt_match[] = {
> { .compatible = "qcom,msm8916-camss" },
> + { .compatible = "qcom,msm8974-camss" },
> { .compatible = "qcom,msm8996-camss" },
> { .compatible = "qcom,sdm660-camss" },
> { .compatible = "qcom,sdm845-camss" },
> --
> 2.36.0
>
Reviewed-by: Robert Foss <robert.foss@...aro.org>
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