From c553ca9245f4ee7db54dc48c5892be787f8458a4 Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Fri, 8 Jul 2022 16:56:29 +0800 Subject: soc: imx: add icc paths for i.MX8MP media blk ctrl Add interconnect paths for i.MX8MP media blk ctrl Signed-off-by: Peng Fan Signed-off-by: Shawn Guo --- drivers/soc/imx/imx8m-blk-ctrl.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'drivers/soc') diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c index dff7529268e4..9b0f81dc292b 100644 --- a/drivers/soc/imx/imx8m-blk-ctrl.c +++ b/drivers/soc/imx/imx8m-blk-ctrl.c @@ -5,6 +5,7 @@ */ #include +#include #include #include #include @@ -37,6 +38,8 @@ struct imx8m_blk_ctrl_domain_data { const char *name; const char * const *clk_names; int num_clks; + const char * const *path_names; + int num_paths; const char *gpc_name; u32 rst_mask; u32 clk_mask; @@ -52,13 +55,16 @@ struct imx8m_blk_ctrl_domain_data { }; #define DOMAIN_MAX_CLKS 4 +#define DOMAIN_MAX_PATHS 4 struct imx8m_blk_ctrl_domain { struct generic_pm_domain genpd; const struct imx8m_blk_ctrl_domain_data *data; struct clk_bulk_data clks[DOMAIN_MAX_CLKS]; + struct icc_bulk_data paths[DOMAIN_MAX_PATHS]; struct device *power_dev; struct imx8m_blk_ctrl *bc; + int num_paths; }; struct imx8m_blk_ctrl_data { @@ -117,6 +123,10 @@ static int imx8m_blk_ctrl_power_on(struct generic_pm_domain *genpd) if (data->mipi_phy_rst_mask) regmap_set_bits(bc->regmap, BLK_MIPI_RESET_DIV, data->mipi_phy_rst_mask); + ret = icc_bulk_set_bw(domain->num_paths, domain->paths); + if (ret) + dev_err(bc->dev, "failed to set icc bw\n"); + /* disable upstream clocks */ clk_bulk_disable_unprepare(data->num_clks, domain->clks); @@ -224,10 +234,29 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev) int j; domain->data = data; + domain->num_paths = data->num_paths; for (j = 0; j < data->num_clks; j++) domain->clks[j].id = data->clk_names[j]; + for (j = 0; j < data->num_paths; j++) { + domain->paths[j].name = data->path_names[j]; + /* Fake value for now, just let ICC could configure NoC mode/priority */ + domain->paths[j].avg_bw = 1; + domain->paths[j].peak_bw = 1; + } + + ret = devm_of_icc_bulk_get(dev, data->num_paths, domain->paths); + if (ret) { + if (ret != -EPROBE_DEFER) { + dev_warn_once(dev, "Could not get interconnect paths, NoC will stay unconfigured!\n"); + domain->num_paths = 0; + } else { + dev_err_probe(dev, ret, "failed to get noc entries\n"); + goto cleanup_pds; + } + } + ret = devm_clk_bulk_get(dev, data->num_clks, domain->clks); if (ret) { dev_err_probe(dev, ret, "failed to get clock\n"); @@ -650,6 +679,8 @@ static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[ .gpc_name = "lcdif1", .rst_mask = BIT(4) | BIT(5) | BIT(23), .clk_mask = BIT(4) | BIT(5) | BIT(23), + .path_names = (const char *[]){"lcdif-rd", "lcdif-wr"}, + .num_paths = 2, }, [IMX8MP_MEDIABLK_PD_ISI] = { .name = "mediablk-isi", @@ -658,6 +689,8 @@ static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[ .gpc_name = "isi", .rst_mask = BIT(6) | BIT(7), .clk_mask = BIT(6) | BIT(7), + .path_names = (const char *[]){"isi0", "isi1", "isi2"}, + .num_paths = 3, }, [IMX8MP_MEDIABLK_PD_MIPI_CSI2_2] = { .name = "mediablk-mipi-csi2-2", @@ -675,6 +708,8 @@ static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[ .gpc_name = "lcdif2", .rst_mask = BIT(11) | BIT(12) | BIT(24), .clk_mask = BIT(11) | BIT(12) | BIT(24), + .path_names = (const char *[]){"lcdif-rd", "lcdif-wr"}, + .num_paths = 2, }, [IMX8MP_MEDIABLK_PD_ISP] = { .name = "mediablk-isp", @@ -683,6 +718,8 @@ static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[ .gpc_name = "isp", .rst_mask = BIT(16) | BIT(17) | BIT(18), .clk_mask = BIT(16) | BIT(17) | BIT(18), + .path_names = (const char *[]){"isp0", "isp1"}, + .num_paths = 2, }, [IMX8MP_MEDIABLK_PD_DWE] = { .name = "mediablk-dwe", @@ -691,6 +728,8 @@ static const struct imx8m_blk_ctrl_domain_data imx8mp_media_blk_ctl_domain_data[ .gpc_name = "dwe", .rst_mask = BIT(19) | BIT(20) | BIT(21), .clk_mask = BIT(19) | BIT(20) | BIT(21), + .path_names = (const char *[]){"dwe"}, + .num_paths = 1, }, [IMX8MP_MEDIABLK_PD_MIPI_DSI_2] = { .name = "mediablk-mipi-dsi-2", -- cgit v1.2.3