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path: root/drivers/soc/imx/imx8m-blk-ctrl.c
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Diffstat (limited to 'drivers/soc/imx/imx8m-blk-ctrl.c')
-rw-r--r--drivers/soc/imx/imx8m-blk-ctrl.c97
1 files changed, 82 insertions, 15 deletions
diff --git a/drivers/soc/imx/imx8m-blk-ctrl.c b/drivers/soc/imx/imx8m-blk-ctrl.c
index dff7529268e4..00879615a701 100644
--- a/drivers/soc/imx/imx8m-blk-ctrl.c
+++ b/drivers/soc/imx/imx8m-blk-ctrl.c
@@ -5,6 +5,7 @@
*/
#include <linux/device.h>
+#include <linux/interconnect.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
@@ -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);
@@ -152,19 +162,6 @@ static int imx8m_blk_ctrl_power_off(struct generic_pm_domain *genpd)
return 0;
}
-static struct generic_pm_domain *
-imx8m_blk_ctrl_xlate(struct of_phandle_args *args, void *data)
-{
- struct genpd_onecell_data *onecell_data = data;
- unsigned int index = args->args[0];
-
- if (args->args_count != 1 ||
- index >= onecell_data->num_domains)
- return ERR_PTR(-EINVAL);
-
- return onecell_data->domains[index];
-}
-
static struct lock_class_key blk_ctrl_genpd_lock_class;
static int imx8m_blk_ctrl_probe(struct platform_device *pdev)
@@ -206,7 +203,6 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev)
return -ENOMEM;
bc->onecell_data.num_domains = bc_data->num_domains;
- bc->onecell_data.xlate = imx8m_blk_ctrl_xlate;
bc->onecell_data.domains =
devm_kcalloc(dev, bc_data->num_domains,
sizeof(struct generic_pm_domain *), GFP_KERNEL);
@@ -224,10 +220,29 @@ 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");
@@ -243,7 +258,6 @@ static int imx8m_blk_ctrl_probe(struct platform_device *pdev)
ret = PTR_ERR(domain->power_dev);
goto cleanup_pds;
}
- dev_set_name(domain->power_dev, "%s", data->name);
domain->genpd.name = data->name;
domain->genpd.power_on = imx8m_blk_ctrl_power_on;
@@ -455,6 +469,46 @@ static const struct imx8m_blk_ctrl_data imx8mm_vpu_blk_ctl_dev_data = {
.num_domains = ARRAY_SIZE(imx8mm_vpu_blk_ctl_domain_data),
};
+static const struct imx8m_blk_ctrl_domain_data imx8mp_vpu_blk_ctl_domain_data[] = {
+ [IMX8MP_VPUBLK_PD_G1] = {
+ .name = "vpublk-g1",
+ .clk_names = (const char *[]){ "g1", },
+ .num_clks = 1,
+ .gpc_name = "g1",
+ .rst_mask = BIT(1),
+ .clk_mask = BIT(1),
+ .path_names = (const char *[]){"g1"},
+ .num_paths = 1,
+ },
+ [IMX8MP_VPUBLK_PD_G2] = {
+ .name = "vpublk-g2",
+ .clk_names = (const char *[]){ "g2", },
+ .num_clks = 1,
+ .gpc_name = "g2",
+ .rst_mask = BIT(0),
+ .clk_mask = BIT(0),
+ .path_names = (const char *[]){"g2"},
+ .num_paths = 1,
+ },
+ [IMX8MP_VPUBLK_PD_VC8000E] = {
+ .name = "vpublk-vc8000e",
+ .clk_names = (const char *[]){ "vc8000e", },
+ .num_clks = 1,
+ .gpc_name = "vc8000e",
+ .rst_mask = BIT(2),
+ .clk_mask = BIT(2),
+ .path_names = (const char *[]){"vc8000e"},
+ .num_paths = 1,
+ },
+};
+
+static const struct imx8m_blk_ctrl_data imx8mp_vpu_blk_ctl_dev_data = {
+ .max_reg = 0x18,
+ .power_notifier_fn = imx8mm_vpu_power_notifier,
+ .domains = imx8mp_vpu_blk_ctl_domain_data,
+ .num_domains = ARRAY_SIZE(imx8mp_vpu_blk_ctl_domain_data),
+};
+
static int imx8mm_disp_power_notifier(struct notifier_block *nb,
unsigned long action, void *data)
{
@@ -650,6 +704,8 @@ 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 +714,8 @@ 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 +733,8 @@ 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 +743,8 @@ 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 +753,8 @@ 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",
@@ -789,6 +853,9 @@ static const struct of_device_id imx8m_blk_ctrl_of_match[] = {
.compatible = "fsl,imx8mq-vpu-blk-ctrl",
.data = &imx8mq_vpu_blk_ctl_dev_data
}, {
+ .compatible = "fsl,imx8mp-vpu-blk-ctrl",
+ .data = &imx8mp_vpu_blk_ctl_dev_data
+ }, {
/* Sentinel */
}
};
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-04 18:32:51 +0300