leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

soc: imx: add icc paths for i.MX8MP media blk ctrl

Browse Source 
Add interconnect paths for i.MX8MP media blk ctrl

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
This commit is contained in:
Peng Fan 2022-07-08 16:56:29 +08:00 committed by Shawn Guo
parent 64e61a940d
commit c553ca9245
1 changed files with 39 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/soc/imx/imx8m-blk-ctrl.c
View File

@ -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);
@ -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",