Kernel/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2024-12-29 17:23:36 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

soc: bcm: bcm-pmb: add BCM63138 SATA support

Browse Source 
BCM63138 has SATA controller that needs to be powered up using PMB.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Rafał Miłecki 2021-01-14 18:53:39 +01:00 committed by Florian Fainelli
parent 42eb2fa14a
commit be6d994203
2 changed files with 31 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
drivers/soc/bcm/bcm63xx/bcm-pmb.c
View File

@ -209,6 +209,28 @@ static int bcm_pmb_power_on_device(struct bcm_pmb *pmb, int bus, u8 device)
return err;
}
static int bcm_pmb_power_on_sata(struct bcm_pmb *pmb, int bus, u8 device)
{
int err;
err = bcm_pmb_power_on_zone(pmb, bus, device, 0);
if (err)
return err;
/* Does not apply to the BCM963158 */
err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_MISC_CONTROL, 0);
if (err)
return err;
err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0xffffffff);
if (err)
return err;
err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0);
return err;
}
static int bcm_pmb_power_on(struct generic_pm_domain *genpd)
{
struct bcm_pmb_pm_domain *pd = container_of(genpd, struct bcm_pmb_pm_domain, genpd);
@ -222,6 +244,8 @@ static int bcm_pmb_power_on(struct generic_pm_domain *genpd)
return bcm_pmb_power_on_zone(pmb, data->bus, data->device, 0);
case BCM_PMB_HOST_USB:
return bcm_pmb_power_on_device(pmb, data->bus, data->device);
case BCM_PMB_SATA:
return bcm_pmb_power_on_sata(pmb, data->bus, data->device);
default:
dev_err(pmb->dev, "unsupported device id: %d\n", data->id);
return -EINVAL;
@ -317,8 +341,14 @@ static const struct bcm_pmb_pd_data bcm_pmb_bcm4908_data[] = {
{ },
};
static const struct bcm_pmb_pd_data bcm_pmb_bcm63138_data[] = {
{ .name = "sata", .id = BCM_PMB_SATA, .bus = 0, .device = 3, },
{ },
};
static const struct of_device_id bcm_pmb_of_match[] = {
{ .compatible = "brcm,bcm4908-pmb", .data = &bcm_pmb_bcm4908_data, },
{ .compatible = "brcm,bcm63138-pmb", .data = &bcm_pmb_bcm63138_data, },
{ },
};

1
include/dt-bindings/soc/bcm-pmb.h
View File

@ -7,5 +7,6 @@
#define BCM_PMB_PCIE1 0x02
#define BCM_PMB_PCIE2 0x03
#define BCM_PMB_HOST_USB 0x04
#define BCM_PMB_SATA 0x05
#endif