Commit be6d9942 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by Florian Fainelli
Browse files

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



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

Signed-off-by: default avatarRafał Miłecki <rafal@milecki.pl>
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
parent 42eb2fa1

drivers/soc/bcm/bcm63xx/bcm-pmb.c

+30 −0
Original line number Diff line number Diff line
@@ -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, },

	{ },

};

include/dt-bindings/soc/bcm-pmb.h

+1 −0
Original line number Diff line number Diff line
@@ -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