From be6d99420306bb6b0abfff7a814564a614690db6 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 14 Jan 2021 18:53:39 +0100 Subject: [PATCH] soc: bcm: bcm-pmb: add BCM63138 SATA support MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit BCM63138 has SATA controller that needs to be powered up using PMB. Signed-off-by: Rafał Miłecki Signed-off-by: Florian Fainelli --- drivers/soc/bcm/bcm63xx/bcm-pmb.c | 30 ++++++++++++++++++++++++++++++ include/dt-bindings/soc/bcm-pmb.h | 1 + 2 files changed, 31 insertions(+) diff --git a/drivers/soc/bcm/bcm63xx/bcm-pmb.c b/drivers/soc/bcm/bcm63xx/bcm-pmb.c index c223023dc64f..774465c119be 100644 --- a/drivers/soc/bcm/bcm63xx/bcm-pmb.c +++ b/drivers/soc/bcm/bcm63xx/bcm-pmb.c @@ -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, }, { }, }; diff --git a/include/dt-bindings/soc/bcm-pmb.h b/include/dt-bindings/soc/bcm-pmb.h index 744dc3af4d41..385884468007 100644 --- a/include/dt-bindings/soc/bcm-pmb.h +++ b/include/dt-bindings/soc/bcm-pmb.h @@ -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 -- 2.39.5