Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

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

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>

authored by

Rafał Miłecki and committed by
Florian Fainelli
be6d9942 42eb2fa1

+31
+30
drivers/soc/bcm/bcm63xx/bcm-pmb.c
··· 209 209 return err; 210 210 } 211 211 212 + static int bcm_pmb_power_on_sata(struct bcm_pmb *pmb, int bus, u8 device) 213 + { 214 + int err; 215 + 216 + err = bcm_pmb_power_on_zone(pmb, bus, device, 0); 217 + if (err) 218 + return err; 219 + 220 + /* Does not apply to the BCM963158 */ 221 + err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_MISC_CONTROL, 0); 222 + if (err) 223 + return err; 224 + 225 + err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0xffffffff); 226 + if (err) 227 + return err; 228 + 229 + err = bcm_pmb_bpcm_write(pmb, bus, device, BPCM_SR_CONTROL, 0); 230 + 231 + return err; 232 + } 233 + 212 234 static int bcm_pmb_power_on(struct generic_pm_domain *genpd) 213 235 { 214 236 struct bcm_pmb_pm_domain *pd = container_of(genpd, struct bcm_pmb_pm_domain, genpd); ··· 244 222 return bcm_pmb_power_on_zone(pmb, data->bus, data->device, 0); 245 223 case BCM_PMB_HOST_USB: 246 224 return bcm_pmb_power_on_device(pmb, data->bus, data->device); 225 + case BCM_PMB_SATA: 226 + return bcm_pmb_power_on_sata(pmb, data->bus, data->device); 247 227 default: 248 228 dev_err(pmb->dev, "unsupported device id: %d\n", data->id); 249 229 return -EINVAL; ··· 341 317 { }, 342 318 }; 343 319 320 + static const struct bcm_pmb_pd_data bcm_pmb_bcm63138_data[] = { 321 + { .name = "sata", .id = BCM_PMB_SATA, .bus = 0, .device = 3, }, 322 + { }, 323 + }; 324 + 344 325 static const struct of_device_id bcm_pmb_of_match[] = { 345 326 { .compatible = "brcm,bcm4908-pmb", .data = &bcm_pmb_bcm4908_data, }, 327 + { .compatible = "brcm,bcm63138-pmb", .data = &bcm_pmb_bcm63138_data, }, 346 328 { }, 347 329 }; 348 330
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include/dt-bindings/soc/bcm-pmb.h
··· 7 7 #define BCM_PMB_PCIE1 0x02 8 8 #define BCM_PMB_PCIE2 0x03 9 9 #define BCM_PMB_HOST_USB 0x04 10 + #define BCM_PMB_SATA 0x05 10 11 11 12 #endif