diff options
| -rw-r--r-- | drivers/soc/zte/Makefile | 1 | ||||
| -rw-r--r-- | drivers/soc/zte/zx296718_pm_domains.c | 182 |
2 files changed, 183 insertions, 0 deletions
diff --git a/drivers/soc/zte/Makefile b/drivers/soc/zte/Makefile index 8a37f2f7ed27..96b7cd4c9629 100644 --- a/drivers/soc/zte/Makefile +++ b/drivers/soc/zte/Makefile @@ -2,3 +2,4 @@ # ZTE SOC drivers # obj-$(CONFIG_ZX2967_PM_DOMAINS) += zx2967_pm_domains.o +obj-$(CONFIG_ZX2967_PM_DOMAINS) += zx296718_pm_domains.o diff --git a/drivers/soc/zte/zx296718_pm_domains.c b/drivers/soc/zte/zx296718_pm_domains.c new file mode 100644 index 000000000000..5ed924fee855 --- /dev/null +++ b/drivers/soc/zte/zx296718_pm_domains.c @@ -0,0 +1,182 @@ +/* + * Copyright (C) 2017 ZTE Ltd. + * + * Author: Baoyou Xie <baoyou.xie@linaro.org> + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <dt-bindings/soc/zte,pm_domains.h> +#include "zx2967_pm_domains.h" + +static u16 zx296718_offsets[REG_ARRAY_SIZE] = { + [REG_CLKEN] = 0x18, + [REG_ISOEN] = 0x1c, + [REG_RSTEN] = 0x20, + [REG_PWREN] = 0x24, + [REG_ACK_SYNC] = 0x28, +}; + +enum { + PCU_DM_VOU = 0, + PCU_DM_SAPPU, + PCU_DM_VDE, + PCU_DM_VCE, + PCU_DM_HDE, + PCU_DM_VIU, + PCU_DM_USB20, + PCU_DM_USB21, + PCU_DM_USB30, + PCU_DM_HSIC, + PCU_DM_GMAC, + PCU_DM_TS, +}; + +static struct zx2967_pm_domain vou_domain = { + .dm = { + .name = "vou_domain", + }, + .bit = PCU_DM_VOU, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain sappu_domain = { + .dm = { + .name = "sappu_domain", + }, + .bit = PCU_DM_SAPPU, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain vde_domain = { + .dm = { + .name = "vde_domain", + }, + .bit = PCU_DM_VDE, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain vce_domain = { + .dm = { + .name = "vce_domain", + }, + .bit = PCU_DM_VCE, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain hde_domain = { + .dm = { + .name = "hde_domain", + }, + .bit = PCU_DM_HDE, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain viu_domain = { + .dm = { + .name = "viu_domain", + }, + .bit = PCU_DM_VIU, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain usb20_domain = { + .dm = { + .name = "usb20_domain", + }, + .bit = PCU_DM_USB20, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain usb21_domain = { + .dm = { + .name = "usb21_domain", + }, + .bit = PCU_DM_USB21, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain usb30_domain = { + .dm = { + .name = "usb30_domain", + }, + .bit = PCU_DM_USB30, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain hsic_domain = { + .dm = { + .name = "hsic_domain", + }, + .bit = PCU_DM_HSIC, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain gmac_domain = { + .dm = { + .name = "gmac_domain", + }, + .bit = PCU_DM_GMAC, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct zx2967_pm_domain ts_domain = { + .dm = { + .name = "ts_domain", + }, + .bit = PCU_DM_TS, + .polarity = PWREN, + .reg_offset = zx296718_offsets, +}; + +static struct generic_pm_domain *zx296718_pm_domains[] = { + [DM_ZX296718_VOU] = &vou_domain.dm, + [DM_ZX296718_SAPPU] = &sappu_domain.dm, + [DM_ZX296718_VDE] = &vde_domain.dm, + [DM_ZX296718_VCE] = &vce_domain.dm, + [DM_ZX296718_HDE] = &hde_domain.dm, + [DM_ZX296718_VIU] = &viu_domain.dm, + [DM_ZX296718_USB20] = &usb20_domain.dm, + [DM_ZX296718_USB21] = &usb21_domain.dm, + [DM_ZX296718_USB30] = &usb30_domain.dm, + [DM_ZX296718_HSIC] = &hsic_domain.dm, + [DM_ZX296718_GMAC] = &gmac_domain.dm, + [DM_ZX296718_TS] = &ts_domain.dm, +}; + +static int zx296718_pd_probe(struct platform_device *pdev) +{ + return zx2967_pd_probe(pdev, + zx296718_pm_domains, + ARRAY_SIZE(zx296718_pm_domains)); +} + +static const struct of_device_id zx296718_pm_domain_matches[] = { + { .compatible = "zte,zx296718-pcu", }, + { }, +}; + +static struct platform_driver zx296718_pd_driver = { + .driver = { + .name = "zx296718-powerdomain", + .owner = THIS_MODULE, + .of_match_table = zx296718_pm_domain_matches, + }, + .probe = zx296718_pd_probe, +}; + +static int __init zx296718_pd_init(void) +{ + return platform_driver_register(&zx296718_pd_driver); +} +subsys_initcall(zx296718_pd_init); |
