| Message ID | 1480774291-6211-2-git-send-email-baoyou.xie@linaro.org |
|---|---|
| State | New |
| Headers | show |
2016-12-03 22:11 GMT+08:00 Baoyou Xie <baoyou.xie@linaro.org>: > This patch introduces the power domain driver of zx296718 > which belongs to zte's 2967 family. > > Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> > --- > drivers/soc/zte/Makefile | 3 + > drivers/soc/zte/zx296718_pm_domains.c | 162 ++++++++++++++++++++++++++++++++++ > 2 files changed, 165 insertions(+) > create mode 100644 drivers/soc/zte/zx296718_pm_domains.c > > diff --git a/drivers/soc/zte/Makefile b/drivers/soc/zte/Makefile > index 97ac8ea..a6e7bfe 100644 > --- a/drivers/soc/zte/Makefile > +++ b/drivers/soc/zte/Makefile > @@ -2,3 +2,6 @@ > # zx SOC drivers > # > obj-$(CONFIG_ZX_PM_DOMAINS) += pm_domains.o > +ifeq ($(CONFIG_ZX_PM_DOMAINS), y) > + obj-y += zx296718_pm_domains.o > +endif Follow unified style for Makefile: obj-$(CONFIG_ZX_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 0000000..fc16dfd > --- /dev/null > +++ b/drivers/soc/zte/zx296718_pm_domains.c > @@ -0,0 +1,162 @@ > +/* > + * Copyright (C) 2015 ZTE Ltd. > + * > + * Author: Baoyou Xie <baoyou.xie@linaro.org> > + * License terms: GNU General Public License (GPL) version 2 > + */ > +#include "pm_domains.h" > + > +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 zx_pm_domain vou_domain = { > + .dm = { > + .name = "vou_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_VOU, > +}; > +static struct zx_pm_domain sappu_domain = { > + .dm = { > + .name = "sappu_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_SAPPU, > +}; > +static struct zx_pm_domain vde_domain = { > + .dm = { > + .name = "vde_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_VDE, > +}; > +static struct zx_pm_domain vce_domain = { > + .dm = { > + .name = "vce_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_VCE, > +}; > +static struct zx_pm_domain hde_domain = { > + .dm = { > + .name = "hde_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_HDE, > +}; > + > +static struct zx_pm_domain viu_domain = { > + .dm = { > + .name = "viu_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_VIU, > +}; > +static struct zx_pm_domain usb20_domain = { > + .dm = { > + .name = "usb20_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_USB20, > +}; > +static struct zx_pm_domain usb21_domain = { > + .dm = { > + .name = "usb21_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_USB21, > +}; > +static struct zx_pm_domain usb30_domain = { > + .dm = { > + .name = "usb30_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_USB30, > +}; > +static struct zx_pm_domain hsic_domain = { > + .dm = { > + .name = "hsic_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_HSIC, > +}; > +static struct zx_pm_domain gmac_domain = { > + .dm = { > + .name = "gmac_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_GMAC, > +}; > +static struct zx_pm_domain ts_domain = { > + .dm = { > + .name = "ts_domain", > + .power_off = zx_normal_power_off, > + .power_on = zx_normal_power_on, > + }, > + .bit = PCU_DM_TS, > +}; > +struct generic_pm_domain *zx296718_pm_domains[] = { > + //&vou_domain.dm, Remove this line. > + &sappu_domain.dm, If you can add an index and add the index definition in devicetree header file, it will be more convenient when binding power domain to device in DT file. such as [ZX296718_PM_VDE] = &vde_domain.dm, > + &vde_domain.dm, > + &vce_domain.dm, > + &hde_domain.dm, > + &viu_domain.dm, > + &usb20_domain.dm, > + &usb21_domain.dm, > + &usb30_domain.dm, > + &hsic_domain.dm, > + &gmac_domain.dm, > + &ts_domain.dm, > + &vou_domain.dm, > +}; > + > +static int zx296718_pd_probe(struct platform_device *pdev) > +{ > + return zx_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", }, Suggest to rename probe function and of_device_id to a generic zx name, then add compatible data so that probe function can be shared. Probe function can find SoC specific data via comparing compatible string and initialize device accordingly. > + { }, > +}; > + > +static struct platform_driver zx296718_pd_driver = { > + .driver = { > + .name = "zx-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); > -- > 2.7.4 >
diff --git a/drivers/soc/zte/Makefile b/drivers/soc/zte/Makefile index 97ac8ea..a6e7bfe 100644 --- a/drivers/soc/zte/Makefile +++ b/drivers/soc/zte/Makefile @@ -2,3 +2,6 @@ # zx SOC drivers # obj-$(CONFIG_ZX_PM_DOMAINS) += pm_domains.o +ifeq ($(CONFIG_ZX_PM_DOMAINS), y) + obj-y += zx296718_pm_domains.o +endif diff --git a/drivers/soc/zte/zx296718_pm_domains.c b/drivers/soc/zte/zx296718_pm_domains.c new file mode 100644 index 0000000..fc16dfd --- /dev/null +++ b/drivers/soc/zte/zx296718_pm_domains.c @@ -0,0 +1,162 @@ +/* + * Copyright (C) 2015 ZTE Ltd. + * + * Author: Baoyou Xie <baoyou.xie@linaro.org> + * License terms: GNU General Public License (GPL) version 2 + */ +#include "pm_domains.h" + +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 zx_pm_domain vou_domain = { + .dm = { + .name = "vou_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_VOU, +}; +static struct zx_pm_domain sappu_domain = { + .dm = { + .name = "sappu_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_SAPPU, +}; +static struct zx_pm_domain vde_domain = { + .dm = { + .name = "vde_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_VDE, +}; +static struct zx_pm_domain vce_domain = { + .dm = { + .name = "vce_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_VCE, +}; +static struct zx_pm_domain hde_domain = { + .dm = { + .name = "hde_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_HDE, +}; + +static struct zx_pm_domain viu_domain = { + .dm = { + .name = "viu_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_VIU, +}; +static struct zx_pm_domain usb20_domain = { + .dm = { + .name = "usb20_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_USB20, +}; +static struct zx_pm_domain usb21_domain = { + .dm = { + .name = "usb21_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_USB21, +}; +static struct zx_pm_domain usb30_domain = { + .dm = { + .name = "usb30_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_USB30, +}; +static struct zx_pm_domain hsic_domain = { + .dm = { + .name = "hsic_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_HSIC, +}; +static struct zx_pm_domain gmac_domain = { + .dm = { + .name = "gmac_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_GMAC, +}; +static struct zx_pm_domain ts_domain = { + .dm = { + .name = "ts_domain", + .power_off = zx_normal_power_off, + .power_on = zx_normal_power_on, + }, + .bit = PCU_DM_TS, +}; +struct generic_pm_domain *zx296718_pm_domains[] = { + //&vou_domain.dm, + &sappu_domain.dm, + &vde_domain.dm, + &vce_domain.dm, + &hde_domain.dm, + &viu_domain.dm, + &usb20_domain.dm, + &usb21_domain.dm, + &usb30_domain.dm, + &hsic_domain.dm, + &gmac_domain.dm, + &ts_domain.dm, + &vou_domain.dm, +}; + +static int zx296718_pd_probe(struct platform_device *pdev) +{ + return zx_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 = "zx-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);
This patch introduces the power domain driver of zx296718 which belongs to zte's 2967 family. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> --- drivers/soc/zte/Makefile | 3 + drivers/soc/zte/zx296718_pm_domains.c | 162 ++++++++++++++++++++++++++++++++++ 2 files changed, 165 insertions(+) create mode 100644 drivers/soc/zte/zx296718_pm_domains.c -- 2.7.4