diff options
| author | Baoyou Xie | 2017-01-06 17:16:03 +0800 |
|---|---|---|
| committer | Shawn Guo | 2017-01-11 16:21:10 +0800 |
| commit | 4c2c2e39713b8cfbb73d304c830e883f5b2ad9ec (patch) | |
| tree | 600360129ffb206388b39e54717a4a5eb191bddd /drivers/soc/zte/zx2967_pm_domains.h | |
| parent | eea1d99b900fe19dce3042dac555c270221be147 (diff) | |
soc: zte: pm_domains: Prepare for supporting ARMv8 zx2967 family
The ARMv8 zx2967 family (296718, 296716 etc) uses different value
for controlling the power domain on/off registers, Choose the
value depending on the compatible.
Multiple domains are prepared for the family, this patch prepares
the common functions.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'drivers/soc/zte/zx2967_pm_domains.h')
| -rw-r--r-- | drivers/soc/zte/zx2967_pm_domains.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/soc/zte/zx2967_pm_domains.h b/drivers/soc/zte/zx2967_pm_domains.h new file mode 100644 index 000000000000..cb46595a7ff3 --- /dev/null +++ b/drivers/soc/zte/zx2967_pm_domains.h @@ -0,0 +1,44 @@ +/* + * Header for ZTE's Power Domain Driver support + * + * Copyright (C) 2017 ZTE Ltd. + * + * Author: Baoyou Xie <baoyou.xie@linaro.org> + * License terms: GNU General Public License (GPL) version 2 + */ + +#ifndef __ZTE_ZX2967_PM_DOMAIN_H +#define __ZTE_ZX2967_PM_DOMAIN_H + +#include <linux/platform_device.h> +#include <linux/pm_domain.h> + +enum { + REG_CLKEN, + REG_ISOEN, + REG_RSTEN, + REG_PWREN, + REG_PWRDN, + REG_ACK_SYNC, + + /* The size of the array - must be last */ + REG_ARRAY_SIZE, +}; + +enum zx2967_power_polarity { + PWREN, + PWRDN, +}; + +struct zx2967_pm_domain { + struct generic_pm_domain dm; + const u16 bit; + const enum zx2967_power_polarity polarity; + const u16 *reg_offset; +}; + +int zx2967_pd_probe(struct platform_device *pdev, + struct generic_pm_domain **zx_pm_domains, + int domain_num); + +#endif /* __ZTE_ZX2967_PM_DOMAIN_H */ |