diff options
| author | Eddie Huang <eddie.huang@mediatek.com> | 2015-08-26 10:14:41 +0300 |
|---|---|---|
| committer | Matthias Brugger <matthias.bgg@gmail.com> | 2015-09-27 16:18:33 +0300 |
| commit | 47e90154fafd1a1310e3c5baed77d8f4c33ab271 (patch) | |
| tree | 7398d40fc8f4527b159ad47295b2e7eeb9966e6d /drivers | |
| parent | bbe379fc7ca5cae09b1bc44fe5ee4173ad883fbf (diff) | |
| download | linux-47e90154fafd1a1310e3c5baed77d8f4c33ab271.tar.xz | |
soc: mediatek: add scpsys support active_wakeup
Register gpd_dev_ops.active_wakeup function to support keep power
during suspend state. And add flag to each power domain to
decide whether keep power during suspend or not.
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Eddie Huang <eddie.huang@mediatek.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/soc/mediatek/mtk-scpsys.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c index 164a7d8439b1..55ab08ffc010 100644 --- a/drivers/soc/mediatek/mtk-scpsys.c +++ b/drivers/soc/mediatek/mtk-scpsys.c @@ -68,6 +68,7 @@ struct scp_domain_data { u32 sram_pdn_ack_bits; u32 bus_prot_mask; enum clk_id clk_id; + bool active_wakeup; }; static const struct scp_domain_data scp_domain_data[] __initconst = { @@ -128,6 +129,7 @@ static const struct scp_domain_data scp_domain_data[] __initconst = { .sram_pdn_bits = GENMASK(11, 8), .sram_pdn_ack_bits = GENMASK(15, 12), .clk_id = MT8173_CLK_NONE, + .active_wakeup = true, }, [MT8173_POWER_DOMAIN_MFG_ASYNC] = { .name = "mfg_async", @@ -172,6 +174,7 @@ struct scp_domain { u32 sram_pdn_bits; u32 sram_pdn_ack_bits; u32 bus_prot_mask; + bool active_wakeup; }; struct scp { @@ -371,6 +374,17 @@ out: return ret; } +static bool scpsys_active_wakeup(struct device *dev) +{ + struct generic_pm_domain *genpd; + struct scp_domain *scpd; + + genpd = pd_to_genpd(dev->pm_domain); + scpd = container_of(genpd, struct scp_domain, genpd); + + return scpd->active_wakeup; +} + static int __init scpsys_probe(struct platform_device *pdev) { struct genpd_onecell_data *pd_data; @@ -428,12 +442,14 @@ static int __init scpsys_probe(struct platform_device *pdev) scpd->sram_pdn_bits = data->sram_pdn_bits; scpd->sram_pdn_ack_bits = data->sram_pdn_ack_bits; scpd->bus_prot_mask = data->bus_prot_mask; + scpd->active_wakeup = data->active_wakeup; if (data->clk_id != MT8173_CLK_NONE) scpd->clk = clk[data->clk_id]; genpd->name = data->name; genpd->power_off = scpsys_power_off; genpd->power_on = scpsys_power_on; + genpd->dev_ops.active_wakeup = scpsys_active_wakeup; /* * Initially turn on all domains to make the domains usable |