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....@mediatek.com>
Signed-off-by: Eddie Huang <eddie.hu...@mediatek.com>
---
drivers/soc/mediatek/mtk-scpsys.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/soc/mediatek/mtk-scpsys.c
b/drivers/soc/mediatek/mtk-scpsys.c
index 43a79ed..fc78b70 100644
--- a/drivers/soc/mediatek/mtk-scpsys.c
+++ b/drivers/soc/mediatek/mtk-scpsys.c
@@ -67,6 +67,7 @@ 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 = {
@@ -77,6 +78,7 @@ static const struct scp_domain_data scp_domain_data[]
__initconst = {
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(12, 12),
.clk_id = MT8173_CLK_MM,
+ .active_wakeup = false,
},
[MT8173_POWER_DOMAIN_VENC] = {
.name = "venc",
@@ -85,6 +87,7 @@ 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_MM,
+ .active_wakeup = false,
},
[MT8173_POWER_DOMAIN_ISP] = {
.name = "isp",
@@ -93,6 +96,7 @@ static const struct scp_domain_data scp_domain_data[]
__initconst = {
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(13, 12),
.clk_id = MT8173_CLK_MM,
+ .active_wakeup = false,
},
[MT8173_POWER_DOMAIN_MM] = {
.name = "mm",
@@ -101,6 +105,7 @@ static const struct scp_domain_data scp_domain_data[]
__initconst = {
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(12, 12),
.clk_id = MT8173_CLK_MM,
+ .active_wakeup = false,
.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MM_M0 |
MT8173_TOP_AXI_PROT_EN_MM_M1,
},
@@ -111,6 +116,7 @@ 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_MM,
+ .active_wakeup = false,
},
[MT8173_POWER_DOMAIN_AUDIO] = {
.name = "audio",
@@ -119,6 +125,7 @@ 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 = false,
},
[MT8173_POWER_DOMAIN_USB] = {
.name = "usb",
@@ -127,6 +134,7 @@ 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",
@@ -135,6 +143,7 @@ static const struct scp_domain_data scp_domain_data[]
__initconst = {
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = 0,
.clk_id = MT8173_CLK_MFG,
+ .active_wakeup = false,
},
[MT8173_POWER_DOMAIN_MFG_2D] = {
.name = "mfg_2d",
@@ -143,6 +152,7 @@ static const struct scp_domain_data scp_domain_data[]
__initconst = {
.sram_pdn_bits = GENMASK(11, 8),
.sram_pdn_ack_bits = GENMASK(13, 12),
.clk_id = MT8173_CLK_NONE,
+ .active_wakeup = false,
},
[MT8173_POWER_DOMAIN_MFG] = {
.name = "mfg",
@@ -151,6 +161,7 @@ static const struct scp_domain_data scp_domain_data[]
__initconst = {
.sram_pdn_bits = GENMASK(13, 8),
.sram_pdn_ack_bits = GENMASK(21, 16),
.clk_id = MT8173_CLK_NONE,
+ .active_wakeup = false,
.bus_prot_mask = MT8173_TOP_AXI_PROT_EN_MFG_S |
MT8173_TOP_AXI_PROT_EN_MFG_M0 |
MT8173_TOP_AXI_PROT_EN_MFG_M1 |
@@ -171,6 +182,7 @@ struct scp_domain {
u32 sram_pdn_bits;
u32 sram_pdn_ack_bits;
u32 bus_prot_mask;
+ bool active_wakeup;
};
struct scp {
@@ -370,6 +382,20 @@ out:
return ret;
}
+static bool scpsys_active_wakeup(struct device *dev)
+{
+ struct generic_pm_domain *genpd;
+ struct scp_domain *scpd;
+
+ if (IS_ERR_OR_NULL(dev->pm_domain))
+ return false;
+
+ 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;
@@ -427,12 +453,14 @@ 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
--
1.8.1.1.dirty
--
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