diff options
| author |   Tony Lindgren <tony@atomide.com> | 2019-11-14 08:25:28 -0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2019-11-14 08:25:28 -0800 |
| commit | 020003f763e24e4ed0bb3d8909f3940891536d5d (patch) | |
| tree | a85ccee3a3278d88db0d85df97aaec522e7502b5 /drivers/bus | |
| parent | bus: ti-sysc: Use swsup quirks also for am335x musb (diff) | |
| download | linux-dev-020003f763e24e4ed0bb3d8909f3940891536d5d.tar.xz linux-dev-020003f763e24e4ed0bb3d8909f3940891536d5d.zip | |
bus: ti-sysc: Add module enable quirk for audio AESS
We must set the autogating bit on enable for AESS (Audio Engine SubSystem)
when probed with ti-sysc interconnect target module driver. Otherwise it
won't idle properly.
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 97b85493aa43..99d7356e245b 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -1242,6 +1242,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { SYSC_QUIRK_SWSUP_SIDLE), /* Quirks that need to be set based on detected module */ + SYSC_QUIRK("aess", 0, 0, 0x10, -1, 0x40000000, 0xffffffff, + SYSC_MODULE_QUIRK_AESS), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff, SYSC_MODULE_QUIRK_HDQ1W), SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x0000000a, 0xffffffff, @@ -1270,7 +1272,6 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = { #ifdef DEBUG SYSC_QUIRK("adc", 0, 0, 0x10, -1, 0x47300001, 0xffffffff, 0), SYSC_QUIRK("atl", 0, 0, -1, -1, 0x0a070100, 0xffffffff, 0), - SYSC_QUIRK("aess", 0, 0, 0x10, -1, 0x40000000, 0xffffffff, 0), SYSC_QUIRK("cm", 0, 0, -1, -1, 0x40000301, 0xffffffff, 0), SYSC_QUIRK("control", 0, 0, 0x10, -1, 0x40000900, 0xffffffff, 0), SYSC_QUIRK("cpgmac", 0, 0x1200, 0x1208, 0x1204, 0x4edb1902, @@ -1402,6 +1403,14 @@ static void sysc_clk_enable_quirk_hdq1w(struct sysc *ddata) sysc_write(ddata, offset, val); } +/* AESS (Audio Engine SubSystem) needs autogating set after enable */ +static void sysc_module_enable_quirk_aess(struct sysc *ddata) +{ + int offset = 0x7c; /* AESS_AUTO_GATING_ENABLE */ + + sysc_write(ddata, offset, 1); +} + /* I2C needs extra enable bit toggling for reset */ static void sysc_clk_quirk_i2c(struct sysc *ddata, bool enable) { @@ -1484,6 +1493,9 @@ static void sysc_init_module_quirks(struct sysc *ddata) return; } + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_AESS) + ddata->module_enable_quirk = sysc_module_enable_quirk_aess; + if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_SGX) ddata->module_enable_quirk = sysc_module_enable_quirk_sgx; |