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| author | Tony Lindgren <tony@atomide.com> | 2019-05-27 04:51:54 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2019-05-28 05:19:15 -0700 |
| commit | ae9ae12e9daa1e2139c3ff729d60f3c16d6e9b61 (patch) | |
| tree | be37e2afe465b1a005c367276d5318c56e51c24e /drivers/bus/ti-sysc.c | |
| parent | eec26555ae9bf69da8bfe90cacdbc85d7a23391b (diff) | |
| download | talos-op-linux-ae9ae12e9daa1e2139c3ff729d60f3c16d6e9b61.tar.gz talos-op-linux-ae9ae12e9daa1e2139c3ff729d60f3c16d6e9b61.zip | |
bus: ti-sysc: Handle clockactivity for enable and disable
Modules with clockactivity need it configured during enable.
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'drivers/bus/ti-sysc.c')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 46a8eb469cb2..31035492f1be 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -859,6 +859,7 @@ static void sysc_show_registers(struct sysc *ddata) } #define SYSC_IDLE_MASK (SYSC_NR_IDLEMODES - 1) +#define SYSC_CLOCACT_ICK 2 /* Caller needs to manage sysc_clkdm_deny_idle() and sysc_clkdm_allow_idle() */ static int sysc_enable_module(struct device *dev) @@ -874,6 +875,12 @@ static int sysc_enable_module(struct device *dev) regbits = ddata->cap->regbits; reg = sysc_read(ddata, ddata->offsets[SYSC_SYSCONFIG]); + /* Set CLOCKACTIVITY, we only use it for ick */ + if (regbits->clkact_shift >= 0 && + (ddata->cfg.quirks & SYSC_QUIRK_USE_CLOCKACT || + ddata->cfg.sysc_val & BIT(regbits->clkact_shift))) + reg |= SYSC_CLOCACT_ICK << regbits->clkact_shift; + /* Set SIDLE mode */ idlemodes = ddata->cfg.sidlemodes; if (!idlemodes || regbits->sidle_shift < 0) |
