diff mbox series

[06/13] bus: ti-sysc: Handle clockactivity for enable and disable

Message ID 20190528062414.27192-7-tony@atomide.com (mailing list archive)
State New, archived
Headers show
Series ti-sysc driver changes to drop custom hwmods property | expand

Commit Message

Tony Lindgren May 28, 2019, 6:24 a.m. UTC 
Modules with clockactivity need it configured during enable.

Signed-off-by: Tony Lindgren <tony@atomide.com>
---
 drivers/bus/ti-sysc.c | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -845,6 +845,7 @@  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)
@@ -860,6 +861,12 @@  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)