[PATCH 2/9] ARM: OMAP2+: Probe PRCM first to probe l4_wkup with simple-pm-bus

From: Tony Lindgren
Date: Mon Oct 26 2020 - 07:11:18 EST


In preparation for probing the interconnects with simple-pm-bus to
make use of genpd, we need to probe the always-on PRCM first for the
clocks needed by l4_wkup instance.

Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/pdata-quirks.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -580,6 +580,8 @@ static void pdata_quirks_check(struct pdata_init *quirks)

void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
{
+ struct device_node *np;
+
/*
* We still need this for omap2420 and omap3 PM to work, others are
* using drivers/misc/sram.c already.
@@ -591,6 +593,15 @@ void __init pdata_quirks_init(const struct of_device_id *omap_dt_match_table)
if (of_machine_is_compatible("ti,omap3"))
omap3_mcbsp_init();
pdata_quirks_check(auxdata_quirks);
+
+ /* Populate always-on PRCM in l4_wkup to probe l4_wkup */
+ np = of_find_node_by_name(NULL, "prcm");
+ if (!np)
+ np = of_find_node_by_name(NULL, "prm");
+ if (np)
+ of_platform_populate(np, omap_dt_match_table,
+ omap_auxdata_lookup, NULL);
+
of_platform_populate(NULL, omap_dt_match_table,
omap_auxdata_lookup, NULL);
pdata_quirks_check(pdata_quirks);
--
2.29.1