[2/9] ARM: OMAP2+: Probe PRCM first to probe l4_wkup with simple-pm-bus
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Message ID 20201026111049.54835-3-tony@atomide.com
State New, archived
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Series
  • Genpd related code changes to drop am335x pdata
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Commit Message

Tony Lindgren Oct. 26, 2020, 11:10 a.m. UTC
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@atomide.com>
---
 arch/arm/mach-omap2/pdata-quirks.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Patch
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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);