Merge tag 'renesas-clk-for-v6.13-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into clk-renesas

Pull more Renesas clk driver updates from Geert Uytterhoeven:

 - Add RTC power domain and Battery Backup Function (VBATTB) clock
   support for the Renesas RZ/G3S SoC
 - Add the devm_clk_hw_register_gate_parent_hw() helper

* tag 'renesas-clk-for-v6.13-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers:
  clk: renesas: vbattb: Add VBATTB clock driver
  clk: Add devm_clk_hw_register_gate_parent_hw()
  clk: renesas: rzg2l: Fix FOUTPOSTDIV clk
  dt-bindings: clock: renesas,r9a08g045-vbattb: Document VBATTB
  clk: renesas: r9a08g045: Add power domain for RTC
  clk: renesas: r9a08g045: Mark the watchdog and always-on PM domains as IRQ safe
  clk: renesas: rzg2l-cpg: Use GENPD_FLAG_* flags instead of local ones
  clk: renesas: rzg2l-cpg: Move PM domain power on in rzg2l_cpg_pd_setup()
  dt-bindings: clock: r9a08g045-cpg: Add power domain ID for RTC

3 files changed, 32 insertions, 0 deletions

diff --git a/include/dt-bindings/clock/r9a08g045-cpg.h b/include/dt-bindings/clock/r9a08g045-cpg.h
index 8281e9caf3a9..311521fe4b59 100644
--- a/include/dt-bindings/clock/r9a08g045-cpg.h
+++ b/include/dt-bindings/clock/r9a08g045-cpg.h
@@ -308,5 +308,6 @@
 #define R9A08G045_PD_DDR		64
 #define R9A08G045_PD_TZCDDR		65
 #define R9A08G045_PD_OTFDE_DDR		66
+#define R9A08G045_PD_RTC		67
 
 #endif /* __DT_BINDINGS_CLOCK_R9A08G045_CPG_H__ */
diff --git a/include/dt-bindings/clock/renesas,r9a08g045-vbattb.h b/include/dt-bindings/clock/renesas,r9a08g045-vbattb.h
new file mode 100644
index 000000000000..67774eafad06
--- /dev/null
+++ b/include/dt-bindings/clock/renesas,r9a08g045-vbattb.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+ *
+ * Copyright (C) 2024 Renesas Electronics Corp.
+ */
+#ifndef __DT_BINDINGS_CLOCK_R9A08G045_VBATTB_H__
+#define __DT_BINDINGS_CLOCK_R9A08G045_VBATTB_H__
+
+#define VBATTB_XC		0
+#define VBATTB_XBYP		1
+#define VBATTB_MUX		2
+#define VBATTB_VBATTCLK		3
+
+#endif /* __DT_BINDINGS_CLOCK_R9A08G045_VBATTB_H__ */
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 7e43caabb54b..28cf7d103e92 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -623,6 +623,24 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 			       NULL, (flags), (reg), (bit_idx),		      \
 			       (clk_gate_flags), (lock))
 /**
+ * devm_clk_hw_register_gate_parent_hw - register a gate clock with the clock
+ * framework
+ * @dev: device that is registering this clock
+ * @name: name of this clock
+ * @parent_hw: pointer to parent clk
+ * @flags: framework-specific flags for this clock
+ * @reg: register address to control gating of this clock
+ * @bit_idx: which bit in the register controls gating of this clock
+ * @clk_gate_flags: gate-specific flags for this clock
+ * @lock: shared register lock for this clock
+ */
+#define devm_clk_hw_register_gate_parent_hw(dev, name, parent_hw, flags,      \
+					    reg, bit_idx, clk_gate_flags,     \
+					    lock)			      \
+	__devm_clk_hw_register_gate((dev), NULL, (name), NULL, (parent_hw),   \
+				    NULL, (flags), (reg), (bit_idx),	      \
+				    (clk_gate_flags), (lock))
+/**
  * devm_clk_hw_register_gate_parent_data - register a gate clock with the
  * clock framework
  * @dev: device that is registering this clock