linux-kernel - [PATCH 11/17] clk: renesas: r9a09g011: Add initial support for power domains

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Message-Id: <20240208124300.2740313-12-claudiu.beznea.uj@bp.renesas.com>
Date: Thu,  8 Feb 2024 14:42:54 +0200
From: Claudiu <claudiu.beznea@...on.dev>
To: geert+renesas@...der.be,
	mturquette@...libre.com,
	sboyd@...nel.org,
	robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	magnus.damm@...il.com,
	paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu
Cc: linux-renesas-soc@...r.kernel.org,
	linux-clk@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	claudiu.beznea@...on.dev,
	Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: [PATCH 11/17] clk: renesas: r9a09g011: Add initial support for power domains

From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>

Instantiate always-on power domain for R9A09G011 SoC. At the moment, all
the IPs are part of this domain.

Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
---
 drivers/clk/renesas/r9a09g011-cpg.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/clk/renesas/r9a09g011-cpg.c b/drivers/clk/renesas/r9a09g011-cpg.c
index dda9f29dff33..9d090075f3be 100644
--- a/drivers/clk/renesas/r9a09g011-cpg.c
+++ b/drivers/clk/renesas/r9a09g011-cpg.c
@@ -245,6 +245,11 @@ static const unsigned int r9a09g011_crit_mod_clks[] __initconst = {
 	MOD_CLK_BASE + R9A09G011_URT_PCLK,
 };
 
+static const struct rzg2l_cpg_pm_domain_init_data r9a09g011_pm_domains[] = {
+	DEF_PD("always-on",	R9A09G011_PD_ALWAYS_ON, 0, 0,
+				RZG2L_PD_F_PARENT | RZG2L_PD_F_ALWAYS_ON),
+};
+
 const struct rzg2l_cpg_info r9a09g011_cpg_info = {
 	/* Core Clocks */
 	.core_clks = r9a09g011_core_clks,
@@ -265,5 +270,9 @@ const struct rzg2l_cpg_info r9a09g011_cpg_info = {
 	.resets = r9a09g011_resets,
 	.num_resets = ARRAY_SIZE(r9a09g011_resets),
 
+	/* PM domains */
+	.pm_domains = r9a09g011_pm_domains,
+	.num_pm_domains = ARRAY_SIZE(r9a09g011_pm_domains),
+
 	.has_clk_mon_regs = false,
 };
-- 
2.39.2