linux-kernel - [PATCH 08/17] clk: renesas: r9a07g043: Add initial support for power domains

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Message-Id: <20240208124300.2740313-9-claudiu.beznea.uj@bp.renesas.com>
Date: Thu,  8 Feb 2024 14:42:51 +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 08/17] clk: renesas: r9a07g043: Add initial support for power domains

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

Instantiate always-on power domain for R9A07G043 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/r9a07g043-cpg.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c
index acfb06cad441..3a7fddd1fa61 100644
--- a/drivers/clk/renesas/r9a07g043-cpg.c
+++ b/drivers/clk/renesas/r9a07g043-cpg.c
@@ -358,6 +358,11 @@ static const unsigned int r9a07g043_no_pm_mod_clks[] = {
 };
 #endif
 
+static const struct rzg2l_cpg_pm_domain_init_data r9a07g043_pm_domains[] = {
+	DEF_PD("always-on",	R9A07G043_PD_ALWAYS_ON, 0, 0,
+				RZG2L_PD_F_PARENT | RZG2L_PD_F_ALWAYS_ON),
+};
+
 const struct rzg2l_cpg_info r9a07g043_cpg_info = {
 	/* Core Clocks */
 	.core_clks = r9a07g043_core_clks,
@@ -392,5 +397,9 @@ const struct rzg2l_cpg_info r9a07g043_cpg_info = {
 	.num_resets = R9A07G043_IAX45_RESETN + 1, /* Last reset ID + 1 */
 #endif
 
+	/* Power domains. */
+	.pm_domains = r9a07g043_pm_domains,
+	.num_pm_domains = ARRAY_SIZE(r9a07g043_pm_domains),
+
 	.has_clk_mon_regs = true,
 };
-- 
2.39.2