linux-kernel - [PATCH 05/22] clk: renesas: r9a09g047: Add CLK_PLLDSI{0,1}

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <f7130b18f20fe80f4187cf0b024dc10438f2820e.1764165783.git.tommaso.merciai.xr@bp.renesas.com>
Date: Wed, 26 Nov 2025 15:07:17 +0100
From: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
To: tomm.merciai@...il.com
Cc: linux-renesas-soc@...r.kernel.org,
	biju.das.jz@...renesas.com,
	Tommaso Merciai <tommaso.merciai.xr@...renesas.com>,
	Andrzej Hajda <andrzej.hajda@...el.com>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Robert Foss <rfoss@...nel.org>,
	Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
	Jonas Karlman <jonas@...boo.se>,
	Jernej Skrabec <jernej.skrabec@...il.com>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>,
	dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-clk@...r.kernel.org
Subject: [PATCH 05/22] clk: renesas: r9a09g047: Add CLK_PLLDSI{0,1}_CSDIV clocks

Add the CLK_PLLDSI0_CSDIV and CLK_PLLDSI1_CSDIV fixed-factor clocks to
the r9a09g047 SoC clock driver.

These clocks are required to enable DSI and RGB output support.

Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@...renesas.com>
---
 drivers/clk/renesas/r9a09g047-cpg.c | 18 ++++++++++++++++++
 drivers/clk/renesas/rzv2h-cpg.h     |  1 +
 2 files changed, 19 insertions(+)

diff --git a/drivers/clk/renesas/r9a09g047-cpg.c b/drivers/clk/renesas/r9a09g047-cpg.c
index 0e707391283f..aa6528b72cef 100644
--- a/drivers/clk/renesas/r9a09g047-cpg.c
+++ b/drivers/clk/renesas/r9a09g047-cpg.c
@@ -71,6 +71,8 @@ enum clk_ids {
 	CLK_PLLETH_LPCLK,
 	CLK_PLLDSI0_DIV7,
 	CLK_PLLDSI1_DIV7,
+	CLK_PLLDSI0_CSDIV,
+	CLK_PLLDSI1_CSDIV,
 
 	/* Module Clocks */
 	MOD_CLK_BASE,
@@ -98,6 +100,18 @@ static const struct clk_div_table dtable_2_16[] = {
 	{0, 0},
 };
 
+static const struct clk_div_table dtable_2_16_plldsi[] = {
+	{0, 2},
+	{1, 4},
+	{2, 6},
+	{3, 8},
+	{4, 10},
+	{5, 12},
+	{6, 14},
+	{7, 16},
+	{0, 0},
+};
+
 static const struct clk_div_table dtable_2_64[] = {
 	{0, 2},
 	{1, 4},
@@ -198,6 +212,10 @@ static const struct cpg_core_clk r9a09g047_core_clks[] __initconst = {
 	DEF_CSDIV(".plleth_lpclk", CLK_PLLETH_LPCLK, CLK_PLLETH_DIV4_LPCLK,
 		  CSDIV0_DIVCTL2, dtable_16_128),
 
+	DEF_PLLDSI_DIV(".plldsi0_csdiv", CLK_PLLDSI0_CSDIV, CLK_PLLDSI0,
+		       CSDIV1_DIVCTL2, dtable_2_16_plldsi),
+	DEF_PLLDSI_DIV(".plldsi1_csdiv", CLK_PLLDSI1_CSDIV, CLK_PLLDSI1,
+		       CSDIV1_DIVCTL3, dtable_2_16_plldsi),
 	DEF_FIXED(".plldsi0_div7", CLK_PLLDSI0_DIV7, CLK_PLLDSI0, 1, 7),
 	DEF_FIXED(".plldsi1_div7", CLK_PLLDSI1_DIV7, CLK_PLLDSI1, 1, 7),
 
diff --git a/drivers/clk/renesas/rzv2h-cpg.h b/drivers/clk/renesas/rzv2h-cpg.h
index 5f6e775612e7..af881ff98b31 100644
--- a/drivers/clk/renesas/rzv2h-cpg.h
+++ b/drivers/clk/renesas/rzv2h-cpg.h
@@ -148,6 +148,7 @@ struct fixed_mod_conf {
 #define CSDIV0_DIVCTL2	DDIV_PACK(CPG_CSDIV0, 8, 2, CSDIV_NO_MON)
 #define CSDIV0_DIVCTL3	DDIV_PACK_NO_RMW(CPG_CSDIV0, 12, 2, CSDIV_NO_MON)
 #define CSDIV1_DIVCTL2	DDIV_PACK(CPG_CSDIV1, 8, 4, CSDIV_NO_MON)
+#define CSDIV1_DIVCTL3	DDIV_PACK(CPG_CSDIV1, 12, 4, CSDIV_NO_MON)
 
 #define SSEL0_SELCTL2	SMUX_PACK(CPG_SSEL0, 8, 1)
 #define SSEL0_SELCTL3	SMUX_PACK(CPG_SSEL0, 12, 1)
-- 
2.43.0