Thread (22 messages) 22 messages, 2 authors, 2026-01-31
STALE142d REVIEWED: 6 (6M)
Revisions (6)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 current
  4. v4 [diff vs current]
  5. v5 [diff vs current]
  6. v6 [diff vs current]

[PATCH v3 08/20] clk: renesas: r9a09g047: Add support for LCDC{0,1} clocks and resets

From: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
Date: 2026-01-30 18:31:43
Also in: dri-devel, linux-clk, linux-renesas-soc, lkml
Subsystem: common clk framework, renesas clock drivers, the rest · Maintainers: Michael Turquette, Stephen Boyd, Geert Uytterhoeven, Linus Torvalds

Add LCDC{0,1} clocks and resets entries to the r9a09g047 CPG driver.

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Tommaso Merciai <tommaso.merciai.xr@bp.renesas.com>
---
v1->v2:
 - Collected GUytterhoeven tag.

v2->v3:
 - No changes.

 drivers/clk/renesas/r9a09g047-cpg.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
diff --git a/drivers/clk/renesas/r9a09g047-cpg.c b/drivers/clk/renesas/r9a09g047-cpg.c
index 596349fe6132..06ed9baf710d 100644
--- a/drivers/clk/renesas/r9a09g047-cpg.c
+++ b/drivers/clk/renesas/r9a09g047-cpg.c
@@ -496,6 +496,12 @@ static const struct rzv2h_mod_clk r9a09g047_mod_clks[] __initconst = {
 						BUS_MSTOP(9, BIT(15) | BIT(14))),
 	DEF_MOD("dsi_0_pllref_clk",		CLK_QEXTAL, 14, 12, 7, 12,
 						BUS_MSTOP(9, BIT(15) | BIT(14))),
+	DEF_MOD("lcdc_0_clk_a",			CLK_PLLDTY_ACPU_DIV2, 14, 13, 7, 13,
+						BUS_MSTOP(10, BIT(3) | BIT(2) | BIT(1))),
+	DEF_MOD("lcdc_0_clk_p",			CLK_PLLDTY_DIV16, 14, 14, 7, 14,
+						BUS_MSTOP(10, BIT(3) | BIT(2) | BIT(1))),
+	DEF_MOD("lcdc_0_clk_d",			CLK_SMUX2_DSI0_CLK, 14, 15, 7, 15,
+						BUS_MSTOP(10, BIT(3) | BIT(2) | BIT(1))),
 	DEF_MOD("ge3d_clk",			CLK_PLLVDO_GPU, 15, 0, 7, 16,
 						BUS_MSTOP(3, BIT(4))),
 	DEF_MOD("ge3d_axi_clk",			CLK_PLLDTY_ACPU_DIV2, 15, 1, 7, 17,
@@ -506,6 +512,12 @@ static const struct rzv2h_mod_clk r9a09g047_mod_clks[] __initconst = {
 						BUS_MSTOP(2, BIT(15))),
 	DEF_MOD("dsi_0_vclk2",			CLK_SMUX2_DSI1_CLK, 25, 0, 10, 21,
 						BUS_MSTOP(9, BIT(15) | BIT(14))),
+	DEF_MOD("lcdc_1_clk_a",			CLK_PLLDTY_ACPU_DIV2, 26, 8, 10, 30,
+						BUS_MSTOP(13, BIT(5) | BIT(4) | BIT(3))),
+	DEF_MOD("lcdc_1_clk_p",			CLK_PLLDTY_DIV16, 26, 9, 10, 31,
+						BUS_MSTOP(13, BIT(5) | BIT(4) | BIT(3))),
+	DEF_MOD("lcdc_1_clk_d",			CLK_SMUX2_DSI1_CLK, 26, 10, 11, 0,
+						BUS_MSTOP(13, BIT(5) | BIT(4) | BIT(3))),
 };
 
 static const struct rzv2h_reset r9a09g047_resets[] __initconst = {
@@ -576,10 +588,12 @@ static const struct rzv2h_reset r9a09g047_resets[] __initconst = {
 	DEF_RST(12, 7, 5, 24),		/* CRU_0_S_RESETN */
 	DEF_RST(13, 7, 6, 8),		/* DSI_0_PRESETN */
 	DEF_RST(13, 8, 6, 9),		/* DSI_0_ARESETN */
+	DEF_RST(13, 12, 6, 13),		/* LCDC_0_RESET_N */
 	DEF_RST(13, 13, 6, 14),		/* GE3D_RESETN */
 	DEF_RST(13, 14, 6, 15),		/* GE3D_AXI_RESETN */
 	DEF_RST(13, 15, 6, 16),		/* GE3D_ACE_RESETN */
 	DEF_RST(15, 8, 7, 9),		/* TSU_1_PRESETN */
+	DEF_RST(17, 14, 8, 15),		/* LCDC_1_RESET_N */
 };
 
 const struct rzv2h_cpg_info r9a09g047_cpg_info __initconst = {
-- 
2.43.0
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