[PATCH] clk: renesas: r9a08g045: Add I3C clocks and resets

[PATCH] clk: renesas: r9a08g045: Add I3C clocks and resets

[Wolfram Sang]

Extracted from the BSP driver and rebased.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---

Changes since RFC:
* seperated from larger series
* refactored because pm_domain-array is gone now
* rebased to renesas-drivers as of today

Thanks to Geert for the pointers! Tested on HW.

 drivers/clk/renesas/r9a08g045-cpg.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/clk/renesas/r9a08g045-cpg.c b/drivers/clk/renesas/r9a08g045-cpg.c
index 405907925bb7..93aae270665f 100644
--- a/drivers/clk/renesas/r9a08g045-cpg.c
+++ b/drivers/clk/renesas/r9a08g045-cpg.c
@@ -183,6 +183,7 @@ static const struct cpg_core_clk r9a08g045_core_clks[] __initconst = {
 	DEF_G3S_DIV("P3", R9A08G045_CLK_P3, CLK_PLL3_DIV2_4, DIVPL3C, G3S_DIVPL3C_STS,
 		    dtable_1_32, 0, 0, 0, NULL),
 	DEF_FIXED("P3_DIV2", CLK_P3_DIV2, R9A08G045_CLK_P3, 1, 2),
+	DEF_FIXED("P5", R9A08G045_CLK_P5, CLK_PLL2_DIV2, 1, 4),
 	DEF_FIXED("ZT", R9A08G045_CLK_ZT, CLK_PLL3_DIV2_8, 1, 1),
 	DEF_FIXED("S0", R9A08G045_CLK_S0, CLK_SEL_PLL4, 1, 2),
 	DEF_FIXED("OSC", R9A08G045_OSCCLK, CLK_EXTAL, 1, 1),
@@ -289,6 +290,10 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
 					MSTOP(BUS_MCPU2, BIT(14))),
 	DEF_MOD("tsu_pclk",		R9A08G045_TSU_PCLK, R9A08G045_CLK_TSU, 0x5ac, 0,
 					MSTOP(BUS_MCPU2, BIT(15))),
+	DEF_MOD("i3c_pclk",             R9A08G045_I3C_PCLK, R9A08G045_CLK_TSU, 0x610, 0,
+					MSTOP(BUS_MCPU3, BIT(10))),
+	DEF_MOD("i3c_tclk",             R9A08G045_I3C_TCLK, R9A08G045_CLK_P5, 0x610, 1,
+					MSTOP(BUS_MCPU3, BIT(10))),
 	DEF_MOD("vbat_bclk",		R9A08G045_VBAT_BCLK, R9A08G045_OSCCLK, 0x614, 0,
 					MSTOP(BUS_MCPU3, GENMASK(8, 7))),
 };
@@ -329,6 +334,8 @@ static const struct rzg2l_reset r9a08g045_resets[] = {
 	DEF_RST(R9A08G045_ADC_PRESETN, 0x8a8, 0),
 	DEF_RST(R9A08G045_ADC_ADRST_N, 0x8a8, 1),
 	DEF_RST(R9A08G045_TSU_PRESETN, 0x8ac, 0),
+	DEF_RST(R9A08G045_I3C_TRESETN, 0x910, 0),
+	DEF_RST(R9A08G045_I3C_PRESETN, 0x910, 1),
 	DEF_RST(R9A08G045_VBAT_BRESETN, 0x914, 0),
 };
 
-- 
2.47.2

Re: [PATCH] clk: renesas: r9a08g045: Add I3C clocks and resets

[Geert Uytterhoeven]

On Mon, 30 Jun 2025 at 21:24, Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> Extracted from the BSP driver and rebased.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
> ---
>
> Changes since RFC:
> * seperated from larger series
> * refactored because pm_domain-array is gone now
> * rebased to renesas-drivers as of today

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-clk for v6.18.

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds