[PATCH 04/14] clk: renesas: r9a08g045-cpg: Add clock and reset support for ETH0 and ETH1
claudiu beznea
claudiu.beznea at tuxon.dev
Sun Dec 3 23:34:16 PST 2023
Hi, Geert,
On 01.12.2023 17:59, Geert Uytterhoeven wrote:
> Hi Claudiu,
>
> On Mon, Nov 20, 2023 at 8:01 AM Claudiu <claudiu.beznea at tuxon.dev> wrote:
>> From: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
>>
>> RZ/G3S has 2 Gigabit Ethernet interfaces available. Add clock and reset
>> support for both of them.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj at bp.renesas.com>
>
> Thanks for your patch!
>
>> --- a/drivers/clk/renesas/r9a08g045-cpg.c
>> +++ b/drivers/clk/renesas/r9a08g045-cpg.c
>> @@ -217,6 +219,16 @@ static const struct rzg2l_mod_clk r9a08g045_mod_clks[] = {
>> MSTOP(PERI_COM, BIT(11))),
>> DEF_MOD("sdhi2_aclk", R9A08G045_SDHI2_ACLK, R9A08G045_CLK_P1, 0x554, 11,
>> MSTOP(PERI_COM, BIT(11))),
>> + DEF_COUPLED("eth0_axi", R9A08G045_ETH0_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 0,
>> + MSTOP(PERI_COM, BIT(2))),
>> + DEF_COUPLED("eth0_chi", R9A08G045_ETH0_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 0,
>> + MSTOP(PERI_COM, BIT(2))),
>> + DEF_MOD("eth0_refclk", R9A08G045_ETH0_REFCLK, R9A08G045_CLK_HP, 0x57c, 8, 0),
>> + DEF_COUPLED("eth1_axi", R9A08G045_ETH1_CLK_AXI, R9A08G045_CLK_M0, 0x57c, 1,
>> + MSTOP(PERI_COM, BIT(3))),
>> + DEF_COUPLED("eth1_chi", R9A08G045_ETH1_CLK_CHI, R9A08G045_CLK_ZT, 0x57c, 1,
>> + MSTOP(PERI_COM, BIT(3))),
>> + DEF_MOD("eth1_refclk", R9A08G045_ETH1_REFCLK, R9A08G045_CLK_HP, 0x57c, 9, 0),
>> DEF_MOD("scif0_clk_pck", R9A08G045_SCIF0_CLK_PCK, R9A08G045_CLK_P0, 0x584, 0,
>> MSTOP(MCPU2, BIT(1))),
>> DEF_MOD("gpio_hclk", R9A08G045_GPIO_HCLK, R9A08G045_OSCCLK, 0x598, 0, 0),
>
> LGTM, pending the MSTOP() part.
>
> Is the MSTOP() handling needed to function? IIUIC, all modules are
> enabled
> out of reset.
MSTOP is not needed for Ethernet to work. Indeed, all modules are enabled
out of reset.
> If it is not needed, I can take this patch and remove the MSTOP() part.
It's OK for me. Thank you for handling this.
Anyway, let me know if you encounter issues with it so I can resend it.
Thank you,
Claudiu Beznea
>
> Gr{oetje,eeting}s,
>
> Geert
>
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