Hi, Geert,
On 16.02.2024 16:10, Geert Uytterhoeven wrote:
> Hi Claudiu,
>
> On Thu, Feb 8, 2024 at 1:44 PM Claudiu <claudiu.beznea@xxxxxxxxx> wrote:
>> From: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>>
>> Instantiate power domains for the currently enabled IPs of R9A08G045 SoC.
>>
>> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@xxxxxxxxxxxxxx>
>
> Thanks for your patch!
>
>> --- a/drivers/clk/renesas/r9a08g045-cpg.c
>> +++ b/drivers/clk/renesas/r9a08g045-cpg.c
>> @@ -240,6 +240,28 @@ static const unsigned int r9a08g045_crit_mod_clks[] __initconst = {
>> MOD_CLK_BASE + R9A08G045_DMAC_ACLK,
>> };
>>
>> +static const struct rzg2l_cpg_pm_domain_init_data r9a08g045_pm_domains[] = {
>> + DEF_PD("always-on", R9A08G045_PD_ALWAYS_ON, 0, 0,
>> + RZG2L_PD_F_PARENT | RZG2L_PD_F_ALWAYS_ON),
>> + DEF_PD("gic", R9A08G045_PD_GIC, MSTOP(ACPU, BIT(3)), PWRDN(IP1, 2),
>
> My docs document only bit 0 of the CPG_BUS_ACPU_MSTOP register.
Indeed, mine, too. I took as reference the table "Registers for Module
Standby Mode". I asked for clarifications. The TF-A software also uses
BIT(3) for setting this.
>
>> + RZG2L_PD_F_ALWAYS_ON),
>> + DEF_PD("ia55", R9A08G045_PD_IA55, MSTOP(PERI_CPU, BIT(13)), PWRDN(IP1, 3),
>> + RZG2L_PD_F_ALWAYS_ON),
>> + DEF_PD("dmac", R9A08G045_PD_DMAC, MSTOP(REG1, GENMASK(3, 0)), 0,
>> + RZG2L_PD_F_ALWAYS_ON),
>> + DEF_PD("ddr", R9A08G045_PD_DDR, MSTOP(PERI_DDR, BIT(1)), PWRDN(IP2, 0),
>
> Only BIT(1)? My docs suggest GENMASK(1, 0).
I wanted to keep PHY separated but there's no reason for doing that,
AFAICT. I'll update it.
>
>> + RZG2L_PD_F_ALWAYS_ON),
>> + DEF_PD("tzcddr", R9A08G045_PD_TZCDDR, MSTOP(TZCDDR, GENMASK(2, 0)),
>> + PWRDN(IP2, 1), RZG2L_PD_F_ALWAYS_ON),
>> + DEF_PD("otfde_ddr", R9A08G045_PD_OTFDE_DDR, 0, PWRDN(IP2, 2), RZG2L_PD_F_ALWAYS_ON),
>
> MSTOP(PERI_CPU2, BIT(2))?
OK.
Thank you,
Claudiu Beznea
>
>> + DEF_PD("sdhi0", R9A08G045_PD_SDHI0, MSTOP(PERI_COM, BIT(0)), PWRDN(IP1, 13), 0),
>> + DEF_PD("sdhi1", R9A08G045_PD_SDHI1, MSTOP(PERI_COM, BIT(1)), PWRDN(IP1, 14), 0),
>> + DEF_PD("sdhi2", R9A08G045_PD_SDHI2, MSTOP(PERI_COM, BIT(11)), PWRDN(IP1, 15), 0),
>> + DEF_PD("eth0", R9A08G045_PD_ETHER0, MSTOP(PERI_COM, BIT(2)), PWRDN(IP1, 11), 0),
>> + DEF_PD("eth1", R9A08G045_PD_ETHER1, MSTOP(PERI_COM, BIT(3)), PWRDN(IP1, 12), 0),
>> + DEF_PD("scif0", R9A08G045_PD_SCIF0, MSTOP(MCPU2, BIT(1)), 0, 0),
>> +};
>> +
>
> The rest LGTM.
>
> Gr{oetje,eeting}s,
>
> Geert
>
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> 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
