Re: [PATCH v5] clk: renesas: rzg2l-cpg: Add support for RZ/V2L SoC

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Hi Biju,

On Sat, Feb 5, 2022 at 9:40 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
> The clock structure for RZ/V2L is almost identical to RZ/G2L SoC. The only
> difference being RZ/V2L has an additional registers to control clock and
> reset for the DRP-AI block.
>
> This patch reuses r9a07g044-cpg.c, as the common clock IDS and rest IDS are
> same between RZ/G2L and RZ/V2L and adding a separate r9a07g054_cpg_info to
> take care of DRP-AI clocks/resets.
>
> Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
> ---
> This patch depend upon [1]
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/include/dt-bindings/clock?h=next-20220204&id=4decd2e54b61686787f36b727d2772e067a46ea5
> v4->v5:
> * Rebased on latest clk-driver
> * Added base commit ID
> v3->v4:
> * Added common/drp split for core clocks and resets

Thanks for the updates!

> --- a/drivers/clk/renesas/r9a07g044-cpg.c
> +++ b/drivers/clk/renesas/r9a07g044-cpg.c
> @@ -11,12 +11,13 @@
>  #include <linux/kernel.h>
>
>  #include <dt-bindings/clock/r9a07g044-cpg.h>
> +#include <dt-bindings/clock/r9a07g054-cpg.h>
>
>  #include "rzg2l-cpg.h"
>
>  enum clk_ids {
>         /* Core Clock Outputs exported to DT */
> -       LAST_DT_CORE_CLK = R9A07G044_CLK_P0_DIV2,
> +       LAST_DT_CORE_CLK = R9A07G054_CLK_DRP_A,
>
>         /* External Input Clocks */
>         CLK_EXTAL,
> @@ -80,252 +81,285 @@ static const char * const sel_pll6_2[]    = { ".pll6_250", ".pll5_250" };
>  static const char * const sel_shdi[] = { ".clk_533", ".clk_400", ".clk_266" };
>  static const char * const sel_gpu2[] = { ".pll6", ".pll3_div2_2" };
>
> -static const struct cpg_core_clk r9a07g044_core_clks[] __initconst = {
> -       /* External Clock Inputs */
> -       DEF_INPUT("extal", CLK_EXTAL),
> +static struct {
> +       const struct cpg_core_clk common[44];
> +#ifdef CONFIG_CLK_R9A07G054
> +       const struct cpg_core_clk drp[0];
> +#endif
> +} const core_clks __initconst = {

Having a single "const" between "static" and "struct" is sufficient.

> +       .common = {
> +               /* External Clock Inputs */
> +               DEF_INPUT("extal", CLK_EXTAL),
>

Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
i.e. will queue in renesas-clk-for-v5.18, with the above fixed.

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



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