Hi Wolfram,
On Thu, Jul 25, 2024 at 9:49 PM Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
> This patch enables TPU channel 1 for the GrayHawk board. Only for
> testing, not for upstream.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
Thanks for your patch!
> --- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
> +++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
> @@ -223,6 +223,11 @@ scif_clk2_pins: scif-clk2 {
> groups = "scif_clk2";
> function = "scif_clk2";
> };
> +
> + tpu_pin: tpu {
> + groups = "tpu_to1";
sh-pfc e6050000.pinctrl: invalid group "tpu_to1" for function "tpu"
This group does not exist. I assume you meant "tpu_to1_a"?
> + function = "tpu";
> + };
> };
>
> &pwm1 {
> @@ -279,3 +284,10 @@ &scif_clk {
> &scif_clk2 {
> clock-frequency = <24000000>;
> };
> +
> +&tpu {
> + pinctrl-0 = <&tpu_pin>;
> + pinctrl-names = "default";
> +
> + status = "okay";
> +};
Both tpu_to1(_a) and tpu_to2(_a) are available on CN3004, but I didn't
see any PWM signals on pins 10 and 12. To be investigated further..
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
