RE: [PATCH 7/8] usb: dwc2: Add Amlogic G12A DWC2 Params

Minas Harutyunyan
2019-04-09T09:31:37Z

> This patchs sets the params for the DWC2 Controller found in the Amlogic G12A SoC family.
>
> It mainly sets the settings reported incorrect by the driver, leaving the remaining detected automatically by the driver and provided by the DT node.
>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

Acked-by: Minas Harutyunyan <hminas@synopsys.com>

> ---
> drivers/usb/dwc2/params.c | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 24ff5f21cb25..442113246cba 100644
> --- a/drivers/usb/dwc2/params.c
> +++ b/drivers/usb/dwc2/params.c
> @@ -121,6 +121,16 @@ static void dwc2_set_amlogic_params(struct dwc2_hsotg *hsotg)
> p->power_down = DWC2_POWER_DOWN_PARAM_NONE; }
>
> +static void dwc2_set_amlogic_g12a_params(struct dwc2_hsotg *hsotg) {
> + struct dwc2_core_params *p = &hsotg->params;
> +
> + p->lpm = false;
> + p->lpm_clock_gating = false;
> + p->besl = false;
> + p->hird_threshold_en = false;
> +}
> +
> static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg) {
> struct dwc2_core_params *p = &hsotg->params; @@ -167,6 +177,8 @@ const struct of_device_id dwc2_of_match_table[] = {
> .data = dwc2_set_amlogic_params },
> { .compatible = "amlogic,meson-gxbb-usb",
> .data = dwc2_set_amlogic_params },
> + { .compatible = "amlogic,meson-g12a-usb",
> + .data = dwc2_set_amlogic_g12a_params },
> { .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params },
> { .compatible = "st,stm32f4x9-fsotg",
> .data = dwc2_set_stm32f4x9_fsotg_params },
> --
> 2.20.1
>