On Sun, Mar 11, 2018 at 6:41 PM, Hauke Mehrtens <hauke@xxxxxxxxxx> wrote:
> From: Mathias Kresin <dev@xxxxxxxxx>
>
> On Danube and AR9 the USB core is connected to the AHB bus, hence we need
> to enable the AHB Bus as well.
>
> Fixes: dea54fbad332 ("phy: Add an USB PHY driver for the Lantiq SoCs using the RCU module")
> Signed-off-by: Mathias Kresin <dev@xxxxxxxxx>
Acked-by: Martin Blumenstingl<martin.blumenstingl@xxxxxxxxxxxxxx>
I don't have a device to test this, but Mathias and Hauke did test
this on real hardware
however, it looks sane since the xRX200 ("vr9") code does the same thing
> ---
> arch/mips/lantiq/xway/sysctrl.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c
> index f11f1dd10493..e0af39b33e28 100644
> --- a/arch/mips/lantiq/xway/sysctrl.c
> +++ b/arch/mips/lantiq/xway/sysctrl.c
> @@ -549,9 +549,9 @@ void __init ltq_soc_init(void)
> clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(),
> ltq_ar9_fpi_hz(), CLOCK_250M);
> clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
> - clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
> + clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
> clkdev_add_pmu("1f203034.usb2-phy", "phy", 1, 0, PMU_USB1_P);
> - clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1);
> + clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1 | PMU_AHBM);
> clkdev_add_pmu("1e180000.etop", "switch", 1, 0, PMU_SWITCH);
> clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
> clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
> @@ -560,7 +560,7 @@ void __init ltq_soc_init(void)
> } else {
> clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
> ltq_danube_fpi_hz(), ltq_danube_pp32_hz());
> - clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
> + clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
> clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
> clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
> clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
> --
> 2.11.0
>
