From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Youn Subject: Re: [PATCH 2/7] usb: dwc2: add support for Meson8b and GXBB SoCs Date: Wed, 7 Sep 2016 14:04:15 -0700 Message-ID: <0b42cbc0-1d69-bcfd-1a82-9bbb6242cd08@synopsys.com> References: <20160904213152.25837-1-martin.blumenstingl@googlemail.com> <20160904213152.25837-3-martin.blumenstingl@googlemail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20160904213152.25837-3-martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org> Sender: linux-usb-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Martin Blumenstingl , "linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "linux-amlogic-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "jbrunet-rdvid1DuHRBWk0Htik3J/w@public.gmane.org" , "John.Youn-HKixBCOQz3hWk0Htik3J/w@public.gmane.org" , "kishon-l0cyMroinI0@public.gmane.org" , "khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org" , "carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org" Cc: "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org" , "mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org" , "will.deacon-5wv7dgnIgG8@public.gmane.org" , "catalin.marinas-5wv7dgnIgG8@public.gmane.org" , "gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org" , "mark.rutland-5wv7dgnIgG8@public.gmane.org" , "robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" List-Id: devicetree@vger.kernel.org On 9/4/2016 2:32 PM, Martin Blumenstingl wrote: > From: Jerome Brunet > > Add compatible strings for amlogic Meson8b and GXBB SoCs with the > corresponding configuration parameters. > > Signed-off-by: Martin Blumenstingl > Signed-off-by: Jerome Brunet > --- > Documentation/devicetree/bindings/usb/dwc2.txt | 2 ++ > drivers/usb/dwc2/platform.c | 34 ++++++++++++++++++++++++++ > 2 files changed, 36 insertions(+) > > diff --git a/Documentation/devicetree/bindings/usb/dwc2.txt b/Documentation/devicetree/bindings/usb/dwc2.txt > index 20a68bf..2c30a54 100644 > --- a/Documentation/devicetree/bindings/usb/dwc2.txt > +++ b/Documentation/devicetree/bindings/usb/dwc2.txt > @@ -10,6 +10,8 @@ Required properties: > - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc; > - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs; > - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs; > + - "amlogic,meson8b-usb": The DWC2 USB controller instance in Amlogic Meson8b SoCs; > + - "amlogic,meson-gxbb-usb": The DWC2 USB controller instance in Amlogic S905 SoCs; > - snps,dwc2: A generic DWC2 USB controller with default parameters. > - reg : Should contain 1 register range (address and length) > - interrupts : Should contain 1 interrupt > diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c > index fc6f525..8f7b34c 100644 > --- a/drivers/usb/dwc2/platform.c > +++ b/drivers/usb/dwc2/platform.c > @@ -181,6 +181,38 @@ static const struct dwc2_core_params params_ltq = { > .hibernation = -1, > }; > > +static const struct dwc2_core_params params_amlogic = { > + .otg_cap = DWC2_CAP_PARAM_NO_HNP_SRP_CAPABLE, > + .otg_ver = -1, > + .dma_enable = 1, > + .dma_desc_enable = 0, > + .dma_desc_fs_enable = 0, > + .speed = DWC2_SPEED_PARAM_HIGH, > + .enable_dynamic_fifo = 1, > + .en_multiple_tx_fifo = -1, > + .host_rx_fifo_size = 512, > + .host_nperio_tx_fifo_size = 500, > + .host_perio_tx_fifo_size = 500, > + .max_transfer_size = -1, > + .max_packet_count = -1, > + .host_channels = 16, > + .phy_type = DWC2_PHY_TYPE_PARAM_UTMI, > + .phy_utmi_width = -1, > + .phy_ulpi_ddr = -1, > + .phy_ulpi_ext_vbus = -1, > + .i2c_enable = -1, > + .ulpi_fs_ls = -1, > + .host_support_fs_ls_low_power = -1, > + .host_ls_low_power_phy_clk = -1, > + .ts_dline = -1, > + .reload_ctl = 1, > + .ahbcfg = GAHBCFG_HBSTLEN_INCR8 << > + GAHBCFG_HBSTLEN_SHIFT, > + .uframe_sched = 0, > + .external_id_pin_ctl = -1, > + .hibernation = -1, > +}; > + > /* > * Check the dr_mode against the module configuration and hardware > * capabilities. > @@ -464,6 +496,8 @@ static const struct of_device_id dwc2_of_match_table[] = { > { .compatible = "lantiq,xrx200-usb", .data = ¶ms_ltq }, > { .compatible = "snps,dwc2", .data = NULL }, > { .compatible = "samsung,s3c6400-hsotg", .data = NULL}, > + { .compatible = "amlogic,meson8b-usb", .data = ¶ms_amlogic }, > + { .compatible = "amlogic,meson-gxbb-usb", .data = ¶ms_amlogic }, > {}, > }; > MODULE_DEVICE_TABLE(of, dwc2_of_match_table); > Hi, I have a patch series in the works that deprecates the usage of these static parameters in favor of devicetree properties. I'll try to push it out soon. I would rather not see any more static params structures in the driver so hopefully we can make it work for your platform. Regards, John -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html