lantiq: update USB controller initialization
[openwrt/staging/lynxis/omap.git] / target / linux / lantiq / patches-4.4 / 0060-usb-dwc2-Add-support-for-Lantiq-ARX-and-XRX-SoCs.patch
1 From 6c0c0951bbf8c2c216675fe277fba4c42aa0a2bf Mon Sep 17 00:00:00 2001
2 From: =?UTF-8?q?Antti=20Sepp=C3=A4l=C3=A4?= <a.seppala@gmail.com>
3 Date: Sat, 27 Feb 2016 12:31:24 +0200
4 Subject: [PATCH] usb: dwc2: Add support for Lantiq ARX and XRX SoCs
5 MIME-Version: 1.0
6 Content-Type: text/plain; charset=UTF-8
7 Content-Transfer-Encoding: 8bit
8
9 Add support for Lantiq ARX and XRX SoC families to the dwc2 driver.
10
11 Acked-by: John Youn <johnyoun@synopsys.com>
12 Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
13 Signed-off-by: Felipe Balbi <balbi@kernel.org>
14 ---
15 Documentation/devicetree/bindings/usb/dwc2.txt | 2 ++
16 drivers/usb/dwc2/platform.c | 34 ++++++++++++++++++++++++++
17 2 files changed, 36 insertions(+)
18
19 --- a/Documentation/devicetree/bindings/usb/dwc2.txt
20 +++ b/Documentation/devicetree/bindings/usb/dwc2.txt
21 @@ -7,6 +7,8 @@ Required properties:
22 - rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
23 - "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
24 - "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
25 + - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
26 + - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
27 - snps,dwc2: A generic DWC2 USB controller with default parameters.
28 - reg : Should contain 1 register range (address and length)
29 - interrupts : Should contain 1 interrupt
30 --- a/drivers/usb/dwc2/platform.c
31 +++ b/drivers/usb/dwc2/platform.c
32 @@ -116,6 +116,37 @@ static const struct dwc2_core_params par
33 .hibernation = -1,
34 };
35
36 +static const struct dwc2_core_params params_ltq = {
37 + .otg_cap = 2, /* non-HNP/non-SRP */
38 + .otg_ver = -1,
39 + .dma_enable = -1,
40 + .dma_desc_enable = -1,
41 + .speed = -1,
42 + .enable_dynamic_fifo = -1,
43 + .en_multiple_tx_fifo = -1,
44 + .host_rx_fifo_size = 288, /* 288 DWORDs */
45 + .host_nperio_tx_fifo_size = 128, /* 128 DWORDs */
46 + .host_perio_tx_fifo_size = 96, /* 96 DWORDs */
47 + .max_transfer_size = 65535,
48 + .max_packet_count = 511,
49 + .host_channels = -1,
50 + .phy_type = -1,
51 + .phy_utmi_width = -1,
52 + .phy_ulpi_ddr = -1,
53 + .phy_ulpi_ext_vbus = -1,
54 + .i2c_enable = -1,
55 + .ulpi_fs_ls = -1,
56 + .host_support_fs_ls_low_power = -1,
57 + .host_ls_low_power_phy_clk = -1,
58 + .ts_dline = -1,
59 + .reload_ctl = -1,
60 + .ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
61 + GAHBCFG_HBSTLEN_SHIFT,
62 + .uframe_sched = -1,
63 + .external_id_pin_ctl = -1,
64 + .hibernation = -1,
65 +};
66 +
67 static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg)
68 {
69 struct platform_device *pdev = to_platform_device(hsotg->dev);
70 @@ -310,6 +341,8 @@ static int dwc2_driver_remove(struct pla
71 static const struct of_device_id dwc2_of_match_table[] = {
72 { .compatible = "brcm,bcm2835-usb", .data = &params_bcm2835 },
73 { .compatible = "rockchip,rk3066-usb", .data = &params_rk3066 },
74 + { .compatible = "lantiq,arx100-usb", .data = &params_ltq },
75 + { .compatible = "lantiq,xrx200-usb", .data = &params_ltq },
76 { .compatible = "snps,dwc2", .data = NULL },
77 { .compatible = "samsung,s3c6400-hsotg", .data = NULL},
78 {},