79 lines
3 KiB
Diff
79 lines
3 KiB
Diff
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From 6c0c0951bbf8c2c216675fe277fba4c42aa0a2bf Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Antti=20Sepp=C3=A4l=C3=A4?= <a.seppala@gmail.com>
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Date: Sat, 27 Feb 2016 12:31:24 +0200
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Subject: [PATCH] usb: dwc2: Add support for Lantiq ARX and XRX SoCs
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add support for Lantiq ARX and XRX SoC families to the dwc2 driver.
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Acked-by: John Youn <johnyoun@synopsys.com>
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Signed-off-by: Antti Seppälä <a.seppala@gmail.com>
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Signed-off-by: Felipe Balbi <balbi@kernel.org>
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---
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Documentation/devicetree/bindings/usb/dwc2.txt | 2 ++
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drivers/usb/dwc2/platform.c | 34 ++++++++++++++++++++++++++
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2 files changed, 36 insertions(+)
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--- a/Documentation/devicetree/bindings/usb/dwc2.txt
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+++ b/Documentation/devicetree/bindings/usb/dwc2.txt
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@@ -7,6 +7,8 @@ Required properties:
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- rockchip,rk3066-usb: The DWC2 USB controller instance in the rk3066 Soc;
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- "rockchip,rk3188-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3188 Soc;
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- "rockchip,rk3288-usb", "rockchip,rk3066-usb", "snps,dwc2": for rk3288 Soc;
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+ - "lantiq,arx100-usb": The DWC2 USB controller instance in Lantiq ARX SoCs;
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+ - "lantiq,xrx200-usb": The DWC2 USB controller instance in Lantiq XRX SoCs;
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- snps,dwc2: A generic DWC2 USB controller with default parameters.
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- reg : Should contain 1 register range (address and length)
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- interrupts : Should contain 1 interrupt
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--- a/drivers/usb/dwc2/platform.c
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+++ b/drivers/usb/dwc2/platform.c
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@@ -116,6 +116,37 @@ static const struct dwc2_core_params par
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.hibernation = -1,
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};
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+static const struct dwc2_core_params params_ltq = {
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+ .otg_cap = 2, /* non-HNP/non-SRP */
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+ .otg_ver = -1,
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+ .dma_enable = -1,
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+ .dma_desc_enable = -1,
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+ .speed = -1,
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+ .enable_dynamic_fifo = -1,
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+ .en_multiple_tx_fifo = -1,
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+ .host_rx_fifo_size = 288, /* 288 DWORDs */
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+ .host_nperio_tx_fifo_size = 128, /* 128 DWORDs */
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+ .host_perio_tx_fifo_size = 96, /* 96 DWORDs */
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+ .max_transfer_size = 65535,
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+ .max_packet_count = 511,
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+ .host_channels = -1,
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+ .phy_type = -1,
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+ .phy_utmi_width = -1,
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+ .phy_ulpi_ddr = -1,
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+ .phy_ulpi_ext_vbus = -1,
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+ .i2c_enable = -1,
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+ .ulpi_fs_ls = -1,
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+ .host_support_fs_ls_low_power = -1,
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+ .host_ls_low_power_phy_clk = -1,
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+ .ts_dline = -1,
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+ .reload_ctl = -1,
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+ .ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
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+ GAHBCFG_HBSTLEN_SHIFT,
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+ .uframe_sched = -1,
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+ .external_id_pin_ctl = -1,
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+ .hibernation = -1,
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+};
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+
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static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg)
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{
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struct platform_device *pdev = to_platform_device(hsotg->dev);
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@@ -310,6 +341,8 @@ static int dwc2_driver_remove(struct pla
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static const struct of_device_id dwc2_of_match_table[] = {
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{ .compatible = "brcm,bcm2835-usb", .data = ¶ms_bcm2835 },
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{ .compatible = "rockchip,rk3066-usb", .data = ¶ms_rk3066 },
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+ { .compatible = "lantiq,arx100-usb", .data = ¶ms_ltq },
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+ { .compatible = "lantiq,xrx200-usb", .data = ¶ms_ltq },
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{ .compatible = "snps,dwc2", .data = NULL },
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{ .compatible = "samsung,s3c6400-hsotg", .data = NULL},
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{},
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