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Commit ab065e96 authored by Thierry Reding's avatar Thierry Reding
Browse files

usb: xhci: tegra: Add Tegra210 support 



Parameterize more parts of the driver and add support for Tegra210.

Acked-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent e84fce0f

drivers/usb/host/xhci-tegra.c

+51 −8
Original line number Diff line number Diff line
@@ -159,6 +159,8 @@ struct tegra_xusb_soc { 
			unsigned int count;

		} usb2, ulpi, hsic, usb3;

	} ports;



	bool scale_ss_clock;

};



struct tegra_xusb {
@@ -497,6 +499,7 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra, 


	case MBOX_CMD_INC_SSPI_CLOCK:

	case MBOX_CMD_DEC_SSPI_CLOCK:

		if (tegra->soc->scale_ss_clock) {

			err = tegra_xusb_set_ss_clk(tegra, msg->data * 1000);

			if (err < 0)

				rsp.cmd = MBOX_CMD_NAK;
@@ -504,6 +507,11 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra, 
				rsp.cmd = MBOX_CMD_ACK;



			rsp.data = clk_get_rate(tegra->ss_src_clk) / 1000;

		} else {

			rsp.cmd = MBOX_CMD_ACK;

			rsp.data = msg->data;

		}



		break;



	case MBOX_CMD_SET_BW:
@@ -685,9 +693,11 @@ static int tegra_xusb_clk_enable(struct tegra_xusb *tegra) 
	if (err < 0)

		goto disable_fs_src;



	if (tegra->soc->scale_ss_clock) {

		err = tegra_xusb_set_ss_clk(tegra, TEGRA_XHCI_SS_HIGH_SPEED);

		if (err < 0)

			goto disable_hs_src;

	}



	return 0;
@@ -1235,11 +1245,44 @@ static const struct tegra_xusb_soc tegra124_soc = { 
		.hsic = { .offset = 6, .count = 2, },

		.usb3 = { .offset = 0, .count = 2, },

	},

	.scale_ss_clock = true,

};

MODULE_FIRMWARE("nvidia/tegra124/xusb.bin");



static const char * const tegra210_supply_names[] = {

	"dvddio-pex",

	"hvddio-pex",

	"avdd-usb",

	"avdd-pll-utmip",

	"avdd-pll-uerefe",

	"dvdd-pex-pll",

	"hvdd-pex-pll-e",

};



static const struct tegra_xusb_phy_type tegra210_phy_types[] = {

	{ .name = "usb3", .num = 4, },

	{ .name = "usb2", .num = 4, },

	{ .name = "hsic", .num = 1, },

};



static const struct tegra_xusb_soc tegra210_soc = {

	.firmware = "nvidia/tegra210/xusb.bin",

	.supply_names = tegra210_supply_names,

	.num_supplies = ARRAY_SIZE(tegra210_supply_names),

	.phy_types = tegra210_phy_types,

	.num_types = ARRAY_SIZE(tegra210_phy_types),

	.ports = {

		.usb2 = { .offset = 4, .count = 4, },

		.hsic = { .offset = 8, .count = 1, },

		.usb3 = { .offset = 0, .count = 4, },

	},

	.scale_ss_clock = false,

};

MODULE_FIRMWARE("nvidia/tegra210/xusb.bin");



static const struct of_device_id tegra_xusb_of_match[] = {

	{ .compatible = "nvidia,tegra124-xusb", .data = &tegra124_soc },

	{ .compatible = "nvidia,tegra210-xusb", .data = &tegra210_soc },

	{ },

};

MODULE_DEVICE_TABLE(of, tegra_xusb_of_match);