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Enable USB3 support for Rockchip RK3328 SoC.

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Reviewed by:	manu
This commit is contained in:
ganbold 2020-01-29 09:36:59 +00:00
parent f8a8685f39
commit 14c5035597
1 changed files with 20 additions and 11 deletions
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31
sys/arm64/rockchip/rk_dwc3.c
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@ -54,8 +54,14 @@ __FBSDID("$FreeBSD$");
#include <dev/extres/phy/phy_usb.h>
#include <dev/extres/syscon/syscon.h>
enum rk_dwc3_type {
RK3328 = 1,
RK3399,
};
static struct ofw_compat_data compat_data[] = {
{ "rockchip,rk3399-dwc3", 1 },
{ "rockchip,rk3328-dwc3", RK3328 },
{ "rockchip,rk3399-dwc3", RK3399 },
{ NULL, 0 }
};
@ -69,6 +75,7 @@ struct rk_dwc3_softc {
clk_t clk_usb3;
clk_t clk_grf;
hwreset_t rst_usb3;
enum rk_dwc3_type type;
};
static int
@ -102,6 +109,7 @@ rk_dwc3_attach(device_t dev)
sc = device_get_softc(dev);
sc->dev = dev;
node = ofw_bus_get_node(dev);
sc->type = ofw_bus_search_compatible(dev, compat_data)->ocd_data;
/* Mandatory clocks */
if (clk_get_by_ofw_name(dev, 0, "ref_clk", &sc->clk_ref) != 0) {
@ -134,17 +142,18 @@ rk_dwc3_attach(device_t dev)
clk_get_name(sc->clk_bus));
return (ENXIO);
}
if (clk_get_by_ofw_name(dev, 0, "grf_clk", &sc->clk_grf) != 0) {
device_printf(dev, "Cannot get grf_clk clock\n");
return (ENXIO);
if (sc->type == RK3399) {
if (clk_get_by_ofw_name(dev, 0, "grf_clk", &sc->clk_grf) != 0) {
device_printf(dev, "Cannot get grf_clk clock\n");
return (ENXIO);
}
err = clk_enable(sc->clk_grf);
if (err != 0) {
device_printf(dev, "Could not enable clock %s\n",
clk_get_name(sc->clk_grf));
return (ENXIO);
}
}
err = clk_enable(sc->clk_grf);
if (err != 0) {
device_printf(dev, "Could not enable clock %s\n",
clk_get_name(sc->clk_grf));
return (ENXIO);
}
/* Optional clocks */
if (clk_get_by_ofw_name(dev, 0, "aclk_usb3_rksoc_axi_perf", &sc->clk_axi_perf) == 0) {
err = clk_enable(sc->clk_axi_perf);