svn commit: r357252 - head/sys/arm64/rockchip

[Ganbold Tsagaankhuu]

Author: ganbold
Date: Wed Jan 29 09:36:59 2020
New Revision: 357252
URL: https://svnweb.freebsd.org/changeset/base/357252

Log:
  Enable USB3 support for Rockchip RK3328 SoC.
  
  Reviewed by:  manu

Modified:
  head/sys/arm64/rockchip/rk_dwc3.c

Modified: head/sys/arm64/rockchip/rk_dwc3.c
==============================================================================
--- head/sys/arm64/rockchip/rk_dwc3.c   Wed Jan 29 09:33:40 2020        
(r357251)
+++ head/sys/arm64/rockchip/rk_dwc3.c   Wed Jan 29 09:36:59 2020        
(r357252)
@@ -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);
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