diff options
| author | Simon Glass <sjg@chromium.org> | 2017-07-25 08:29:59 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2017-07-28 12:02:47 -0600 |
| commit | be7890927a0f9fd40e697ed857cba8c2de1d178e (patch) | |
| tree | 86cb09017932d6313c75d8678d66b4f2a05d099f /arch/arm/mach-tegra/tegra124 | |
| parent | 66de3eee7923d3eb4101ff2565afa48f4376a939 (diff) | |
dm: tegra: Convert USB setup to livetree
Adjust this code to support a live device tree. This should be implemented
as a PHY driver but that is left as an exercise for the maintainer.
Signed-off-by: Simon Glass <sjg@chromium.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/tegra124')
| -rw-r--r-- | arch/arm/mach-tegra/tegra124/xusb-padctl.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/arch/arm/mach-tegra/tegra124/xusb-padctl.c b/arch/arm/mach-tegra/tegra124/xusb-padctl.c index 76af924b94..d326a6ae57 100644 --- a/arch/arm/mach-tegra/tegra124/xusb-padctl.c +++ b/arch/arm/mach-tegra/tegra124/xusb-padctl.c @@ -8,6 +8,8 @@ #include <common.h> #include <errno.h> +#include <dm/of_access.h> +#include <dm/ofnode.h> #include "../xusb-padctl-common.h" @@ -317,13 +319,33 @@ static const struct tegra_xusb_padctl_soc tegra124_socdata = { .num_phys = ARRAY_SIZE(tegra124_phys), }; -void tegra_xusb_padctl_init(const void *fdt) +void tegra_xusb_padctl_init(void) { - int count, nodes[1]; + ofnode nodes[1]; + int count = 0; + int ret; + + debug("%s: start\n", __func__); + if (of_live_active()) { + struct device_node *np = of_find_compatible_node(NULL, NULL, + "nvidia,tegra124-xusb-padctl"); + + debug("np=%p\n", np); + if (np) { + nodes[0] = np_to_ofnode(np); + count = 1; + } + } else { + int node_offsets[1]; + int i; + + count = fdtdec_find_aliases_for_id(gd->fdt_blob, "padctl", + COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL, + node_offsets, ARRAY_SIZE(node_offsets)); + for (i = 0; i < count; i++) + nodes[i] = offset_to_ofnode(node_offsets[i]); + } - count = fdtdec_find_aliases_for_id(fdt, "padctl", - COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL, - nodes, ARRAY_SIZE(nodes)); - if (tegra_xusb_process_nodes(fdt, nodes, count, &tegra124_socdata)) - return; + ret = tegra_xusb_process_nodes(nodes, count, &tegra124_socdata); + debug("%s: done, ret=%d\n", __func__, ret); } |