diff options
author | Simon Glass <sjg@chromium.org> | 2017-07-25 17:29:59 +0300 |
---|---|---|
committer | Simon Glass <sjg@chromium.org> | 2017-07-28 21:02:47 +0300 |
commit | be7890927a0f9fd40e697ed857cba8c2de1d178e (patch) | |
tree | 86cb09017932d6313c75d8678d66b4f2a05d099f /arch/arm/mach-tegra/xusb-padctl-common.c | |
parent | 66de3eee7923d3eb4101ff2565afa48f4376a939 (diff) | |
download | u-boot-be7890927a0f9fd40e697ed857cba8c2de1d178e.tar.xz |
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/xusb-padctl-common.c')
-rw-r--r-- | arch/arm/mach-tegra/xusb-padctl-common.c | 60 |
1 files changed, 35 insertions, 25 deletions
diff --git a/arch/arm/mach-tegra/xusb-padctl-common.c b/arch/arm/mach-tegra/xusb-padctl-common.c index 43f5bb7da6..37b5b8fb5b 100644 --- a/arch/arm/mach-tegra/xusb-padctl-common.c +++ b/arch/arm/mach-tegra/xusb-padctl-common.c @@ -75,14 +75,14 @@ tegra_xusb_padctl_find_lane(struct tegra_xusb_padctl *padctl, const char *name) static int tegra_xusb_padctl_group_parse_dt(struct tegra_xusb_padctl *padctl, struct tegra_xusb_padctl_group *group, - const void *fdt, int node) + ofnode node) { unsigned int i; - int len; + int len, ret; - group->name = fdt_get_name(fdt, node, &len); + group->name = ofnode_get_name(node); - len = fdt_stringlist_count(fdt, node, "nvidia,lanes"); + len = ofnode_read_string_count(node, "nvidia,lanes"); if (len < 0) { error("failed to parse \"nvidia,lanes\" property"); return -EINVAL; @@ -91,9 +91,9 @@ tegra_xusb_padctl_group_parse_dt(struct tegra_xusb_padctl *padctl, group->num_pins = len; for (i = 0; i < group->num_pins; i++) { - group->pins[i] = fdt_stringlist_get(fdt, node, "nvidia,lanes", - i, NULL); - if (!group->pins[i]) { + ret = ofnode_read_string_index(node, "nvidia,lanes", i, + &group->pins[i]); + if (ret) { error("failed to read string from \"nvidia,lanes\" property"); return -EINVAL; } @@ -101,13 +101,14 @@ tegra_xusb_padctl_group_parse_dt(struct tegra_xusb_padctl *padctl, group->num_pins = len; - group->func = fdt_stringlist_get(fdt, node, "nvidia,function", 0, NULL); - if (!group->func) { + ret = ofnode_read_string_index(node, "nvidia,function", 0, + &group->func); + if (ret) { error("failed to parse \"nvidia,func\" property"); return -EINVAL; } - group->iddq = fdtdec_get_int(fdt, node, "nvidia,iddq", -1); + group->iddq = ofnode_read_u32_default(node, "nvidia,iddq", -1); return 0; } @@ -217,20 +218,21 @@ tegra_xusb_padctl_config_apply(struct tegra_xusb_padctl *padctl, static int tegra_xusb_padctl_config_parse_dt(struct tegra_xusb_padctl *padctl, struct tegra_xusb_padctl_config *config, - const void *fdt, int node) + ofnode node) { - int subnode; + ofnode subnode; - config->name = fdt_get_name(fdt, node, NULL); + config->name = ofnode_get_name(node); - fdt_for_each_subnode(subnode, fdt, node) { + for (subnode = ofnode_first_subnode(node); + ofnode_valid(subnode); + subnode = ofnode_next_subnode(subnode)) { struct tegra_xusb_padctl_group *group; int err; group = &config->groups[config->num_groups]; - err = tegra_xusb_padctl_group_parse_dt(padctl, group, fdt, - subnode); + err = tegra_xusb_padctl_group_parse_dt(padctl, group, subnode); if (err < 0) { error("failed to parse group %s", group->name); return err; @@ -243,20 +245,24 @@ tegra_xusb_padctl_config_parse_dt(struct tegra_xusb_padctl *padctl, } static int tegra_xusb_padctl_parse_dt(struct tegra_xusb_padctl *padctl, - const void *fdt, int node) + ofnode node) { - int subnode, err; + ofnode subnode; + int err; - err = fdt_get_resource(fdt, node, "reg", 0, &padctl->regs); + err = ofnode_read_resource(node, 0, &padctl->regs); if (err < 0) { error("registers not found"); return err; } - fdt_for_each_subnode(subnode, fdt, node) { + for (subnode = ofnode_first_subnode(node); + ofnode_valid(subnode); + subnode = ofnode_next_subnode(subnode)) { struct tegra_xusb_padctl_config *config = &padctl->config; - err = tegra_xusb_padctl_config_parse_dt(padctl, config, fdt, + debug("%s: subnode=%s\n", __func__, ofnode_get_name(subnode)); + err = tegra_xusb_padctl_config_parse_dt(padctl, config, subnode); if (err < 0) { error("failed to parse entry %s: %d", @@ -264,25 +270,28 @@ static int tegra_xusb_padctl_parse_dt(struct tegra_xusb_padctl *padctl, continue; } } + debug("%s: done\n", __func__); return 0; } struct tegra_xusb_padctl padctl; -int tegra_xusb_process_nodes(const void *fdt, int nodes[], unsigned int count, - const struct tegra_xusb_padctl_soc *socdata) +int tegra_xusb_process_nodes(ofnode nodes[], unsigned int count, + const struct tegra_xusb_padctl_soc *socdata) { unsigned int i; int err; + debug("%s: count=%d\n", __func__, count); for (i = 0; i < count; i++) { - if (!fdtdec_get_is_enabled(fdt, nodes[i])) + debug("%s: i=%d, node=%p\n", __func__, i, nodes[i].np); + if (!ofnode_is_available(nodes[i])) continue; padctl.socdata = socdata; - err = tegra_xusb_padctl_parse_dt(&padctl, fdt, nodes[i]); + err = tegra_xusb_padctl_parse_dt(&padctl, nodes[i]); if (err < 0) { error("failed to parse DT: %d", err); continue; @@ -300,6 +309,7 @@ int tegra_xusb_process_nodes(const void *fdt, int nodes[], unsigned int count, /* only a single instance is supported */ break; } + debug("%s: done\n", __func__); return 0; } |