diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/clk/altera/clk-arria10.c | 3 | ||||
| -rw-r--r-- | drivers/clk/at91/pmc.c | 2 | ||||
| -rw-r--r-- | drivers/core/ofnode.c | 21 | ||||
| -rw-r--r-- | drivers/core/syscon-uclass.c | 83 | ||||
| -rw-r--r-- | drivers/core/util.c | 40 | ||||
| -rw-r--r-- | drivers/pinctrl/pinctrl-uclass.c | 36 | ||||
| -rw-r--r-- | drivers/sysreset/sysreset_syscon.c | 15 |
7 files changed, 92 insertions, 108 deletions
diff --git a/drivers/clk/altera/clk-arria10.c b/drivers/clk/altera/clk-arria10.c index 612a171..179869d 100644 --- a/drivers/clk/altera/clk-arria10.c +++ b/drivers/clk/altera/clk-arria10.c @@ -254,7 +254,8 @@ static int socfpga_a10_clk_bind(struct udevice *dev) fdt_node_check_compatible(fdt, offset, "fixed-clock")) continue; - if (pre_reloc_only && !dm_fdt_pre_reloc(fdt, offset)) + if (pre_reloc_only && + !dm_ofnode_pre_reloc(offset_to_ofnode(offset))) continue; ret = device_bind_driver_to_node(dev, "clk-a10", name, diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 7cfbabc..6b55ec5 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -61,7 +61,7 @@ int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name) offset > 0; offset = fdt_next_subnode(fdt, offset)) { if (pre_reloc_only && - !dm_fdt_pre_reloc(fdt, offset)) + !dm_ofnode_pre_reloc(offset_to_ofnode(offset))) continue; /* * If this node has "compatible" property, this is not diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c index 0e584c1..785f5c3 100644 --- a/drivers/core/ofnode.c +++ b/drivers/core/ofnode.c @@ -254,14 +254,13 @@ int ofnode_read_size(ofnode node, const char *propname) fdt_addr_t ofnode_get_addr_index(ofnode node, int index) { int na, ns; - fdt_size_t size; if (ofnode_is_np(node)) { const __be32 *prop_val; uint flags; prop_val = of_get_address(ofnode_to_np(node), index, - (u64 *)&size, &flags); + NULL, &flags); if (!prop_val) return FDT_ADDR_T_NONE; @@ -278,7 +277,7 @@ fdt_addr_t ofnode_get_addr_index(ofnode node, int index) ns = ofnode_read_simple_size_cells(ofnode_get_parent(node)); return fdtdec_get_addr_size_fixed(gd->fdt_blob, ofnode_to_offset(node), "reg", - index, na, ns, &size, true); + index, na, ns, NULL, true); } return FDT_ADDR_T_NONE; @@ -700,18 +699,18 @@ int ofnode_read_simple_size_cells(ofnode node) bool ofnode_pre_reloc(ofnode node) { +#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD) + /* for SPL and TPL the remaining nodes after the fdtgrep 1st pass + * had property dm-pre-reloc or u-boot,dm-spl/tpl. + * They are removed in final dtb (fdtgrep 2nd pass) + */ + return true; +#else if (ofnode_read_bool(node, "u-boot,dm-pre-reloc")) return true; if (ofnode_read_bool(node, "u-boot,dm-pre-proper")) return true; -#ifdef CONFIG_TPL_BUILD - if (ofnode_read_bool(node, "u-boot,dm-tpl")) - return true; -#elif defined(CONFIG_SPL_BUILD) - if (ofnode_read_bool(node, "u-boot,dm-spl")) - return true; -#else /* * In regular builds individual spl and tpl handling both * count as handled pre-relocation for later second init. @@ -719,9 +718,9 @@ bool ofnode_pre_reloc(ofnode node) if (ofnode_read_bool(node, "u-boot,dm-spl") || ofnode_read_bool(node, "u-boot,dm-tpl")) return true; -#endif return false; +#endif } int ofnode_read_resource(ofnode node, uint index, struct resource *res) diff --git a/drivers/core/syscon-uclass.c b/drivers/core/syscon-uclass.c index afac6d6..5bb38e3 100644 --- a/drivers/core/syscon-uclass.c +++ b/drivers/core/syscon-uclass.c @@ -57,18 +57,64 @@ static int syscon_pre_probe(struct udevice *dev) #endif } +static int syscon_probe_by_ofnode(ofnode node, struct udevice **devp) +{ + struct udevice *dev, *parent; + int ret; + + /* found node with "syscon" compatible, not bounded to SYSCON UCLASS */ + if (!ofnode_device_is_compatible(node, "syscon")) { + dev_dbg(dev, "invalid compatible for syscon device\n"); + return -EINVAL; + } + + /* bound to driver with same ofnode or to root if not found */ + if (device_find_global_by_ofnode(node, &parent)) + parent = dm_root(); + + /* force bound to syscon class */ + ret = device_bind_driver_to_node(parent, "syscon", + ofnode_get_name(node), + node, &dev); + if (ret) { + dev_dbg(dev, "unable to bound syscon device\n"); + return ret; + } + ret = device_probe(dev); + if (ret) { + dev_dbg(dev, "unable to probe syscon device\n"); + return ret; + } + + *devp = dev; + return 0; +} + struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev, const char *name) { struct udevice *syscon; struct regmap *r; + u32 phandle; + ofnode node; int err; err = uclass_get_device_by_phandle(UCLASS_SYSCON, dev, name, &syscon); if (err) { - dev_dbg(dev, "unable to find syscon device\n"); - return ERR_PTR(err); + /* found node with "syscon" compatible, not bounded to SYSCON */ + err = ofnode_read_u32(dev_ofnode(dev), name, &phandle); + if (err) + return ERR_PTR(err); + + node = ofnode_get_by_phandle(phandle); + if (!ofnode_valid(node)) { + dev_dbg(dev, "unable to find syscon device\n"); + return ERR_PTR(-EINVAL); + } + err = syscon_probe_by_ofnode(node, &syscon); + if (err) + return ERR_PTR(-ENODEV); } r = syscon_get_regmap(syscon); @@ -152,29 +198,18 @@ U_BOOT_DRIVER(generic_syscon) = { */ struct regmap *syscon_node_to_regmap(ofnode node) { - struct udevice *dev, *parent; - int ret; - - if (!uclass_get_device_by_ofnode(UCLASS_SYSCON, node, &dev)) - return syscon_get_regmap(dev); - - if (!ofnode_device_is_compatible(node, "syscon")) - return ERR_PTR(-EINVAL); + struct udevice *dev; + struct regmap *r; - /* bound to driver with same ofnode or to root if not found */ - if (device_find_global_by_ofnode(node, &parent)) - parent = dm_root(); + if (uclass_get_device_by_ofnode(UCLASS_SYSCON, node, &dev)) + if (syscon_probe_by_ofnode(node, &dev)) + return ERR_PTR(-ENODEV); - /* force bound to syscon class */ - ret = device_bind_driver_to_node(parent, "syscon", - ofnode_get_name(node), - node, &dev); - if (ret) - return ERR_PTR(ret); - - ret = device_probe(dev); - if (ret) - return ERR_PTR(ret); + r = syscon_get_regmap(dev); + if (!r) { + dev_dbg(dev, "unable to find regmap\n"); + return ERR_PTR(-ENODEV); + } - return syscon_get_regmap(dev); + return r; } diff --git a/drivers/core/util.c b/drivers/core/util.c index 27a6848..96e47dc 100644 --- a/drivers/core/util.c +++ b/drivers/core/util.c @@ -31,42 +31,18 @@ int list_count_items(struct list_head *head) return count; } -bool dm_fdt_pre_reloc(const void *blob, int offset) -{ - if (fdt_getprop(blob, offset, "u-boot,dm-pre-reloc", NULL)) - return true; - -#ifdef CONFIG_TPL_BUILD - if (fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL)) - return true; -#elif defined(CONFIG_SPL_BUILD) - if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL)) - return true; -#else - /* - * In regular builds individual spl and tpl handling both - * count as handled pre-relocation for later second init. - */ - if (fdt_getprop(blob, offset, "u-boot,dm-spl", NULL) || - fdt_getprop(blob, offset, "u-boot,dm-tpl", NULL)) - return true; -#endif - - return false; -} - bool dm_ofnode_pre_reloc(ofnode node) { +#if defined(CONFIG_SPL_BUILD) || defined(CONFIG_TPL_BUILD) + /* for SPL and TPL the remaining nodes after the fdtgrep 1st pass + * had property dm-pre-reloc or u-boot,dm-spl/tpl. + * They are removed in final dtb (fdtgrep 2nd pass) + */ + return true; +#else if (ofnode_read_bool(node, "u-boot,dm-pre-reloc")) return true; -#ifdef CONFIG_TPL_BUILD - if (ofnode_read_bool(node, "u-boot,dm-tpl")) - return true; -#elif defined(CONFIG_SPL_BUILD) - if (ofnode_read_bool(node, "u-boot,dm-spl")) - return true; -#else /* * In regular builds individual spl and tpl handling both * count as handled pre-relocation for later second init. @@ -74,7 +50,7 @@ bool dm_ofnode_pre_reloc(ofnode node) if (ofnode_read_bool(node, "u-boot,dm-spl") || ofnode_read_bool(node, "u-boot,dm-tpl")) return true; -#endif return false; +#endif } diff --git a/drivers/pinctrl/pinctrl-uclass.c b/drivers/pinctrl/pinctrl-uclass.c index 0e3260a..0e6c559 100644 --- a/drivers/pinctrl/pinctrl-uclass.c +++ b/drivers/pinctrl/pinctrl-uclass.c @@ -27,28 +27,6 @@ int pinctrl_decode_pin_config(const void *blob, int node) return flags; } -/* - * TODO: this function is temporary for v2019.01. - * It should be renamed to pinctrl_decode_pin_config(), - * the original pinctrl_decode_pin_config() function should - * be removed and all callers of the original function should - * be migrated to use the new one. - */ -int pinctrl_decode_pin_config_dm(struct udevice *dev) -{ - int pinconfig = 0; - - if (dev->uclass->uc_drv->id != UCLASS_PINCONFIG) - return -EINVAL; - - if (dev_read_bool(dev, "bias-pull-up")) - pinconfig |= 1 << PIN_CONFIG_BIAS_PULL_UP; - else if (dev_read_bool(dev, "bias-pull-down")) - pinconfig |= 1 << PIN_CONFIG_BIAS_PULL_DOWN; - - return pinconfig; -} - #if CONFIG_IS_ENABLED(PINCTRL_FULL) /** * pinctrl_config_one() - apply pinctrl settings for a single node @@ -149,6 +127,9 @@ static int pinconfig_post_bind(struct udevice *dev) ofnode_get_property(node, "compatible", &ret); if (ret >= 0) continue; + /* If this node has "gpio-controller" property, skip */ + if (ofnode_read_bool(node, "gpio-controller")) + continue; if (ret != -FDT_ERR_NOTFOUND) return ret; @@ -201,11 +182,14 @@ static int pinctrl_select_state_simple(struct udevice *dev) int ret; /* - * For simplicity, assume the first device of PINCTRL uclass - * is the correct one. This is most likely OK as there is - * usually only one pinctrl device on the system. + * For most system, there is only one pincontroller device. But in + * case of multiple pincontroller devices, probe the one with sequence + * number 0 (defined by alias) to avoid race condition. */ - ret = uclass_get_device(UCLASS_PINCTRL, 0, &pctldev); + ret = uclass_get_device_by_seq(UCLASS_PINCTRL, 0, &pctldev); + if (ret) + /* if not found, get the first one */ + ret = uclass_get_device(UCLASS_PINCTRL, 0, &pctldev); if (ret) return ret; diff --git a/drivers/sysreset/sysreset_syscon.c b/drivers/sysreset/sysreset_syscon.c index 3450640..3fb39b9 100644 --- a/drivers/sysreset/sysreset_syscon.c +++ b/drivers/sysreset/sysreset_syscon.c @@ -36,20 +36,9 @@ static struct sysreset_ops syscon_reboot_ops = { int syscon_reboot_probe(struct udevice *dev) { struct syscon_reboot_priv *priv = dev_get_priv(dev); - int err; - u32 phandle; - ofnode node; - err = ofnode_read_u32(dev_ofnode(dev), "regmap", &phandle); - if (err) - return err; - - node = ofnode_get_by_phandle(phandle); - if (!ofnode_valid(node)) - return -EINVAL; - - priv->regmap = syscon_node_to_regmap(node); - if (!priv->regmap) { + priv->regmap = syscon_regmap_lookup_by_phandle(dev, "regmap"); + if (IS_ERR(priv->regmap)) { pr_err("unable to find regmap\n"); return -ENODEV; } |