diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-uclass.c | 26 | ||||
| -rw-r--r-- | drivers/clk/clk_fixed_rate.c | 2 | ||||
| -rw-r--r-- | drivers/clk/clk_rk3288.c | 39 | ||||
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier-core.c | 15 | ||||
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier-mio.c | 4 | ||||
| -rw-r--r-- | drivers/clk/uniphier/clk-uniphier.h | 4 |
6 files changed, 51 insertions, 39 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 6e4d672..4d78e3f 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -10,6 +10,7 @@ #include <clk.h> #include <clk-uclass.h> #include <dm.h> +#include <dt-structs.h> #include <errno.h> DECLARE_GLOBAL_DATA_PTR; @@ -20,31 +21,22 @@ static inline struct clk_ops *clk_dev_ops(struct udevice *dev) } #if CONFIG_IS_ENABLED(OF_CONTROL) -#ifdef CONFIG_SPL_BUILD -int clk_get_by_index(struct udevice *dev, int index, struct clk *clk) +# if CONFIG_IS_ENABLED(OF_PLATDATA) +int clk_get_by_index_platdata(struct udevice *dev, int index, + struct phandle_2_cell *cells, struct clk *clk) { int ret; - u32 cell[2]; if (index != 0) return -ENOSYS; - assert(clk); ret = uclass_get_device(UCLASS_CLK, 0, &clk->dev); if (ret) return ret; - ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset, "clocks", - cell, 2); - if (ret) - return ret; - clk->id = cell[1]; - return 0; -} + clk->id = cells[0].id; -int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk) -{ - return -ENOSYS; + return 0; } -#else +# else static int clk_of_xlate_default(struct clk *clk, struct fdtdec_phandle_args *args) { @@ -101,6 +93,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct clk *clk) return clk_request(dev_clk, clk); } +# endif /* OF_PLATDATA */ int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk) { @@ -117,8 +110,7 @@ int clk_get_by_name(struct udevice *dev, const char *name, struct clk *clk) return clk_get_by_index(dev, index, clk); } -#endif -#endif +#endif /* OF_CONTROL */ int clk_request(struct udevice *dev, struct clk *clk) { diff --git a/drivers/clk/clk_fixed_rate.c b/drivers/clk/clk_fixed_rate.c index 797e537..9c4d2b3 100644 --- a/drivers/clk/clk_fixed_rate.c +++ b/drivers/clk/clk_fixed_rate.c @@ -30,9 +30,11 @@ const struct clk_ops clk_fixed_rate_ops = { static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev) { +#if !CONFIG_IS_ENABLED(OF_PLATDATA) to_clk_fixed_rate(dev)->fixed_rate = fdtdec_get_int(gd->fdt_blob, dev->of_offset, "clock-frequency", 0); +#endif return 0; } diff --git a/drivers/clk/clk_rk3288.c b/drivers/clk/clk_rk3288.c index 2285453..e00feb0 100644 --- a/drivers/clk/clk_rk3288.c +++ b/drivers/clk/clk_rk3288.c @@ -7,7 +7,9 @@ #include <common.h> #include <clk-uclass.h> #include <dm.h> +#include <dt-structs.h> #include <errno.h> +#include <mapmem.h> #include <syscon.h> #include <asm/io.h> #include <asm/arch/clock.h> @@ -21,6 +23,12 @@ DECLARE_GLOBAL_DATA_PTR; +struct rk3288_clk_plat { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_rockchip_rk3288_cru dtd; +#endif +}; + struct rk3288_clk_priv { struct rk3288_grf *grf; struct rk3288_cru *cru; @@ -39,7 +47,7 @@ enum { OUTPUT_MAX_HZ = 2200U * 1000000, OUTPUT_MIN_HZ = 27500000, FREF_MAX_HZ = 2200U * 1000000, - FREF_MIN_HZ = 269 * 1000000, + FREF_MIN_HZ = 269 * 1000, }; enum { @@ -137,7 +145,7 @@ void *rockchip_get_cru(void) struct udevice *dev; int ret; - ret = uclass_get_device(UCLASS_CLK, 0, &dev); + ret = rockchip_get_clk(&dev); if (ret) return ERR_PTR(ret); @@ -439,7 +447,7 @@ static void rkclk_init(struct rk3288_cru *cru, struct rk3288_grf *grf) } #endif -void rkclk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf) +void rk3288_clk_configure_cpu(struct rk3288_cru *cru, struct rk3288_grf *grf) { /* pll enter slow-mode */ rk_clrsetreg(&cru->cru_mode_con, @@ -783,13 +791,30 @@ static struct clk_ops rk3288_clk_ops = { .set_rate = rk3288_clk_set_rate, }; -static int rk3288_clk_probe(struct udevice *dev) +static int rk3288_clk_ofdata_to_platdata(struct udevice *dev) { +#if !CONFIG_IS_ENABLED(OF_PLATDATA) struct rk3288_clk_priv *priv = dev_get_priv(dev); priv->cru = (struct rk3288_cru *)dev_get_addr(dev); +#endif + + return 0; +} + +static int rk3288_clk_probe(struct udevice *dev) +{ + struct rk3288_clk_priv *priv = dev_get_priv(dev); + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); + if (IS_ERR(priv->grf)) + return PTR_ERR(priv->grf); #ifdef CONFIG_SPL_BUILD +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk3288_clk_plat *plat = dev_get_platdata(dev); + + priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]); +#endif rkclk_init(priv->cru, priv->grf); #endif @@ -813,12 +838,14 @@ static const struct udevice_id rk3288_clk_ids[] = { { } }; -U_BOOT_DRIVER(clk_rk3288) = { - .name = "clk_rk3288", +U_BOOT_DRIVER(rockchip_rk3288_cru) = { + .name = "rockchip_rk3288_cru", .id = UCLASS_CLK, .of_match = rk3288_clk_ids, .priv_auto_alloc_size = sizeof(struct rk3288_clk_priv), + .platdata_auto_alloc_size = sizeof(struct rk3288_clk_plat), .ops = &rk3288_clk_ops, .bind = rk3288_clk_bind, + .ofdata_to_platdata = rk3288_clk_ofdata_to_platdata, .probe = rk3288_clk_probe, }; diff --git a/drivers/clk/uniphier/clk-uniphier-core.c b/drivers/clk/uniphier/clk-uniphier-core.c index 2f5d4d8..a91924e 100644 --- a/drivers/clk/uniphier/clk-uniphier-core.c +++ b/drivers/clk/uniphier/clk-uniphier-core.c @@ -1,11 +1,11 @@ /* - * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> * * SPDX-License-Identifier: GPL-2.0+ */ #include <common.h> -#include <mapmem.h> #include <linux/bitops.h> #include <linux/io.h> #include <linux/sizes.h> @@ -137,7 +137,7 @@ int uniphier_clk_probe(struct udevice *dev) if (addr == FDT_ADDR_T_NONE) return -EINVAL; - priv->base = map_sysmem(addr, SZ_4K); + priv->base = devm_ioremap(dev, addr, SZ_4K); if (!priv->base) return -ENOMEM; @@ -145,12 +145,3 @@ int uniphier_clk_probe(struct udevice *dev) return 0; } - -int uniphier_clk_remove(struct udevice *dev) -{ - struct uniphier_clk_priv *priv = dev_get_priv(dev); - - unmap_sysmem(priv->base); - - return 0; -} diff --git a/drivers/clk/uniphier/clk-uniphier-mio.c b/drivers/clk/uniphier/clk-uniphier-mio.c index 2dd3fc0..2eea5eb 100644 --- a/drivers/clk/uniphier/clk-uniphier-mio.c +++ b/drivers/clk/uniphier/clk-uniphier-mio.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -179,7 +180,6 @@ U_BOOT_DRIVER(uniphier_mio_clk) = { .id = UCLASS_CLK, .of_match = uniphier_mio_clk_match, .probe = uniphier_clk_probe, - .remove = uniphier_clk_remove, .priv_auto_alloc_size = sizeof(struct uniphier_clk_priv), .ops = &uniphier_clk_ops, }; diff --git a/drivers/clk/uniphier/clk-uniphier.h b/drivers/clk/uniphier/clk-uniphier.h index 560b3f8..18aa888 100644 --- a/drivers/clk/uniphier/clk-uniphier.h +++ b/drivers/clk/uniphier/clk-uniphier.h @@ -1,5 +1,6 @@ /* - * Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com> + * Copyright (C) 2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -52,6 +53,5 @@ struct uniphier_clk_priv { extern const struct clk_ops uniphier_clk_ops; int uniphier_clk_probe(struct udevice *dev); -int uniphier_clk_remove(struct udevice *dev); #endif /* __CLK_UNIPHIER_H__ */ |