diff options
| author | Patrice Chotard <patrice.chotard@st.com> | 2017-11-15 13:14:51 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-11-29 22:30:50 -0500 |
| commit | 928954fe58e69767b138816ab58e1a7e48f2c685 (patch) | |
| tree | fbb0d14fa098f83ce19f7a17d0b67dae1423d61c /drivers/misc | |
| parent | fe8d4780fffb0fe211fda3a5253f154c1e026939 (diff) | |
| download | u-boot-928954fe58e69767b138816ab58e1a7e48f2c685.tar.gz | |
dm: misc: bind STM32F4/F7 clock from rcc MFD driver
Like STM32H7, now STM32F4/F7 clock drivers are binded by
MFD stm32_rcc driver.
This also allows to add reset support to STM32F4/F7 SoCs family.
As Reset driver is not part of SPL supported drivers, don't bind it
in case of SPL to avoid that stm32_rcc_bind() returns an error.
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Reviewed-by: Vikas Manocha <vikas.manocha@st.com>
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/stm32_rcc.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/drivers/misc/stm32_rcc.c b/drivers/misc/stm32_rcc.c index 32d39719d8..87d9928362 100644 --- a/drivers/misc/stm32_rcc.c +++ b/drivers/misc/stm32_rcc.c @@ -8,31 +8,63 @@ #include <common.h> #include <dm.h> #include <misc.h> +#include <stm32_rcc.h> +#include <dm/device-internal.h> #include <dm/lists.h> +struct stm32_rcc_clk stm32_rcc_clk_f4 = { + .drv_name = "stm32fx_rcc_clock", + .soc = STM32F4, +}; + +struct stm32_rcc_clk stm32_rcc_clk_f7 = { + .drv_name = "stm32fx_rcc_clock", + .soc = STM32F7, +}; + +struct stm32_rcc_clk stm32_rcc_clk_h7 = { + .drv_name = "stm32h7_rcc_clock", +}; + static int stm32_rcc_bind(struct udevice *dev) { - int ret; struct udevice *child; + struct driver *drv; + struct stm32_rcc_clk *rcc_clk = + (struct stm32_rcc_clk *)dev_get_driver_data(dev); + int ret; debug("%s(dev=%p)\n", __func__, dev); - ret = device_bind_driver_to_node(dev, "stm32h7_rcc_clock", - "stm32h7_rcc_clock", - dev_ofnode(dev), &child); + drv = lists_driver_lookup_name(rcc_clk->drv_name); + if (!drv) { + debug("Cannot find driver '%s'\n", rcc_clk->drv_name); + return -ENOENT; + } + + ret = device_bind_with_driver_data(dev, drv, rcc_clk->drv_name, + rcc_clk->soc, + dev_ofnode(dev), &child); + if (ret) return ret; +#ifdef CONFIG_SPL_BUILD + return 0; +#else return device_bind_driver_to_node(dev, "stm32_rcc_reset", "stm32_rcc_reset", dev_ofnode(dev), &child); +#endif } static const struct misc_ops stm32_rcc_ops = { }; static const struct udevice_id stm32_rcc_ids[] = { - {.compatible = "st,stm32h743-rcc"}, + {.compatible = "st,stm32f42xx-rcc", .data = (ulong)&stm32_rcc_clk_f4 }, + {.compatible = "st,stm32f746-rcc", .data = (ulong)&stm32_rcc_clk_f7 }, + {.compatible = "st,stm32h743-rcc", .data = (ulong)&stm32_rcc_clk_h7 }, { } }; |