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| author | Simon Glass <sjg@chromium.org> | 2016-01-21 19:44:00 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-01-21 20:42:35 -0700 |
| commit | a4b10c088c4f6ef2e2bba33e8cfea369bcbbce44 (patch) | |
| tree | 0284610ead16629f6cef55ff5d2cb1619f32e111 | |
| parent | 364809de31a06da45d9b6f84cffbdb34bcfddc7a (diff) | |
| download | u-boot-imx-a4b10c088c4f6ef2e2bba33e8cfea369bcbbce44.zip u-boot-imx-a4b10c088c4f6ef2e2bba33e8cfea369bcbbce44.tar.gz u-boot-imx-a4b10c088c4f6ef2e2bba33e8cfea369bcbbce44.tar.bz2 | |
dm: clk: Add a simple version of clk_get_by_index()
This function adds quite a bit of code to SPL and we probably don't need
all the features in SPL. Add a simple version (for SPL only) to save space.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/clk/clk-uclass.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c index 8a4c568..b483c1e 100644 --- a/drivers/clk/clk-uclass.c +++ b/drivers/clk/clk-uclass.c @@ -67,8 +67,23 @@ ulong clk_set_periph_rate(struct udevice *dev, int periph, ulong rate) #if CONFIG_IS_ENABLED(OF_CONTROL) int clk_get_by_index(struct udevice *dev, int index, struct udevice **clk_devp) { - struct fdtdec_phandle_args args; int ret; +#ifdef CONFIG_SPL_BUILD + u32 cell[2]; + + if (index != 0) + return -ENOSYS; + assert(*clk_devp); + ret = uclass_get_device(UCLASS_CLK, 0, clk_devp); + if (ret) + return ret; + ret = fdtdec_get_int_array(gd->fdt_blob, dev->of_offset, "clocks", + cell, 2); + if (ret) + return ret; + return cell[1]; +#else + struct fdtdec_phandle_args args; assert(*clk_devp); ret = fdtdec_parse_phandle_with_args(gd->fdt_blob, dev->of_offset, @@ -87,6 +102,7 @@ int clk_get_by_index(struct udevice *dev, int index, struct udevice **clk_devp) return ret; } return args.args_count > 0 ? args.args[0] : 0; +#endif } #endif |