diff options
| author | Faiz Abbas <faiz_abbas@ti.com> | 2020-09-14 09:41:16 +0300 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-09-15 16:21:53 +0300 |
| commit | afd4f15a39de0fa572792a3037545afbac386ee5 (patch) | |
| tree | 9dc38ac1e866d5facaae1a609be87da073b8c07e /drivers/spi/omap3_spi.c | |
| parent | 41cf3cb39ddbb8a0b892781388e1054653d33ed1 (diff) | |
| download | u-boot-afd4f15a39de0fa572792a3037545afbac386ee5.tar.xz | |
spi: omap3_spi: Read platform data in ofdata_to_platdata()
Add an ofdata_to_platdata() callback to access dts in U-boot and
access all platform data in it. This prepares the driver for supporting
both device tree as well as static platform data structures in SPL.
Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
Diffstat (limited to 'drivers/spi/omap3_spi.c')
| -rw-r--r-- | drivers/spi/omap3_spi.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c index fb1cf360fc..56cb217486 100644 --- a/drivers/spi/omap3_spi.c +++ b/drivers/spi/omap3_spi.c @@ -414,17 +414,10 @@ static int omap3_spi_set_wordlen(struct udevice *dev, unsigned int wordlen) static int omap3_spi_probe(struct udevice *dev) { struct omap3_spi_priv *priv = dev_get_priv(dev); - const void *blob = gd->fdt_blob; - int node = dev_of_offset(dev); + struct omap3_spi_plat *plat = dev_get_platdata(dev); - struct omap2_mcspi_platform_config* data = - (struct omap2_mcspi_platform_config*)dev_get_driver_data(dev); - - priv->regs = (struct mcspi *)(dev_read_addr(dev) + data->regs_offset); - if (fdtdec_get_bool(blob, node, "ti,pindir-d0-out-d1-in")) - priv->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN; - else - priv->pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT; + priv->regs = plat->regs; + priv->pin_dir = plat->pin_dir; priv->wordlen = SPI_DEFAULT_WORDLEN; spi_reset(priv->regs); @@ -476,6 +469,7 @@ static const struct dm_spi_ops omap3_spi_ops = { */ }; +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) static struct omap2_mcspi_platform_config omap2_pdata = { .regs_offset = 0, }; @@ -484,16 +478,37 @@ static struct omap2_mcspi_platform_config omap4_pdata = { .regs_offset = OMAP4_MCSPI_REG_OFFSET, }; +static int omap3_spi_ofdata_to_platdata(struct udevice *dev) +{ + struct omap2_mcspi_platform_config *data = + (struct omap2_mcspi_platform_config *)dev_get_driver_data(dev); + struct omap3_spi_plat *plat = dev_get_platdata(dev); + + plat->regs = (struct mcspi *)(dev_read_addr(dev) + data->regs_offset); + + if (dev_read_bool(dev, "ti,pindir-d0-out-d1-in")) + plat->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN; + else + plat->pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT; + + return 0; +} + static const struct udevice_id omap3_spi_ids[] = { { .compatible = "ti,omap2-mcspi", .data = (ulong)&omap2_pdata }, { .compatible = "ti,omap4-mcspi", .data = (ulong)&omap4_pdata }, { } }; - +#endif U_BOOT_DRIVER(omap3_spi) = { .name = "omap3_spi", .id = UCLASS_SPI, + .flags = DM_FLAG_PRE_RELOC, +#if CONFIG_IS_ENABLED(OF_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA) .of_match = omap3_spi_ids, + .ofdata_to_platdata = omap3_spi_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct omap3_spi_plat), +#endif .probe = omap3_spi_probe, .ops = &omap3_spi_ops, .priv_auto_alloc_size = sizeof(struct omap3_spi_priv), |