diff options
| author | Marek Vasut <marek.vasut+renesas@gmail.com> | 2019-05-04 18:52:33 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2019-05-07 05:41:32 +0200 |
| commit | b5b665679453fe8ad3b3c67b44c88d2e812ca45c (patch) | |
| tree | c849fe8b4c9e4689cbd5ec37ce9e0b84d3207d59 /drivers | |
| parent | 24b3247e24f4bd81a9f8bbc6b54cb63a62a8a638 (diff) | |
spi: rpc: Add support for operation without clock framework
Add ifdeffery to allow operation without the clock framework
enabled. This is required on RZ/A1, as it does not have clock
driver yet.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Chris Brandt <chris.brandt@renesas.com>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/spi/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/spi/renesas_rpc_spi.c | 12 |
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 2830f76587..dc3e23f353 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -173,7 +173,7 @@ config PL022_SPI config RENESAS_RPC_SPI bool "Renesas RPC SPI driver" - depends on RCAR_GEN3 + depends on RCAR_GEN3 || RZA1 imply SPI_FLASH_BAR help Enable the Renesas RPC SPI driver, used to access SPI NOR flash diff --git a/drivers/spi/renesas_rpc_spi.c b/drivers/spi/renesas_rpc_spi.c index bec9095ff4..bb2e7748fe 100644 --- a/drivers/spi/renesas_rpc_spi.c +++ b/drivers/spi/renesas_rpc_spi.c @@ -409,27 +409,30 @@ static int rpc_spi_probe(struct udevice *dev) priv->regs = plat->regs; priv->extr = plat->extr; - +#if CONFIG_IS_ENABLED(CLK) clk_enable(&priv->clk); - +#endif return 0; } static int rpc_spi_ofdata_to_platdata(struct udevice *bus) { struct rpc_spi_platdata *plat = dev_get_platdata(bus); - struct rpc_spi_priv *priv = dev_get_priv(bus); - int ret; plat->regs = dev_read_addr_index(bus, 0); plat->extr = dev_read_addr_index(bus, 1); +#if CONFIG_IS_ENABLED(CLK) + struct rpc_spi_priv *priv = dev_get_priv(bus); + int ret; + ret = clk_get_by_index(bus, 0, &priv->clk); if (ret < 0) { printf("%s: Could not get clock for %s: %d\n", __func__, bus->name, ret); return ret; } +#endif plat->freq = dev_read_u32_default(bus, "spi-max-freq", 50000000); @@ -448,6 +451,7 @@ static const struct udevice_id rpc_spi_ids[] = { { .compatible = "renesas,rpc-r8a77965" }, { .compatible = "renesas,rpc-r8a77970" }, { .compatible = "renesas,rpc-r8a77995" }, + { .compatible = "renesas,rpc-r7s72100" }, { } }; |