From 8a35094faa6a545a5abec5ef1708dea4b3b03b26 Mon Sep 17 00:00:00 2001 From: Stefan Roese Date: Wed, 5 Aug 2020 15:07:30 +0200 Subject: [PATCH] spi: octeon_spi: Use a fixed 100MHz input clock on Octeon TX2 Octeon TX2 sets the TB100_EN bit in the config register. We need to use a fixed 100MHz clock for this as well to work properly. Signed-off-by: Stefan Roese Cc: Aaron Williams Cc: Suneel Garapati Cc: Chandrakala Chavva Cc: Jagan Teki --- drivers/spi/octeon_spi.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/octeon_spi.c b/drivers/spi/octeon_spi.c index 83fe633..7e88e55 100644 --- a/drivers/spi/octeon_spi.c +++ b/drivers/spi/octeon_spi.c @@ -519,7 +519,10 @@ static int octeon_spi_set_speed(struct udevice *bus, uint max_hz) if (max_hz > OCTEON_SPI_MAX_CLOCK_HZ) max_hz = OCTEON_SPI_MAX_CLOCK_HZ; - clk_rate = clk_get_rate(&priv->clk); + if (device_is_compatible(bus, "cavium,thunderx-spi")) + clk_rate = 100000000; + else + clk_rate = clk_get_rate(&priv->clk); if (IS_ERR_VALUE(clk_rate)) return -EINVAL; -- 2.7.4