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spi: imx: Use clock framework if enabled
In case the clock framework is enabled, enable the SPI controller clock and obtain max frequency from the clock framework. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Jagan Teki <jagan@amarulasolutions.com> Cc: Stefano Babic <sbabic@denx.de>
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@ -4,6 +4,7 @@
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <log.h>
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#include <malloc.h>
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@ -617,8 +618,19 @@ static int mxc_spi_probe(struct udevice *bus)
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if (mxcs->base == FDT_ADDR_T_NONE)
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return -ENODEV;
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#if CONFIG_IS_ENABLED(CLK)
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struct clk clk;
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ret = clk_get_by_index(bus, 0, &clk);
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if (ret)
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return ret;
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clk_enable(&clk);
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mxcs->max_hz = clk_get_rate(&clk);
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#else
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mxcs->max_hz = fdtdec_get_int(blob, node, "spi-max-frequency",
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20000000);
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#endif
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return 0;
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}
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