Hi.
We are trying to use the SPI subsystem in the MPC5200 to write a driver
that supports SC16IS752 (SPI->2 UARTs).
Although I have read the spi-summary in the Documentation of the kernel,
I am not quite sure of having understood all the pieces that I require
to make the system work.
First of all, I am using the SPI associated to PSC3, so in the
mpc52xx_devices.c I have added a "[MPC52xx_PSC_SPI]" entry with exactly
the same parameters as "[MPC52xx_PSC3]", except for the name, which I
assign to mpc52xx-psc-spi (I suppose this is the correct driver for the
master of the SPI bus).
That is:
[MPC52xx_PSC_SPI] = {
.name = "mpc52xx-psc-spi",
.id = 2,
.num_resources = 2,
.resource = (struct resource[]) {
{
.start = 0x2400,
.end = 0x249f,
.flags = IORESOURCE_MEM,
},
{
.start = MPC52xx_PSC3_IRQ,
.end = MPC52xx_PSC3_IRQ,
.flags = IORESOURCE_IRQ,
},
},
},
My question is: Am I using the correct IRQ? Where can I find which is
the correct one?
Thanks
Miguel Ángel
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