Re: [PATCH 09/10] m68k: stmark2: enable DACs outputs
Greg Ungerer <[email protected]>
| Newsgroups | org.kernel.vger.linux-m68k,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-iio,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Hi Angelo, On 5/5/26 03:16, Angelo Dureghello wrote: > From: Angelo Dureghello <[email protected]> > > Enabled DAC0 and DAC1 outpus disabling shared ADC inputs on ADC3 and ADC7. > > Signed-off-by: Angelo Dureghello <[email protected]> > --- > arch/m68k/coldfire/stmark2.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/m68k/coldfire/stmark2.c b/arch/m68k/coldfire/stmark2.c > index 30da9bcbfd63..8fdfb9415cd7 100644 > --- a/arch/m68k/coldfire/stmark2.c > +++ b/arch/m68k/coldfire/stmark2.c > @@ -137,6 +137,8 @@ static struct platform_device *stmark2_devices[] __initdata = { > */ > static int __init init_stmark2(void) > { > + uint16_t val; > + > /* DSPI0, all pins as DSPI, and using CS1 */ > __raw_writeb(0x80, MCFGPIO_PAR_DSPIOWL); > __raw_writeb(0xfc, MCFGPIO_PAR_DSPIOWH); > @@ -149,6 +151,12 @@ static int __init init_stmark2(void) > /* CAN pads */ > __raw_writeb(0x50, MCFGPIO_PAR_CANI2C); > > + /* Enable DAC0 and 1 */ > + val = __raw_readw(MCF_CCM_MISCCR2); > + val &= ~(MCF_CCM_MISCCR2_ADC3_EN | MCF_CCM_MISCCR2_ADC7_EN); > + val |= MCF_CCM_MISCCR2_DAC0_SEL | MCF_CCM_MISCCR2_DAC1_SEL; > + __raw_writew(val, MCF_CCM_MISCCR2); > + > platform_add_devices(stmark2_devices, ARRAY_SIZE(stmark2_devices)); > > spi_register_board_info(stmark2_board_info, Same comment applies here with regards using mcfreadX/mcf_writeX as to the driver itself. Uses of __raw_readX and __raw_writeX will be changed in the very near future to use mcf_readX/mcf_writeX. See the those patches at: https://lore.kernel.org/linux-m68k/[email protected]/T/#t Regards Greg