]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
m68k: stmark2: enable DACs outputs
authorAngelo Dureghello <adureghello@baylibre.com>
Wed, 10 Jun 2026 20:35:13 +0000 (22:35 +0200)
committerGreg Ungerer <gerg@kernel.org>
Thu, 11 Jun 2026 08:02:39 +0000 (18:02 +1000)
Enabled DAC0 and DAC1 outpus disabling shared ADC inputs on ADC3 and ADC7.

Reviewed-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
arch/m68k/coldfire/stmark2.c

index a6f9eb3a75d8f508e8723db8fca9e03e47ab99c8..25452079056b9afd46f3ddfb0d914313e74ee1aa 100644 (file)
@@ -113,6 +113,8 @@ static struct platform_device *stmark2_devices[] __initdata = {
  */
 static int __init init_stmark2(void)
 {
+       u16 val;
+
        /* DSPI0, all pins as DSPI, and using CS1 */
        mcf_write8(0x80, MCFGPIO_PAR_DSPIOWL);
        mcf_write8(0xfc, MCFGPIO_PAR_DSPIOWH);
@@ -125,6 +127,11 @@ static int __init init_stmark2(void)
        /* CAN pads */
        mcf_write8(0x50, MCFGPIO_PAR_CANI2C);
 
+       val = mcf_read16(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;
+       mcf_write16(val, MCF_CCM_MISCCR2);
+
        platform_add_devices(stmark2_devices, ARRAY_SIZE(stmark2_devices));
 
        spi_register_board_info(stmark2_board_info,