From: Angelo Dureghello <adureghello@baylibre.com>
To: "Greg Ungerer" <gerg@linux-m68k.org>,
"Geert Uytterhoeven" <geert@linux-m68k.org>,
"Steven King" <sfking@fdwdc.com>, "Arnd Bergmann" <arnd@arndb.de>,
"Maxime Coquelin" <mcoquelin.stm32@gmail.com>,
"Alexandre Torgue" <alexandre.torgue@foss.st.com>,
"Jonathan Cameron" <jic23@kernel.org>,
"David Lechner" <dlechner@baylibre.com>,
"Nuno Sá" <nuno.sa@analog.com>,
"Andy Shevchenko" <andy@kernel.org>
Cc: Greg Ungerer <gerg@uclinux.org>,
linux-m68k@lists.linux-m68k.org, linux-kernel@vger.kernel.org,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org, linux-iio@vger.kernel.org,
Angelo Dureghello <adureghello@baylibre.com>
Subject: [PATCH v2 10/11] m68k: stmark2: enable DACs outputs
Date: Wed, 13 May 2026 11:14:34 +0200 [thread overview]
Message-ID: <20260513-wip-stmark2-dac-v2-10-fcdae50cf51a@baylibre.com> (raw)
In-Reply-To: <20260513-wip-stmark2-dac-v2-0-fcdae50cf51a@baylibre.com>
From: Angelo Dureghello <adureghello@baylibre.com>
Enabled DAC0 and DAC1 outpus disabling shared ADC inputs on ADC3 and ADC7.
Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
---
Changes in v2:
- using mcf_read16/mcf_write16
- remove unuseful comment
---
arch/m68k/coldfire/stmark2.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/arch/m68k/coldfire/stmark2.c b/arch/m68k/coldfire/stmark2.c
index a5b36af8e70a..a82e1b286770 100644
--- a/arch/m68k/coldfire/stmark2.c
+++ b/arch/m68k/coldfire/stmark2.c
@@ -117,6 +117,8 @@ 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);
@@ -129,6 +131,11 @@ 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,
--
2.54.0
next prev parent reply other threads:[~2026-05-13 9:15 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-13 9:14 [PATCH v2 00/11] add mcf54415 DAC driver Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 01/11] m68k: mcf5441x: fix clocks numbering Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 02/11] m68k: mcf5441x: add clock for DAC channel 1 Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 03/11] m68k: mcf5441x: setup DAC clock name as per driver name Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 04/11] m68k: defconfig: update stmark2 defconfig Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 05/11] m68k: add DAC modules base addresses Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 06/11] m68k: mcf5441x: add CCM registers Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 07/11] m68k: mcf5441x: add CCR MISCCR2 bitfields Angelo Dureghello
2026-05-13 9:14 ` [PATCH v2 08/11] m68k: stmark2: add mcf5441x DAC platform devices Angelo Dureghello
2026-05-13 13:53 ` Jonathan Cameron
2026-05-13 20:16 ` Andy Shevchenko
2026-05-13 9:14 ` [PATCH v2 09/11] m68k: stmark2: use ioport.h macros for resources Angelo Dureghello
2026-05-13 13:55 ` Jonathan Cameron
2026-05-13 20:18 ` Andy Shevchenko
2026-05-13 9:14 ` Angelo Dureghello [this message]
2026-05-13 13:56 ` [PATCH v2 10/11] m68k: stmark2: enable DACs outputs Jonathan Cameron
2026-05-13 9:14 ` [PATCH v2 11/11] iio: dac: add mcf54415 DAC Angelo Dureghello
2026-05-13 14:07 ` Jonathan Cameron
2026-05-13 20:28 ` Andy Shevchenko
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