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Fri, 22 May 2026 14:21:26 -0700 (PDT) From: Angelo Dureghello X-Google-Original-From: Angelo Dureghello Date: Fri, 22 May 2026 23:20:38 +0200 Subject: [PATCH v3 10/11] m68k: stmark2: enable DACs outputs Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260522-wip-stmark2-dac-v3-10-16be0ad35a67@baylibre.com> References: <20260522-wip-stmark2-dac-v3-0-16be0ad35a67@baylibre.com> In-Reply-To: <20260522-wip-stmark2-dac-v3-0-16be0ad35a67@baylibre.com> To: Greg Ungerer , Geert Uytterhoeven , Steven King , Arnd Bergmann , Maxime Coquelin , Alexandre Torgue , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko Cc: Greg Ungerer , 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 X-Mailer: b4 0.15.2 From: Angelo Dureghello Enabled DAC0 and DAC1 outpus disabling shared ADC inputs on ADC3 and ADC7. Reviewed-by: Jonathan Cameron Signed-off-by: Angelo Dureghello --- 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 d3be4b2953fd..8aa9286e85d2 100644 --- a/arch/m68k/coldfire/stmark2.c +++ b/arch/m68k/coldfire/stmark2.c @@ -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, -- 2.54.0