From: Mans Rullgard <mans@mansr.com>
To: Mark Brown <broonie@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>
Cc: Pan Nan <pannan@allwinnertech.com>,
Maxime Ripard <mripard@kernel.org>,
linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: [PATCH] spi: sun4i: add support for GPIO chip select lines
Date: Thu, 10 Apr 2025 12:53:03 +0100 [thread overview]
Message-ID: <20250410115303.5150-1-mans@mansr.com> (raw)
Set use_gpio_descriptors to true so that GPIOs can be used for chip
select in accordance with the DT binding.
Signed-off-by: Mans Rullgard <mans@mansr.com>
---
drivers/spi/spi-sun4i.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index 2ee6755b43f5..6645d218bcf3 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -462,6 +462,7 @@ static int sun4i_spi_probe(struct platform_device *pdev)
sspi->host = host;
host->max_speed_hz = 100 * 1000 * 1000;
host->min_speed_hz = 3 * 1000;
+ host->use_gpio_descriptors = true;
host->set_cs = sun4i_spi_set_cs;
host->transfer_one = sun4i_spi_transfer_one;
host->num_chipselect = 4;
--
2.49.0
next reply other threads:[~2025-04-10 11:57 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-10 11:53 Mans Rullgard [this message]
2025-04-13 14:54 ` [PATCH] spi: sun4i: add support for GPIO chip select lines Jernej Škrabec
2025-04-14 14:25 ` Mark Brown
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