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From: "Martin Hundebøll" <martin@geanix.com>
To: Wu Hao <hao.wu@intel.com>, Tom Rix <trix@redhat.com>,
	Moritz Fischer <mdf@kernel.org>, Xu Yilun <yilun.xu@intel.com>,
	Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Lee Jones <lee.jones@linaro.org>, Mark Brown <broonie@kernel.org>
Cc: "Martin Hundebøll" <mhu@silicom.dk>,
	linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-hwmon@vger.kernel.org, linux-spi@vger.kernel.org
Subject: [PATCH v3 2/4] spi: spi-altera-dfl: support n5010 feature revision
Date: Tue, 29 Jun 2021 14:12:12 +0200	[thread overview]
Message-ID: <20210629121214.988036-3-martin@geanix.com> (raw)
In-Reply-To: <20210629121214.988036-1-martin@geanix.com>

From: Martin Hundebøll <mhu@silicom.dk>

The Max10 BMC on the Silicom n5010 PAC is slightly different than the
existing BMC's, so use a dedicated feature revision detect it.

Signed-off-by: Martin Hundebøll <mhu@silicom.dk>
---

Changes since v2:
 * None

Changes since v1:
 * use feature revision from struct dfl_device instead of reading it
   from io-mem

 drivers/spi/spi-altera-dfl.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/drivers/spi/spi-altera-dfl.c b/drivers/spi/spi-altera-dfl.c
index 3e32e4fe5895..f6cf7c8d9dac 100644
--- a/drivers/spi/spi-altera-dfl.c
+++ b/drivers/spi/spi-altera-dfl.c
@@ -111,6 +111,13 @@ static struct spi_board_info m10_bmc_info = {
 	.chip_select = 0,
 };
 
+static struct spi_board_info m10_n5010_bmc_info = {
+	.modalias = "m10-n5010",
+	.max_speed_hz = 12500000,
+	.bus_num = 0,
+	.chip_select = 0,
+};
+
 static void config_spi_master(void __iomem *base, struct spi_master *master)
 {
 	u64 v;
@@ -130,6 +137,7 @@ static void config_spi_master(void __iomem *base, struct spi_master *master)
 
 static int dfl_spi_altera_probe(struct dfl_device *dfl_dev)
 {
+	struct spi_board_info *board_info = &m10_bmc_info;
 	struct device *dev = &dfl_dev->dev;
 	struct spi_master *master;
 	struct altera_spi *hw;
@@ -172,9 +180,12 @@ static int dfl_spi_altera_probe(struct dfl_device *dfl_dev)
 		goto exit;
 	}
 
-	if (!spi_new_device(master,  &m10_bmc_info)) {
+	if (dfl_dev->revision == FME_FEATURE_REV_MAX10_SPI_N5010)
+		board_info = &m10_n5010_bmc_info;
+
+	if (!spi_new_device(master, board_info)) {
 		dev_err(dev, "%s failed to create SPI device: %s\n",
-			__func__, m10_bmc_info.modalias);
+			__func__, board_info->modalias);
 	}
 
 	return 0;
-- 
2.31.0


  parent reply	other threads:[~2021-06-29 12:12 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-29 12:12 [PATCH v3 0/4] fpga/mfd/hwmon: Initial support for Silicom N5010 PAC Martin Hundebøll
2021-06-29 12:12 ` [PATCH v3 1/4] fpga: dfl: expose feature revision from struct dfl_device Martin Hundebøll
2021-06-29 14:17   ` Wu, Hao
2021-06-29 18:04   ` matthew.gerlach
2021-06-29 12:12 ` Martin Hundebøll [this message]
2021-06-30 18:48   ` [PATCH v3 2/4] spi: spi-altera-dfl: support n5010 feature revision Moritz Fischer
2021-06-29 12:12 ` [PATCH v3 3/4] mfd: intel-m10-bmc: add n5010 variant Martin Hundebøll
2021-06-30 17:42   ` matthew.gerlach
2021-07-16  7:56   ` Lee Jones
2021-06-29 12:12 ` [PATCH v3 4/4] hwmon: intel-m10-bmc-hwmon: add n5010 sensors Martin Hundebøll
2021-06-29 22:09   ` matthew.gerlach

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