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From: Christopher Hill <ch6574@gmail.com>
To: Mark Brown <broonie@kernel.org>
Cc: Christopher Hill <ch6574@gmail.com>, linux-spi@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 2/3] spi: rb4xx: update driver to be device tree aware
Date: Thu, 21 May 2020 14:36:30 -0400
Message-Id: <20200521183631.37806-2-ch6574@gmail.com>
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This patch updates the spi driver spi-rb4xx.c to be device tree aware
Signed-off-by: Christopher Hill <ch6574@gmail.com>
---
drivers/spi/spi-rb4xx.c | 9 +++++++++
1 file changed, 9 insertions(+)
--- a/drivers/spi/spi-rb4xx.c
+++ b/drivers/spi/spi-rb4xx.c
@@ -14,6 +14,7 @@
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/spi/spi.h>
+#include <linux/of.h>
#include <asm/mach-ath79/ar71xx_regs.h>
@@ -150,6 +151,7 @@ static int rb4xx_spi_probe(struct platfo
if (IS_ERR(ahb_clk))
return PTR_ERR(ahb_clk);
+ master->dev.of_node = pdev->dev.of_node;
master->bus_num = 0;
master->num_chipselect = 3;
master->mode_bits = SPI_TX_DUAL;
@@ -188,11 +190,18 @@ static int rb4xx_spi_remove(struct platf
return 0;
}
+static const struct of_device_id rb4xx_spi_dt_match[] = {
+ { .compatible = "mikrotik,rb4xx-spi" },
+ { },
+};
+MODULE_DEVICE_TABLE(of, rb4xx_spi_dt_match);
+
static struct platform_driver rb4xx_spi_drv = {
.probe = rb4xx_spi_probe,
.remove = rb4xx_spi_remove,
.driver = {
.name = "rb4xx-spi",
+ .of_match_table = of_match_ptr(rb4xx_spi_dt_match),
},
};
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