target/linux/generic/backport-5.4/826-v5.8-spi-rb4xx-update-driver-to-be-device-tree-aware.patch

   1 From: Christopher Hill <ch6574@gmail.com>
   2 To: Mark Brown <broonie@kernel.org>
   3 Cc: Christopher Hill <ch6574@gmail.com>, linux-spi@vger.kernel.org,
   4         linux-kernel@vger.kernel.org
   5 Subject: [PATCH 2/3] spi: rb4xx: update driver to be device tree aware
   6 Date: Thu, 21 May 2020 14:36:30 -0400
   7 Message-Id: <20200521183631.37806-2-ch6574@gmail.com>
   8 X-Mailer: git-send-email 2.25.1
   9 In-Reply-To: <20200521183631.37806-1-ch6574@gmail.com>
  10 References: <20200521183631.37806-1-ch6574@gmail.com>
  11 MIME-Version: 1.0
  12 Sender: linux-spi-owner@vger.kernel.org
  13 Precedence: bulk
  14 List-ID: <linux-spi.vger.kernel.org>
  15 X-Mailing-List: linux-spi@vger.kernel.org
  16
  17 This patch updates the spi driver spi-rb4xx.c to be device tree aware
  18
  19 Signed-off-by: Christopher Hill <ch6574@gmail.com>
  20 ---
  21  drivers/spi/spi-rb4xx.c | 9 +++++++++
  22  1 file changed, 9 insertions(+)
  23
  24 --- a/drivers/spi/spi-rb4xx.c
  25 +++ b/drivers/spi/spi-rb4xx.c
  26 @@ -14,6 +14,7 @@
  27  #include <linux/platform_device.h>
  28  #include <linux/clk.h>
  29  #include <linux/spi/spi.h>
  30 +#include <linux/of.h>
  31
  32  #include <asm/mach-ath79/ar71xx_regs.h>
  33
  34 @@ -150,6 +151,7 @@ static int rb4xx_spi_probe(struct platfo
  35         if (IS_ERR(ahb_clk))
  36                 return PTR_ERR(ahb_clk);
  37
  38 +       master->dev.of_node = pdev->dev.of_node;
  39         master->bus_num = 0;
  40         master->num_chipselect = 3;
  41         master->mode_bits = SPI_TX_DUAL;
  42 @@ -188,11 +190,18 @@ static int rb4xx_spi_remove(struct platf
  43         return 0;
  44  }
  45
  46 +static const struct of_device_id rb4xx_spi_dt_match[] = {
  47 +       { .compatible = "mikrotik,rb4xx-spi" },
  48 +       { },
  49 +};
  50 +MODULE_DEVICE_TABLE(of, rb4xx_spi_dt_match);
  51 +
  52  static struct platform_driver rb4xx_spi_drv = {
  53         .probe = rb4xx_spi_probe,
  54         .remove = rb4xx_spi_remove,
  55         .driver = {
  56                 .name = "rb4xx-spi",
  57 +               .of_match_table = of_match_ptr(rb4xx_spi_dt_match),
  58         },
  59  };
  60