src/patches/kernel/omap/beagle/expansion/0003-Beagle-expansion-add-zippy2.patch

   1 From 45bed17e65e1a83f753896e250f3458654dcb229 Mon Sep 17 00:00:00 2001
   2 From: Robert Nelson <robertcnelson@gmail.com>
   3 Date: Tue, 11 Dec 2012 06:32:15 -0600
   4 Subject: [PATCH 03/10] Beagle: expansion: add zippy2
   5
   6 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
   7 ---
   8  arch/arm/mach-omap2/board-omap3beagle.c |   48 ++++++++++++++++++++++++++++++-
   9  1 file changed, 47 insertions(+), 1 deletion(-)
  10
  11 diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
  12 index b3685ed..74da505 100644
  13 --- a/arch/arm/mach-omap2/board-omap3beagle.c
  14 +++ b/arch/arm/mach-omap2/board-omap3beagle.c
  15 @@ -276,6 +276,46 @@ static void __init omap3beagle_enc28j60_init(void)
  16  static inline void __init omap3beagle_enc28j60_init(void) { return; }
  17  #endif
  18
  19 +#if IS_ENABLED(CONFIG_KS8851)
  20 +#include <linux/platform_data/spi-omap2-mcspi.h>
  21 +#include <linux/spi/spi.h>
  22 +
  23 +#define OMAP3BEAGLE_GPIO_KS8851_IRQ 157
  24 +
  25 +static struct omap2_mcspi_device_config ks8851_spi_chip_info = {
  26 +       .turbo_mode     = 0,
  27 +};
  28 +
  29 +static struct spi_board_info omap3beagle_zippy2_spi_board_info[] __initdata = {
  30 +       {
  31 +               .modalias               = "ks8851",
  32 +               .bus_num                = 4,
  33 +               .chip_select    = 0,
  34 +               .max_speed_hz   = 36000000,
  35 +               .controller_data        = &ks8851_spi_chip_info,
  36 +       },
  37 +};
  38 +
  39 +static void __init omap3beagle_ks8851_init(void)
  40 +{
  41 +       if ((gpio_request(OMAP3BEAGLE_GPIO_KS8851_IRQ, "KS8851_IRQ") == 0) &&
  42 +           (gpio_direction_input(OMAP3BEAGLE_GPIO_KS8851_IRQ) == 0)) {
  43 +               gpio_export(OMAP3BEAGLE_GPIO_KS8851_IRQ, 0);
  44 +               omap3beagle_zippy2_spi_board_info[0].irq = gpio_to_irq(OMAP3BEAGLE_GPIO_KS8851_IRQ);
  45 +               irq_set_irq_type(omap3beagle_zippy2_spi_board_info[0].irq, IRQ_TYPE_EDGE_FALLING);
  46 +       } else {
  47 +               pr_err("Beagle expansionboard: could not obtain gpio for KS8851_IRQ\n");
  48 +               return;
  49 +       }
  50 +
  51 +       spi_register_board_info(omap3beagle_zippy2_spi_board_info,
  52 +                       ARRAY_SIZE(omap3beagle_zippy2_spi_board_info));
  53 +}
  54 +
  55 +#else
  56 +static inline void __init omap3beagle_ks8851_init(void) { return; }
  57 +#endif
  58 +
  59  static struct mtd_partition omap3beagle_nand_partitions[] = {
  60         /* All the partition sizes are listed in terms of NAND block size */
  61         {
  62 @@ -674,7 +714,7 @@ static void __init omap3_beagle_init(void)
  63         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
  64         omap3_beagle_init_rev();
  65
  66 -       if (!strcmp(expansionboard_name, "zippy"))
  67 +       if ((!strcmp(expansionboard_name, "zippy")) || (!strcmp(expansionboard_name, "zippy2")))
  68         {
  69                 pr_info("Beagle expansionboard: initializing zippy mmc\n");
  70                 platform_device_register(&omap_zippy_device);
  71 @@ -718,6 +758,12 @@ static void __init omap3_beagle_init(void)
  72                 omap3beagle_enc28j60_init();
  73         }
  74
  75 +       if (!strcmp(expansionboard_name, "zippy2"))
  76 +       {
  77 +               pr_info("Beagle expansionboard: initializing ks_8851\n");
  78 +               omap3beagle_ks8851_init();
  79 +       }
  80 +
  81         usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
  82         usb_musb_init(NULL);
  83
  84 --
  85 1.7.10.4
  86