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From b42299b9cd05cb162cd2364fa41e7307515b8a55 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Mon, 14 May 2012 14:23:45 +0200
Subject: [PATCH 40/56] beaglebone: export SPI2 as spidev when no capes are
using SPI
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
arch/arm/mach-omap2/board-am335xevm.c | 25 +++++++++++++++++++++----
1 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index c9ee0a2..a0fa53a 100644
--- a/arch/arm/mach-omap2/board-am335xevm.c
+++ b/arch/arm/mach-omap2/board-am335xevm.c
@@ -497,6 +497,7 @@ static bool beaglebone_cape_detected;
static int capecount = 0;
static bool beaglebone_tsadcpins_free = 1;
static bool beaglebone_leds_free = 1;
+static bool beaglebone_spi1_free = 1;
#define GP_EVM_REV_IS_1_0 0x1
@@ -1897,6 +1898,16 @@ static struct spi_board_info am335x_spi1_slave_info[] = {
},
};
+static struct spi_board_info bone_spidev2_info[] = {
+ {
+ .modalias = "spidev",
+ .irq = -1,
+ .max_speed_hz = 12000000,
+ .bus_num = 2,
+ .chip_select = 0,
+ },
+};
+
static struct gpmc_timings am335x_nand_timings = {
.sync_clk = 0,
@@ -2199,8 +2210,9 @@ static struct spi_board_info tt3201_spi_info[] = {
static void tt3201_init(int evm_id, int profile)
{
- pr_info("TowerTech TT3201 CAN Cape\n");
-
+ pr_info("TowerTech TT3201 CAN cape\n");
+
+ beaglebone_spi1_free = 0;
setup_pin_mux(spi1_pin_mux);
setup_pin_mux(tt3201_pin_mux);
@@ -2234,12 +2246,18 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
if (beaglebone_leds_free == 1) {
boneleds_init(0,0);
}
+ if(beaglebone_spi1_free == 1) {
+ beaglebone_spi1_free = 0;
+ pr_info("BeagleBone cape: exporting SPI pins as spidev\n");
+ setup_pin_mux(spi1_pin_mux);
+ spi_register_board_info(bone_spidev2_info, ARRAY_SIZE(bone_spidev2_info));
+ }
}
return;
}
if (cape_config.header != AM335X_EEPROM_HEADER) {
- pr_warning("BeagleBone Cape EEPROM: wrong header 0x%x, expected 0x%x\n",
+ pr_warning("BeagleBone cape EEPROM: wrong header 0x%x, expected 0x%x\n",
cape_config.header, AM335X_EEPROM_HEADER);
goto out;
}
@@ -2630,7 +2648,6 @@ static void spi1_init(int evm_id, int profile)
return;
}
-
static int beaglebone_phy_fixup(struct phy_device *phydev)
{
phydev->supported &= ~(SUPPORTED_100baseT_Half |
--
1.7.7.6
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