Peter Huewe: Added to category BeagleBoard

2011-04-13T05:43:45Z

Added to category BeagleBoard

Bgamari: moved BeagleBoard/SPIPatch-2.6.37 to BeagleBoard/SPI/Patch-2.6.37

2010-12-13T20:23:16Z

moved BeagleBoard/SPIPatch-2.6.37 to BeagleBoard/SPI/Patch-2.6.37

Bgamari: Created page with "

 From 9241c22a3919d298aba3dd99ba578db9164eef2c Mon Sep 17 00:00:00 2001 From: Ben Gamari  Date: Sun, 28 Nov 2010 22:02:18 -0500 Subject: [PATCH] Setu..."

2010-12-10T14:04:59Z

Created page with "<pre> From 9241c22a3919d298aba3dd99ba578db9164eef2c Mon Sep 17 00:00:00 2001 From: Ben Gamari <bgamari.foss@gmail.com> Date: Sun, 28 Nov 2010 22:02:18 -0500 Subject: [PATCH] Setu..."

New page

<pre>
From 9241c22a3919d298aba3dd99ba578db9164eef2c Mon Sep 17 00:00:00 2001
From: Ben Gamari <bgamari.foss@gmail.com>
Date: Sun, 28 Nov 2010 22:02:18 -0500
Subject: [PATCH] Setup mcspi3 and mcspi4 as spidev devices

---
arch/arm/mach-omap2/board-omap3beagle.c | 54 +++++++++++++++++++++++++++++++
1 files changed, 54 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 14f4224..58bacb6 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -29,6 +29,7 @@
#include <linux/mtd/nand.h>
#include <linux/mmc/host.h>

+#include <linux/spi/spi.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>

@@ -499,6 +500,54 @@ static struct platform_device *omap3_beagle_devices[] __initdata = {
&beagle_dss_device,
};

+static void __init omap3_beagle_config_mcspi3_mux(void)
+{
+ // NOTE: Clock pins need to be in input mode
+ omap_mux_init_signal("sdmmc2_clk.mcspi3_clk", OMAP_PIN_INPUT);
+ omap_mux_init_signal("sdmmc2_dat3.mcspi3_cs0", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("sdmmc2_dat2.mcspi3_cs1", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("sdmmc2_cmd.mcspi3_simo", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("sdmmc2_dat0.mcspi3_somi", OMAP_PIN_INPUT_PULLUP);
+}
+
+static void __init omap3_beagle_config_mcspi4_mux(void)
+{
+ // NOTE: Clock pins need to be in input mode
+ omap_mux_init_signal("mcbsp1_clkr.mcspi4_clk", OMAP_PIN_INPUT);
+ omap_mux_init_signal("mcbsp1_fsx.mcspi4_cs0", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("mcbsp1_dx.mcspi4_simo", OMAP_PIN_OUTPUT);
+ omap_mux_init_signal("mcbsp1_dr.mcspi4_somi", OMAP_PIN_INPUT_PULLUP);
+}
+
+static struct spi_board_info beagle_mcspi_board_info[] = {
+ // spi 3.0
+ {
+ .modalias = "spidev",
+ .max_speed_hz = 48000000, //48 Mbps
+ .bus_num = 3,
+ .chip_select = 0,
+ .mode = SPI_MODE_1,
+ },
+
+ // spi 3.1
+ {
+ .modalias = "spidev",
+ .max_speed_hz = 48000000, //48 Mbps
+ .bus_num = 3,
+ .chip_select = 1,
+ .mode = SPI_MODE_1,
+ },
+
+ // spi 4.0
+ {
+ .modalias = "spidev",
+ .max_speed_hz = 48000000, //48 Mbps
+ .bus_num = 4,
+ .chip_select = 0,
+ .mode = SPI_MODE_1,
+ },
+};
+
static void __init omap3beagle_flash_init(void)
{
u8 cs = 0;
@@ -567,6 +616,11 @@ static void __init omap3_beagle_init(void)
ARRAY_SIZE(omap3_beagle_devices));
omap_serial_init();

+ omap3_beagle_config_mcspi3_mux();
+ omap3_beagle_config_mcspi4_mux();
+ spi_register_board_info(beagle_mcspi_board_info,
+ ARRAY_SIZE(beagle_mcspi_board_info));
+
omap_mux_init_gpio(170, OMAP_PIN_INPUT);
gpio_request(170, "DVI_nPD");
/* REVISIT leave DVI powered down until it's needed ... */
--
1.7.0.4
</pre>

← Older revision		Revision as of 05:43, 13 April 2011
Line 91:		Line 91:
	1.7.0.4		1.7.0.4
	</pre>		</pre>
		+
		+
		+	[[Category:BeagleBoard]]

BeagleBoard/SPI/Patch-2.6.37 - Revision history

Peter Huewe: Added to category BeagleBoard

Bgamari: moved BeagleBoard/SPIPatch-2.6.37 to BeagleBoard/SPI/Patch-2.6.37

Bgamari: Created page with "
From 9241c22a3919d298aba3dd99ba578db9164eef2c Mon Sep 17 00:00:00 2001 From: Ben Gamari Date: Sun, 28 Nov 2010 22:02:18 -0500 Subject: [PATCH] Setu..."