408c969626
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com> SVN-Revision: 44392
49 lines
1.8 KiB
Diff
Executable file
49 lines
1.8 KiB
Diff
Executable file
From 6a63fb6bd7120af9a760fa0f2db9461bfcf29791 Mon Sep 17 00:00:00 2001
|
|
From: Serge Schneider <serge@raspberrypi.org>
|
|
Date: Wed, 3 Sep 2014 14:44:22 +0100
|
|
Subject: [PATCH 080/114] I2C: Only register the I2C device for the current
|
|
board revision
|
|
|
|
---
|
|
arch/arm/mach-bcm2708/bcm2708.c | 14 ++++++++++++--
|
|
1 file changed, 12 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/arch/arm/mach-bcm2708/bcm2708.c b/arch/arm/mach-bcm2708/bcm2708.c
|
|
index 2c6a29d..b36037b 100644
|
|
--- a/arch/arm/mach-bcm2708/bcm2708.c
|
|
+++ b/arch/arm/mach-bcm2708/bcm2708.c
|
|
@@ -93,6 +93,7 @@ static unsigned disk_led_active_low = 1;
|
|
static unsigned reboot_part = 0;
|
|
static unsigned w1_gpio_pin = W1_GPIO;
|
|
static unsigned w1_gpio_pullup = W1_PULLUP;
|
|
+static bool vc_i2c_override = false;
|
|
|
|
static unsigned use_dt = 0;
|
|
|
|
@@ -862,8 +863,15 @@ void __init bcm2708_init(void)
|
|
bcm_register_device(&bcm2835_thermal_device);
|
|
|
|
bcm_register_device_dt(&bcm2708_spi_device);
|
|
- bcm_register_device_dt(&bcm2708_bsc0_device);
|
|
- bcm_register_device_dt(&bcm2708_bsc1_device);
|
|
+
|
|
+ if (vc_i2c_override) {
|
|
+ bcm_register_device_dt(&bcm2708_bsc0_device);
|
|
+ bcm_register_device_dt(&bcm2708_bsc1_device);
|
|
+ } else if ((boardrev & 0xffffff) == 0x2 || (boardrev & 0xffffff) == 0x3) {
|
|
+ bcm_register_device_dt(&bcm2708_bsc0_device);
|
|
+ } else {
|
|
+ bcm_register_device_dt(&bcm2708_bsc1_device);
|
|
+ }
|
|
|
|
#if defined(CONFIG_SND_BCM2708_SOC_I2S) || defined(CONFIG_SND_BCM2708_SOC_I2S_MODULE)
|
|
bcm_register_device_dt(&bcm2708_i2s_device);
|
|
@@ -1093,3 +1101,5 @@ module_param(disk_led_active_low, uint, 0644);
|
|
module_param(reboot_part, uint, 0644);
|
|
module_param(w1_gpio_pin, uint, 0644);
|
|
module_param(w1_gpio_pullup, uint, 0644);
|
|
+module_param(vc_i2c_override, bool, 0644);
|
|
+MODULE_PARM_DESC(vc_i2c_override, "Allow the use of VC's I2C peripheral.");
|
|
--
|
|
1.8.3.2
|
|
|