mirror of https://github.com/hak5/openwrt-owl.git
97 lines
3.2 KiB
Diff
97 lines
3.2 KiB
Diff
|
From aca6741a1d26736f6000d18b3c60a18a313be6ea Mon Sep 17 00:00:00 2001
|
||
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
||
|
|
Date: Mon, 26 Jan 2015 17:40:22 +0000
|
||
|
|
Subject: [PATCH 097/114] bcm2709: Port pps-gpio and i2c patches
|
||
|
|
|
||
|
|
---
|
||
|
|
arch/arm/mach-bcm2709/bcm2709.c | 41 +++++++++++++++++++++++++++++++++++++++--
|
||
|
|
1 file changed, 39 insertions(+), 2 deletions(-)
|
||
|
|
|
||
|
|
diff --git a/arch/arm/mach-bcm2709/bcm2709.c b/arch/arm/mach-bcm2709/bcm2709.c
|
||
|
|
index 5d73b73..f009aeb 100644
|
||
|
|
--- a/arch/arm/mach-bcm2709/bcm2709.c
|
||
|
|
+++ b/arch/arm/mach-bcm2709/bcm2709.c
|
||
|
|
@@ -37,6 +37,7 @@
|
||
|
|
#include <linux/spi/spi.h>
|
||
|
|
#include <linux/gpio/machine.h>
|
||
|
|
#include <linux/w1-gpio.h>
|
||
|
|
+#include <linux/pps-gpio.h>
|
||
|
|
|
||
|
|
#include <linux/version.h>
|
||
|
|
#include <linux/clkdev.h>
|
||
|
|
@@ -95,6 +96,8 @@ 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 int pps_gpio_pin = -1;
|
||
|
|
+static bool vc_i2c_override = false;
|
||
|
|
|
||
|
|
static unsigned use_dt = 0;
|
||
|
|
|
||
|
|
@@ -283,6 +286,19 @@ static struct platform_device w1_device = {
|
||
|
|
};
|
||
|
|
#endif
|
||
|
|
|
||
|
|
+static struct pps_gpio_platform_data pps_gpio_info = {
|
||
|
|
+ .assert_falling_edge = false,
|
||
|
|
+ .capture_clear = false,
|
||
|
|
+ .gpio_pin = -1,
|
||
|
|
+ .gpio_label = "PPS",
|
||
|
|
+};
|
||
|
|
+
|
||
|
|
+static struct platform_device pps_gpio_device = {
|
||
|
|
+ .name = "pps-gpio",
|
||
|
|
+ .id = PLATFORM_DEVID_NONE,
|
||
|
|
+ .dev.platform_data = &pps_gpio_info,
|
||
|
|
+};
|
||
|
|
+
|
||
|
|
static u64 fb_dmamask = DMA_BIT_MASK(DMA_MASK_BITS_COMMON);
|
||
|
|
|
||
|
|
static struct platform_device bcm2708_fb_device = {
|
||
|
|
@@ -860,6 +876,16 @@ void __init bcm2709_init(void)
|
||
|
|
#ifdef CONFIG_BCM2708_GPIO
|
||
|
|
bcm_register_device_dt(&bcm2708_gpio_device);
|
||
|
|
#endif
|
||
|
|
+
|
||
|
|
+#if defined(CONFIG_PPS_CLIENT_GPIO) || defined(CONFIG_PPS_CLIENT_GPIO_MODULE)
|
||
|
|
+ if (!use_dt && (pps_gpio_pin >= 0)) {
|
||
|
|
+ pr_info("bcm2709: GPIO %d setup as pps-gpio device\n", pps_gpio_pin);
|
||
|
|
+ pps_gpio_info.gpio_pin = pps_gpio_pin;
|
||
|
|
+ pps_gpio_device.id = pps_gpio_pin;
|
||
|
|
+ bcm_register_device(&pps_gpio_device);
|
||
|
|
+ }
|
||
|
|
+#endif
|
||
|
|
+
|
||
|
|
#if defined(CONFIG_W1_MASTER_GPIO) || defined(CONFIG_W1_MASTER_GPIO_MODULE)
|
||
|
|
w1_gpio_pdata.pin = w1_gpio_pin;
|
||
|
|
w1_gpio_pdata.ext_pullup_enable_pin = w1_gpio_pullup;
|
||
|
|
@@ -884,8 +910,15 @@ void __init bcm2709_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);
|
||
|
|
@@ -1245,3 +1278,7 @@ 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(pps_gpio_pin, int, 0644);
|
||
|
|
+MODULE_PARM_DESC(pps_gpio_pin, "Set GPIO pin to reserve for PPS");
|
||
|
|
+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
|
||
|
|
|