diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0051-Added-support-to-reserve-enable-a-GPIO-pin-to-be-use.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.1/0051-Added-support-to-reserve-enable-a-GPIO-pin-to-be-use.patch | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0051-Added-support-to-reserve-enable-a-GPIO-pin-to-be-use.patch b/target/linux/brcm2708/patches-4.1/0051-Added-support-to-reserve-enable-a-GPIO-pin-to-be-use.patch deleted file mode 100644 index e770e3ba8d..0000000000 --- a/target/linux/brcm2708/patches-4.1/0051-Added-support-to-reserve-enable-a-GPIO-pin-to-be-use.patch +++ /dev/null @@ -1,134 +0,0 @@ -From b7da35712d3642991ffa703e2082ce712ef38f29 Mon Sep 17 00:00:00 2001 -From: Timo Kokkonen <tjko@iki.fi> -Date: Wed, 29 Oct 2014 23:30:30 -0700 -Subject: [PATCH 051/222] Added support to reserve/enable a GPIO pin to be used - from pps-gpio module (LinuxPPS). Enable PPS modules in default config for - RPi. - ---- - arch/arm/mach-bcm2708/bcm2708.c | 27 +++++++++++++++++++++++++++ - arch/arm/mach-bcm2709/bcm2709.c | 27 +++++++++++++++++++++++++++ - 2 files changed, 54 insertions(+) - ---- a/arch/arm/mach-bcm2708/bcm2708.c -+++ b/arch/arm/mach-bcm2708/bcm2708.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> -@@ -92,6 +93,7 @@ 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 int pps_gpio_pin = -1; - - static unsigned use_dt = 0; - -@@ -325,6 +327,19 @@ 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 +875,16 @@ void __init bcm2708_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("bcm2708: 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; -@@ -1116,3 +1141,5 @@ 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."); -+module_param(pps_gpio_pin, int, 0644); -+MODULE_PARM_DESC(pps_gpio_pin, "Set GPIO pin to reserve for PPS"); ---- 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> -@@ -94,6 +95,7 @@ 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 int pps_gpio_pin = -1; - - static unsigned use_dt = 0; - -@@ -335,6 +337,19 @@ 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 = { -@@ -880,6 +895,16 @@ 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; -@@ -1284,3 +1309,5 @@ 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."); -+module_param(pps_gpio_pin, int, 0644); -+MODULE_PARM_DESC(pps_gpio_pin, "Set GPIO pin to reserve for PPS"); |