From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/arch/arm/mach-omap1/board-osk.c | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/kernel/arch/arm/mach-omap1/board-osk.c b/kernel/arch/arm/mach-omap1/board-osk.c
index 4df15e6..0a4c9b0 100644
--- a/kernel/arch/arm/mach-omap1/board-osk.c
+++ b/kernel/arch/arm/mach-omap1/board-osk.c
@@ -26,6 +26,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/gpio.h>
+#include <linux/gpio/machine.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
@@ -54,6 +55,9 @@
#include <mach/usb.h>
#include "common.h"
+
+/* Name of the GPIO chip used by the OMAP for GPIOs 0..15 */
+#define OMAP_GPIO_LABEL "gpio-0-15"
/* At OMAP5912 OSK the Ethernet is directly connected to CS1 */
#define OMAP_OSK_ETHR_START 0x04800300
@@ -199,6 +203,8 @@
*/
gpio_request(OSK_TPS_GPIO_USB_PWR_EN, "n_vbus_en");
gpio_direction_output(OSK_TPS_GPIO_USB_PWR_EN, 1);
+ /* Free the GPIO again as the driver will request it */
+ gpio_free(OSK_TPS_GPIO_USB_PWR_EN);
/* Set GPIO 2 high so LED D3 is off by default */
tps65010_set_gpio_out_value(GPIO2, HIGH);
@@ -240,7 +246,9 @@
static struct i2c_board_info __initdata osk_i2c_board_info[] = {
{
+ /* This device will get the name "i2c-tps65010" */
I2C_BOARD_INFO("tps65010", 0x48),
+ .dev_name = "tps65010",
.platform_data = &tps_board,
},
@@ -277,6 +285,16 @@
/* the CF I/O IRQ is really active-low */
irq_set_irq_type(gpio_to_irq(62), IRQ_TYPE_EDGE_FALLING);
}
+
+static struct gpiod_lookup_table osk_usb_gpio_table = {
+ .dev_id = "ohci",
+ .table = {
+ /* Power GPIO on the I2C-attached TPS65010 */
+ GPIO_LOOKUP("tps65010", 0, "power", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP(OMAP_GPIO_LABEL, 9, "overcurrent",
+ GPIO_ACTIVE_HIGH),
+ },
+};
static struct omap_usb_config osk_usb_config __initdata = {
/* has usb host connector (A) ... for development it can also
@@ -581,6 +599,7 @@
l |= (3 << 1);
omap_writel(l, USB_TRANSCEIVER_CTRL);
+ gpiod_add_lookup_table(&osk_usb_gpio_table);
omap1_usb_init(&osk_usb_config);
/* irq for tps65010 chip */
--
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