diff options
Diffstat (limited to 'arch/arm/mach-omap1/serial.c')
| -rw-r--r-- | arch/arm/mach-omap1/serial.c | 62 |
1 files changed, 23 insertions, 39 deletions
diff --git a/arch/arm/mach-omap1/serial.c b/arch/arm/mach-omap1/serial.c index d1ac08016f0b..ffa4a9bece1e 100644 --- a/arch/arm/mach-omap1/serial.c +++ b/arch/arm/mach-omap1/serial.c @@ -1,13 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * linux/arch/arm/mach-omap1/serial.c * * OMAP1 serial support. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. */ -#include <linux/gpio.h> +#include <linux/gpio/machine.h> +#include <linux/gpio/consumer.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -22,9 +20,11 @@ #include <asm/mach-types.h> -#include <mach/mux.h> - +#include "common.h" +#include "serial.h" +#include "mux.h" #include "pm.h" +#include "soc.h" static struct clk * uart1_ck; static struct clk * uart2_ck; @@ -108,13 +108,6 @@ void __init omap_serial_init(void) { int i; - if (cpu_is_omap7xx()) { - serial_platform_data[0].regshift = 0; - serial_platform_data[1].regshift = 0; - serial_platform_data[0].irq = INT_7XX_UART_MODEM_1; - serial_platform_data[1].irq = INT_7XX_UART_MODEM_IRDA_2; - } - if (cpu_is_omap15xx()) { serial_platform_data[0].uartclk = OMAP1510_BASE_BAUD * 16; serial_platform_data[1].uartclk = OMAP1510_BASE_BAUD * 16; @@ -122,14 +115,6 @@ void __init omap_serial_init(void) } for (i = 0; i < ARRAY_SIZE(serial_platform_data) - 1; i++) { - - /* Don't look at UARTs higher than 2 for omap7xx */ - if (cpu_is_omap7xx() && i > 1) { - serial_platform_data[i].membase = NULL; - serial_platform_data[i].mapbase = 0; - continue; - } - /* Static mapping, never released */ serial_platform_data[i].membase = ioremap(serial_platform_data[i].mapbase, SZ_2K); @@ -143,7 +128,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart1_ck)) printk("Could not get uart1_ck\n"); else { - clk_enable(uart1_ck); + clk_prepare_enable(uart1_ck); if (cpu_is_omap15xx()) clk_set_rate(uart1_ck, 12000000); } @@ -153,7 +138,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart2_ck)) printk("Could not get uart2_ck\n"); else { - clk_enable(uart2_ck); + clk_prepare_enable(uart2_ck); if (cpu_is_omap15xx()) clk_set_rate(uart2_ck, 12000000); else @@ -165,7 +150,7 @@ void __init omap_serial_init(void) if (IS_ERR(uart3_ck)) printk("Could not get uart3_ck\n"); else { - clk_enable(uart3_ck); + clk_prepare_enable(uart3_ck); if (cpu_is_omap15xx()) clk_set_rate(uart3_ck, 12000000); } @@ -213,39 +198,38 @@ void omap_serial_wake_trigger(int enable) } } -static void __init omap_serial_set_port_wakeup(int gpio_nr) +static void __init omap_serial_set_port_wakeup(int idx) { + struct gpio_desc *d; int ret; - ret = gpio_request(gpio_nr, "UART wake"); - if (ret < 0) { - printk(KERN_ERR "Could not request UART wake GPIO: %i\n", - gpio_nr); + d = gpiod_get_index(NULL, "wakeup", idx, GPIOD_IN); + if (IS_ERR(d)) { + pr_err("Unable to get UART wakeup GPIO descriptor\n"); return; } - gpio_direction_input(gpio_nr); - ret = request_irq(gpio_to_irq(gpio_nr), &omap_serial_wake_interrupt, + ret = request_irq(gpiod_to_irq(d), &omap_serial_wake_interrupt, IRQF_TRIGGER_RISING, "serial wakeup", NULL); if (ret) { - gpio_free(gpio_nr); - printk(KERN_ERR "No interrupt for UART wake GPIO: %i\n", - gpio_nr); + gpiod_put(d); + pr_err("No interrupt for UART%d wake GPIO\n", idx + 1); return; } - enable_irq_wake(gpio_to_irq(gpio_nr)); + enable_irq_wake(gpiod_to_irq(d)); } + int __init omap_serial_wakeup_init(void) { if (!cpu_is_omap16xx()) return 0; if (uart1_ck != NULL) - omap_serial_set_port_wakeup(37); + omap_serial_set_port_wakeup(0); if (uart2_ck != NULL) - omap_serial_set_port_wakeup(18); + omap_serial_set_port_wakeup(1); if (uart3_ck != NULL) - omap_serial_set_port_wakeup(49); + omap_serial_set_port_wakeup(2); return 0; } |