diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2020-11-23 13:23:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-26 11:15:31 +0300 |
| commit | f3ef38160e3dacb490483eb2104b4ce05cd97058 (patch) | |
| tree | f6c04949c31dff4465f8e17e0b379e1c0d1bcdbf /arch/arm/mach-omap1 | |
| parent | 93c747ed00c1c74316645f7761f0cdb3f3d3952d (diff) | |
| download | linux-f3ef38160e3dacb490483eb2104b4ce05cd97058.tar.xz | |
usb: isp1301-omap: Convert to use GPIO descriptors
This modernized the ISP1301 a bit by switching it to provide
a GPIO descriptor from the H2 board if used.
Cc: Tony Lindgren <tony@atomide.com>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20201123102346.48284-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm/mach-omap1')
| -rw-r--r-- | arch/arm/mach-omap1/board-h2.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/arch/arm/mach-omap1/board-h2.c b/arch/arm/mach-omap1/board-h2.c index cb7ce627ffe8..c40cf5ef8607 100644 --- a/arch/arm/mach-omap1/board-h2.c +++ b/arch/arm/mach-omap1/board-h2.c @@ -16,6 +16,7 @@ * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com> */ #include <linux/gpio.h> +#include <linux/gpio/machine.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/delay.h> @@ -46,6 +47,9 @@ #include "common.h" #include "board-h2.h" +/* The first 16 SoC GPIO lines are on this GPIO chip */ +#define OMAP_GPIO_LABEL "gpio-0-15" + /* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */ #define OMAP1610_ETHR_START 0x04000300 @@ -334,7 +338,19 @@ static struct i2c_board_info __initdata h2_i2c_board_info[] = { I2C_BOARD_INFO("tps65010", 0x48), .platform_data = &tps_board, }, { - I2C_BOARD_INFO("isp1301_omap", 0x2d), + .type = "isp1301_omap", + .addr = 0x2d, + .dev_name = "isp1301", + }, +}; + +static struct gpiod_lookup_table isp1301_gpiod_table = { + .dev_id = "isp1301", + .table = { + /* Active low since the irq triggers on falling edge */ + GPIO_LOOKUP(OMAP_GPIO_LABEL, 2, + NULL, GPIO_ACTIVE_LOW), + { }, }, }; @@ -406,8 +422,10 @@ static void __init h2_init(void) h2_smc91x_resources[1].end = gpio_to_irq(0); platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices)); omap_serial_init(); + + /* ISP1301 IRQ wired at M14 */ + omap_cfg_reg(M14_1510_GPIO2); h2_i2c_board_info[0].irq = gpio_to_irq(58); - h2_i2c_board_info[1].irq = gpio_to_irq(2); omap_register_i2c_bus(1, 100, h2_i2c_board_info, ARRAY_SIZE(h2_i2c_board_info)); omap1_usb_init(&h2_usb_config); |