^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Renesas Technology Europe RSK+ 7203 Support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008 - 2010 Paul Mundt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/smsc911x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/gpio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/gpio_keys.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/machvec.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <asm/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <cpu/sh7203.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static struct smsc911x_platform_config smsc911x_config = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .phy_interface = PHY_INTERFACE_MODE_MII,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) .flags = SMSC911X_USE_32BIT | SMSC911X_SWAP_FIFO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static struct resource smsc911x_resources[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) [0] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) .start = 0x24000000,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .end = 0x240000ff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .flags = IORESOURCE_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) [1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) .start = 64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) .end = 64,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) .flags = IORESOURCE_IRQ,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) static struct platform_device smsc911x_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) .name = "smsc911x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) .num_resources = ARRAY_SIZE(smsc911x_resources),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .resource = smsc911x_resources,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .platform_data = &smsc911x_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static struct gpio_led rsk7203_gpio_leds[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .name = "green",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) .gpio = GPIO_PE10,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) .name = "orange",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .default_trigger = "nand-disk",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .gpio = GPIO_PE12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) .name = "red:timer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .default_trigger = "timer",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .gpio = GPIO_PC14,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) .name = "red:heartbeat",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) .default_trigger = "heartbeat",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) .gpio = GPIO_PE11,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static struct gpio_led_platform_data rsk7203_gpio_leds_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) .leds = rsk7203_gpio_leds,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) .num_leds = ARRAY_SIZE(rsk7203_gpio_leds),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static struct platform_device led_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) .name = "leds-gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) .id = -1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) .platform_data = &rsk7203_gpio_leds_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) static struct gpio_keys_button rsk7203_gpio_keys_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) .code = BTN_0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) .gpio = GPIO_PB0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) .desc = "SW1",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) .code = BTN_1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) .gpio = GPIO_PB1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) .desc = "SW2",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) }, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) .code = BTN_2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) .gpio = GPIO_PB2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) .active_low = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) .desc = "SW3",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static struct gpio_keys_platform_data rsk7203_gpio_keys_info = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .buttons = rsk7203_gpio_keys_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .nbuttons = ARRAY_SIZE(rsk7203_gpio_keys_table),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .poll_interval = 50, /* default to 50ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) static struct platform_device keys_device = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) .name = "gpio-keys-polled",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) .dev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .platform_data = &rsk7203_gpio_keys_info,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) static struct platform_device *rsk7203_devices[] __initdata = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) &smsc911x_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) &led_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) &keys_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) static int __init rsk7203_devices_setup(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) /* Select pins for SCIF0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) gpio_request(GPIO_FN_TXD0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) gpio_request(GPIO_FN_RXD0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /* Setup LAN9118: CS1 in 16-bit Big Endian Mode, IRQ0 at Port B */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) __raw_writel(0x36db0400, 0xfffc0008); /* CS1BCR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) gpio_request(GPIO_FN_IRQ0_PB, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) return platform_add_devices(rsk7203_devices,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) ARRAY_SIZE(rsk7203_devices));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) device_initcall(rsk7203_devices_setup);