aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mxs/module-tx28.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mxs/module-tx28.c')
-rw-r--r--arch/arm/mach-mxs/module-tx28.c160
1 files changed, 0 insertions, 160 deletions
diff --git a/arch/arm/mach-mxs/module-tx28.c b/arch/arm/mach-mxs/module-tx28.c
deleted file mode 100644
index 9a7b08b2a92..00000000000
--- a/arch/arm/mach-mxs/module-tx28.c
+++ /dev/null
@@ -1,160 +0,0 @@
-/*
- * Copyright (C) 2010 <LW@KARO-electronics.de>
- *
- * 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/delay.h>
-#include <linux/fec.h>
-#include <linux/gpio.h>
-
-#include <mach/iomux-mx28.h>
-#include "../devices-mx28.h"
-
-#include "module-tx28.h"
-
-#define TX28_FEC_PHY_POWER MXS_GPIO_NR(3, 29)
-#define TX28_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
-
-static const iomux_cfg_t tx28_fec_gpio_pads[] __initconst = {
- /* PHY POWER */
- MX28_PAD_PWM4__GPIO_3_29 |
- MXS_PAD_4MA | MXS_PAD_NOPULL | MXS_PAD_3V3,
- /* PHY RESET */
- MX28_PAD_ENET0_RX_CLK__GPIO_4_13 |
- MXS_PAD_4MA | MXS_PAD_NOPULL | MXS_PAD_3V3,
- /* Mode strap pins 0-2 */
- MX28_PAD_ENET0_RXD0__GPIO_4_3 |
- MXS_PAD_8MA | MXS_PAD_PULLUP | MXS_PAD_3V3,
- MX28_PAD_ENET0_RXD1__GPIO_4_4 |
- MXS_PAD_8MA | MXS_PAD_PULLUP | MXS_PAD_3V3,
- MX28_PAD_ENET0_RX_EN__GPIO_4_2 |
- MXS_PAD_8MA | MXS_PAD_PULLUP | MXS_PAD_3V3,
- /* nINT */
- MX28_PAD_ENET0_TX_CLK__GPIO_4_5 |
- MXS_PAD_4MA | MXS_PAD_NOPULL | MXS_PAD_3V3,
-
- MX28_PAD_ENET0_MDC__GPIO_4_0,
- MX28_PAD_ENET0_MDIO__GPIO_4_1,
- MX28_PAD_ENET0_TX_EN__GPIO_4_6,
- MX28_PAD_ENET0_TXD0__GPIO_4_7,
- MX28_PAD_ENET0_TXD1__GPIO_4_8,
- MX28_PAD_ENET_CLK__GPIO_4_16,
-};
-
-#define FEC_MODE (MXS_PAD_8MA | MXS_PAD_PULLUP | MXS_PAD_3V3)
-static const iomux_cfg_t tx28_fec0_pads[] __initconst = {
- MX28_PAD_ENET0_MDC__ENET0_MDC | FEC_MODE,
- MX28_PAD_ENET0_MDIO__ENET0_MDIO | FEC_MODE,
- MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | FEC_MODE,
- MX28_PAD_ENET0_RXD0__ENET0_RXD0 | FEC_MODE,
- MX28_PAD_ENET0_RXD1__ENET0_RXD1 | FEC_MODE,
- MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | FEC_MODE,
- MX28_PAD_ENET0_TXD0__ENET0_TXD0 | FEC_MODE,
- MX28_PAD_ENET0_TXD1__ENET0_TXD1 | FEC_MODE,
- MX28_PAD_ENET_CLK__CLKCTRL_ENET | FEC_MODE,
-};
-
-static const iomux_cfg_t tx28_fec1_pads[] __initconst = {
- MX28_PAD_ENET0_RXD2__ENET1_RXD0,
- MX28_PAD_ENET0_RXD3__ENET1_RXD1,
- MX28_PAD_ENET0_TXD2__ENET1_TXD0,
- MX28_PAD_ENET0_TXD3__ENET1_TXD1,
- MX28_PAD_ENET0_COL__ENET1_TX_EN,
- MX28_PAD_ENET0_CRS__ENET1_RX_EN,
-};
-
-static const struct fec_platform_data tx28_fec0_data __initconst = {
- .phy = PHY_INTERFACE_MODE_RMII,
-};
-
-static const struct fec_platform_data tx28_fec1_data __initconst = {
- .phy = PHY_INTERFACE_MODE_RMII,
-};
-
-int __init tx28_add_fec0(void)
-{
- int i, ret;
-
- pr_debug("%s: Switching FEC PHY power off\n", __func__);
- ret = mxs_iomux_setup_multiple_pads(tx28_fec_gpio_pads,
- ARRAY_SIZE(tx28_fec_gpio_pads));
- for (i = 0; i < ARRAY_SIZE(tx28_fec_gpio_pads); i++) {
- unsigned int gpio = MXS_GPIO_NR(PAD_BANK(tx28_fec_gpio_pads[i]),
- PAD_PIN(tx28_fec_gpio_pads[i]));
-
- ret = gpio_request(gpio, "FEC");
- if (ret) {
- pr_err("Failed to request GPIO_%d_%d: %d\n",
- PAD_BANK(tx28_fec_gpio_pads[i]),
- PAD_PIN(tx28_fec_gpio_pads[i]), ret);
- goto free_gpios;
- }
- ret = gpio_direction_output(gpio, 0);
- if (ret) {
- pr_err("Failed to set direction of GPIO_%d_%d to output: %d\n",
- gpio / 32 + 1, gpio % 32, ret);
- goto free_gpios;
- }
- }
-
- /* Power up fec phy */
- pr_debug("%s: Switching FEC PHY power on\n", __func__);
- ret = gpio_direction_output(TX28_FEC_PHY_POWER, 1);
- if (ret) {
- pr_err("Failed to power on PHY: %d\n", ret);
- goto free_gpios;
- }
- mdelay(26); /* 25ms according to data sheet */
-
- /* nINT */
- gpio_direction_input(MXS_GPIO_NR(4, 5));
- /* Mode strap pins */
- gpio_direction_output(MXS_GPIO_NR(4, 2), 1);
- gpio_direction_output(MXS_GPIO_NR(4, 3), 1);
- gpio_direction_output(MXS_GPIO_NR(4, 4), 1);
-
- udelay(100); /* minimum assertion time for nRST */
-
- pr_debug("%s: Deasserting FEC PHY RESET\n", __func__);
- gpio_set_value(TX28_FEC_PHY_RESET, 1);
-
- ret = mxs_iomux_setup_multiple_pads(tx28_fec0_pads,
- ARRAY_SIZE(tx28_fec0_pads));
- if (ret) {
- pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
- __func__, ret);
- goto free_gpios;
- }
- pr_debug("%s: Registering FEC0 device\n", __func__);
- mx28_add_fec(0, &tx28_fec0_data);
- return 0;
-
-free_gpios:
- while (--i >= 0) {
- unsigned int gpio = MXS_GPIO_NR(PAD_BANK(tx28_fec_gpio_pads[i]),
- PAD_PIN(tx28_fec_gpio_pads[i]));
-
- gpio_free(gpio);
- }
-
- return ret;
-}
-
-int __init tx28_add_fec1(void)
-{
- int ret;
-
- ret = mxs_iomux_setup_multiple_pads(tx28_fec1_pads,
- ARRAY_SIZE(tx28_fec1_pads));
- if (ret) {
- pr_debug("%s: mxs_iomux_setup_multiple_pads() failed with rc: %d\n",
- __func__, ret);
- return ret;
- }
- pr_debug("%s: Registering FEC1 device\n", __func__);
- mx28_add_fec(1, &tx28_fec1_data);
- return 0;
-}