#include "devices-mx28.h"
#include "gpio.h"
+#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
+#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
+#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
static const iomux_cfg_t mx28evk_pads[] __initconst = {
/* duart */
- MX28_PAD_PWM0__DUART_RX |
- (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
- MX28_PAD_PWM1__DUART_TX |
- (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
+ MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
+ /* auart0 */
+ MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
+ MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
+ MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL,
+ MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL,
+ /* auart3 */
+ MX28_PAD_AUART3_RX__AUART3_RX | MXS_PAD_CTRL,
+ MX28_PAD_AUART3_TX__AUART3_TX | MXS_PAD_CTRL,
+ MX28_PAD_AUART3_CTS__AUART3_CTS | MXS_PAD_CTRL,
+ MX28_PAD_AUART3_RTS__AUART3_RTS | MXS_PAD_CTRL,
+
+#define MXS_PAD_FEC (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP)
/* fec0 */
- MX28_PAD_ENET0_MDC__ENET0_MDC |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_MDIO__ENET0_MDIO |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_RX_EN__ENET0_RX_EN |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_RXD0__ENET0_RXD0 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_RXD1__ENET0_RXD1 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_TX_EN__ENET0_TX_EN |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_TXD0__ENET0_TXD0 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_TXD1__ENET0_TXD1 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET_CLK__CLKCTRL_ENET |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC,
+ MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC,
+ MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC,
+ MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC,
+ MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC,
+ MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC,
+ MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC,
+ MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC,
+ MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC,
/* fec1 */
- MX28_PAD_ENET0_CRS__ENET1_RX_EN |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_RXD2__ENET1_RXD0 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_RXD3__ENET1_RXD1 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_COL__ENET1_TX_EN |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_TXD2__ENET1_TXD0 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
- MX28_PAD_ENET0_TXD3__ENET1_TXD1 |
- (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_ENET0_CRS__ENET1_RX_EN | MXS_PAD_FEC,
+ MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MXS_PAD_FEC,
+ MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MXS_PAD_FEC,
+ MX28_PAD_ENET0_COL__ENET1_TX_EN | MXS_PAD_FEC,
+ MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MXS_PAD_FEC,
+ MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MXS_PAD_FEC,
/* phy power line */
- MX28_PAD_SSP1_DATA3__GPIO_2_15 |
- (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_SSP1_DATA3__GPIO_2_15 | MXS_PAD_CTRL,
/* phy reset line */
- MX28_PAD_ENET0_RX_CLK__GPIO_4_13 |
- (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+ MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | MXS_PAD_CTRL,
+
+ /* flexcan0 */
+ MX28_PAD_GPMI_RDY2__CAN0_TX,
+ MX28_PAD_GPMI_RDY3__CAN0_RX,
+ /* flexcan1 */
+ MX28_PAD_GPMI_CE2N__CAN1_TX,
+ MX28_PAD_GPMI_CE3N__CAN1_RX,
+ /* transceiver power control */
+ MX28_PAD_SSP1_CMD__GPIO_2_13,
+
+ /* mxsfb (lcdif) */
+ MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
+ MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
+ MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
+ MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
+ MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
+ /* LCD panel enable */
+ MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
+ /* backlight control */
+ MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
};
/* fec */
gpio_set_value(MX28EVK_FEC_PHY_RESET, 1);
}
-static struct fec_platform_data mx28_fec_pdata[] = {
+static struct fec_platform_data mx28_fec_pdata[] __initdata = {
{
/* fec0 */
.phy = PHY_INTERFACE_MODE_RMII,
},
};
+static int __init mx28evk_fec_get_mac(void)
+{
+ int i;
+ u32 val;
+ const u32 *ocotp = mxs_get_ocotp();
+
+ if (!ocotp)
+ goto error;
+
+ /*
+ * OCOTP only stores the last 4 octets for each mac address,
+ * so hard-code Freescale OUI (00:04:9f) here.
+ */
+ for (i = 0; i < 2; i++) {
+ val = ocotp[i * 4];
+ mx28_fec_pdata[i].mac[0] = 0x00;
+ mx28_fec_pdata[i].mac[1] = 0x04;
+ mx28_fec_pdata[i].mac[2] = 0x9f;
+ mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff;
+ mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff;
+ mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff;
+ }
+
+ return 0;
+
+error:
+ pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__);
+ return -ETIMEDOUT;
+}
+
+/*
+ * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
+ */
+static int flexcan0_en, flexcan1_en;
+
+static void mx28evk_flexcan_switch(void)
+{
+ if (flexcan0_en || flexcan1_en)
+ gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
+ else
+ gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
+}
+
+static void mx28evk_flexcan0_switch(int enable)
+{
+ flexcan0_en = enable;
+ mx28evk_flexcan_switch();
+}
+
+static void mx28evk_flexcan1_switch(int enable)
+{
+ flexcan1_en = enable;
+ mx28evk_flexcan_switch();
+}
+
+static const struct flexcan_platform_data
+ mx28evk_flexcan_pdata[] __initconst = {
+ {
+ .transceiver_switch = mx28evk_flexcan0_switch,
+ }, {
+ .transceiver_switch = mx28evk_flexcan1_switch,
+ }
+};
+
+/* mxsfb (lcdif) */
+static struct fb_videomode mx28evk_video_modes[] = {
+ {
+ .name = "Seiko-43WVF1G",
+ .refresh = 60,
+ .xres = 800,
+ .yres = 480,
+ .pixclock = 29851, /* picosecond (33.5 MHz) */
+ .left_margin = 89,
+ .right_margin = 164,
+ .upper_margin = 23,
+ .lower_margin = 10,
+ .hsync_len = 10,
+ .vsync_len = 10,
+ .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
+ FB_SYNC_DOTCLK_FAILING_ACT,
+ },
+};
+
+static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
+ .mode_list = mx28evk_video_modes,
+ .mode_count = ARRAY_SIZE(mx28evk_video_modes),
+ .default_bpp = 32,
+ .ld_intf_width = STMLCDIF_24BIT,
+};
+
static void __init mx28evk_init(void)
{
+ int ret;
+
mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
mx28_add_duart();
+ mx28_add_auart0();
+ mx28_add_auart3();
+
+ if (mx28evk_fec_get_mac())
+ pr_warn("%s: failed on fec mac setup\n", __func__);
mx28evk_fec_reset();
mx28_add_fec(0, &mx28_fec_pdata[0]);
mx28_add_fec(1, &mx28_fec_pdata[1]);
+
+ ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
+ "flexcan-switch");
+ if (ret) {
+ pr_err("failed to request gpio flexcan-switch: %d\n", ret);
+ } else {
+ mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
+ mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
+ }
+
+ ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
+ if (ret)
+ pr_warn("failed to request gpio lcd-enable: %d\n", ret);
+ else
+ gpio_set_value(MX28EVK_LCD_ENABLE, 1);
+
+ ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
+ if (ret)
+ pr_warn("failed to request gpio bl-enable: %d\n", ret);
+ else
+ gpio_set_value(MX28EVK_BL_ENABLE, 1);
+
+ mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
}
static void __init mx28evk_timer_init(void)
git.openpandora.org / pandora-kernel.git / blobdiff