1 files changed, 189 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c
new file mode 100644
index 000000000000..c070c24255f4
--- /dev/null
+++ b/arch/arm/mach-mmp/gplugd.c
@@ -0,0 +1,189 @@
+/*
+ *  linux/arch/arm/mach-mmp/gplugd.c
+ *
+ *  Support for the Marvell PXA168-based GuruPlug Display (gplugD) Platform.
+ *
+ *  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
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach-types.h>
+
+#include <mach/gpio.h>
+#include <mach/pxa168.h>
+#include <mach/mfp-pxa168.h>
+#include <mach/mfp-gplugd.h>
+
+#include "common.h"
+
+static unsigned long gplugd_pin_config[] __initdata = {
+        /* UART3 */
+        GPIO8_UART3_SOUT,
+        GPIO9_UART3_SIN,
+        GPI1O_UART3_CTS,
+        GPI11_UART3_RTS,
+
+        /* MMC2 */
+        GPIO28_MMC2_CMD,
+        GPIO29_MMC2_CLK,
+        GPIO30_MMC2_DAT0,
+        GPIO31_MMC2_DAT1,
+        GPIO32_MMC2_DAT2,
+        GPIO33_MMC2_DAT3,
+
+        /* LCD & HDMI clock selection GPIO: 0: 74.176MHz, 1: 74.25 MHz */
+        GPIO35_GPIO,
+        GPIO36_GPIO, /* CEC Interrupt */
+
+        /* MMC1 */
+        GPIO43_MMC1_CLK,
+        GPIO49_MMC1_CMD,
+        GPIO41_MMC1_DAT0,
+        GPIO40_MMC1_DAT1,
+        GPIO52_MMC1_DAT2,
+        GPIO51_MMC1_DAT3,
+        GPIO53_MMC1_CD,
+
+        /* LCD */
+        GPIO56_LCD_FCLK_RD,
+        GPIO57_LCD_LCLK_A0,
+        GPIO58_LCD_PCLK_WR,
+        GPIO59_LCD_DENA_BIAS,
+        GPIO60_LCD_DD0,
+        GPIO61_LCD_DD1,
+        GPIO62_LCD_DD2,
+        GPIO63_LCD_DD3,
+        GPIO64_LCD_DD4,
+        GPIO65_LCD_DD5,
+        GPIO66_LCD_DD6,
+        GPIO67_LCD_DD7,
+        GPIO68_LCD_DD8,
+        GPIO69_LCD_DD9,
+        GPIO70_LCD_DD10,
+        GPIO71_LCD_DD11,
+        GPIO72_LCD_DD12,
+        GPIO73_LCD_DD13,
+        GPIO74_LCD_DD14,
+        GPIO75_LCD_DD15,
+        GPIO76_LCD_DD16,
+        GPIO77_LCD_DD17,
+        GPIO78_LCD_DD18,
+        GPIO79_LCD_DD19,
+        GPIO80_LCD_DD20,
+        GPIO81_LCD_DD21,
+        GPIO82_LCD_DD22,
+        GPIO83_LCD_DD23,
+
+        /* GPIO */
+        GPIO84_GPIO,
+        GPIO85_GPIO,
+
+        /* Fast-Ethernet*/
+        GPIO86_TX_CLK,
+        GPIO87_TX_EN,
+        GPIO88_TX_DQ3,
+        GPIO89_TX_DQ2,
+        GPIO90_TX_DQ1,
+        GPIO91_TX_DQ0,
+        GPIO92_MII_CRS,
+        GPIO93_MII_COL,
+        GPIO94_RX_CLK,
+        GPIO95_RX_ER,
+        GPIO96_RX_DQ3,
+        GPIO97_RX_DQ2,
+        GPIO98_RX_DQ1,
+        GPIO99_RX_DQ0,
+        GPIO100_MII_MDC,
+        GPIO101_MII_MDIO,
+        GPIO103_RX_DV,
+        GPIO104_GPIO,     /* Reset PHY */
+
+        /* RTC interrupt */
+        GPIO102_GPIO,
+
+        /* I2C */
+        GPIO105_CI2C_SDA,
+        GPIO106_CI2C_SCL,
+
+        /* Select JTAG */
+        GPIO109_GPIO,
+
+        /* I2S */
+        GPIO114_I2S_FRM,
+        GPIO115_I2S_BCLK,
+        GPIO116_I2S_TXD
+};
+
+static struct i2c_board_info gplugd_i2c_board_info[] = {
+        {
+                .type = "isl1208",
+                .addr = 0x6F,
+        }
+};
+
+/* Bring PHY out of reset by setting GPIO 104 */
+static int gplugd_eth_init(void)
+{
+        if (unlikely(gpio_request(104, "ETH_RESET_N"))) {
+                printk(KERN_ERR "Can't get hold of GPIO 104 to bring Ethernet "
+                                "PHY out of reset\n");
+                return -EIO;
+        }
+
+        gpio_direction_output(104, 1);
+        gpio_free(104);
+        return 0;
+}
+
+struct pxa168_eth_platform_data gplugd_eth_platform_data = {
+        .port_number = 0,
+        .phy_addr    = 0,
+        .speed       = 0, /* Autonagotiation */
+        .init        = gplugd_eth_init,
+};
+
+static void __init select_disp_freq(void)
+{
+        /* set GPIO 35 & clear GPIO 85 to set LCD External Clock to 74.25 MHz */
+        if (unlikely(gpio_request(35, "DISP_FREQ_SEL"))) {
+                printk(KERN_ERR "Can't get hold of GPIO 35 to select display "
+                                "frequency\n");
+        } else {
+                gpio_direction_output(35, 1);
+                gpio_free(104);
+        }
+
+        if (unlikely(gpio_request(85, "DISP_FREQ_SEL_2"))) {
+                printk(KERN_ERR "Can't get hold of GPIO 85 to select display "
+                                "frequency\n");
+        } else {
+                gpio_direction_output(85, 0);
+                gpio_free(104);
+        }
+}
+
+static void __init gplugd_init(void)
+{
+        mfp_config(ARRAY_AND_SIZE(gplugd_pin_config));
+
+        select_disp_freq();
+
+        /* on-chip devices */
+        pxa168_add_uart(3);
+        pxa168_add_ssp(0);
+        pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
+
+        pxa168_add_eth(&gplugd_eth_platform_data);
+}
+
+MACHINE_START(SHEEVAD, "PXA168-based GuruPlug Display (gplugD) Platform")
+        .map_io         = mmp_map_io,
+        .nr_irqs        = IRQ_BOARD_START,
+        .init_irq       = pxa168_init_irq,
+        .timer          = &pxa168_timer,
+        .init_machine   = gplugd_init,
+MACHINE_END