mirror of https://gitee.com/openkylin/linux.git
ARM: pxa168: Add board support for gplugD
Tested UART console, Ethernet & I2C interfaces Signed-off-by: Tanmay Upadhyay <tanmay.upadhyay@einfochips.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Tanmay Upadhyay
Eric Miao
parent
80def0dc35
commit
f16e05c750
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@ -77,6 +77,13 @@ config MACH_TETON_BGA
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Say 'Y' here if you want to support the Marvell PXA168-based
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Teton BGA Development Board.
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config MACH_SHEEVAD
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bool "Marvell's PXA168 GuruPlug Display (gplugD) Board"
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select CPU_PXA168
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help
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Say 'Y' here if you want to support the Marvell PXA168-based
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GuruPlug Display (gplugD) Board
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endmenu
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config CPU_PXA168
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@ -19,3 +19,4 @@ obj-$(CONFIG_MACH_BROWNSTONE) += brownstone.o
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obj-$(CONFIG_MACH_FLINT) += flint.o
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obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
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obj-$(CONFIG_MACH_TETON_BGA) += teton_bga.o
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obj-$(CONFIG_MACH_SHEEVAD) += gplugd.o
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@ -0,0 +1,189 @@
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/*
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* linux/arch/arm/mach-mmp/gplugd.c
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*
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* Support for the Marvell PXA168-based GuruPlug Display (gplugD) Platform.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* publishhed by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <mach/gpio.h>
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#include <mach/pxa168.h>
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#include <mach/mfp-pxa168.h>
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#include <mach/mfp-gplugd.h>
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#include "common.h"
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static unsigned long gplugd_pin_config[] __initdata = {
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/* UART3 */
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GPIO8_UART3_SOUT,
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GPIO9_UART3_SIN,
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GPI1O_UART3_CTS,
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GPI11_UART3_RTS,
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/* MMC2 */
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GPIO28_MMC2_CMD,
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GPIO29_MMC2_CLK,
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GPIO30_MMC2_DAT0,
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GPIO31_MMC2_DAT1,
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GPIO32_MMC2_DAT2,
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GPIO33_MMC2_DAT3,
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/* LCD & HDMI clock selection GPIO: 0: 74.176MHz, 1: 74.25 MHz */
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GPIO35_GPIO,
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GPIO36_GPIO, /* CEC Interrupt */
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/* MMC1 */
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GPIO43_MMC1_CLK,
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GPIO49_MMC1_CMD,
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GPIO41_MMC1_DAT0,
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GPIO40_MMC1_DAT1,
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GPIO52_MMC1_DAT2,
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GPIO51_MMC1_DAT3,
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GPIO53_MMC1_CD,
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/* LCD */
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GPIO56_LCD_FCLK_RD,
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GPIO57_LCD_LCLK_A0,
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GPIO58_LCD_PCLK_WR,
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GPIO59_LCD_DENA_BIAS,
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GPIO60_LCD_DD0,
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GPIO61_LCD_DD1,
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GPIO62_LCD_DD2,
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GPIO63_LCD_DD3,
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GPIO64_LCD_DD4,
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GPIO65_LCD_DD5,
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GPIO66_LCD_DD6,
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GPIO67_LCD_DD7,
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GPIO68_LCD_DD8,
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GPIO69_LCD_DD9,
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GPIO70_LCD_DD10,
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GPIO71_LCD_DD11,
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GPIO72_LCD_DD12,
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GPIO73_LCD_DD13,
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GPIO74_LCD_DD14,
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GPIO75_LCD_DD15,
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GPIO76_LCD_DD16,
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GPIO77_LCD_DD17,
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GPIO78_LCD_DD18,
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GPIO79_LCD_DD19,
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GPIO80_LCD_DD20,
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GPIO81_LCD_DD21,
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GPIO82_LCD_DD22,
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GPIO83_LCD_DD23,
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/* GPIO */
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GPIO84_GPIO,
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GPIO85_GPIO,
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/* Fast-Ethernet*/
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GPIO86_TX_CLK,
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GPIO87_TX_EN,
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GPIO88_TX_DQ3,
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GPIO89_TX_DQ2,
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GPIO90_TX_DQ1,
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GPIO91_TX_DQ0,
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GPIO92_MII_CRS,
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GPIO93_MII_COL,
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GPIO94_RX_CLK,
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GPIO95_RX_ER,
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GPIO96_RX_DQ3,
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GPIO97_RX_DQ2,
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GPIO98_RX_DQ1,
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GPIO99_RX_DQ0,
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GPIO100_MII_MDC,
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GPIO101_MII_MDIO,
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GPIO103_RX_DV,
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GPIO104_GPIO, /* Reset PHY */
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/* RTC interrupt */
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GPIO102_GPIO,
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/* I2C */
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GPIO105_CI2C_SDA,
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GPIO106_CI2C_SCL,
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/* Select JTAG */
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GPIO109_GPIO,
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/* I2S */
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GPIO114_I2S_FRM,
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GPIO115_I2S_BCLK,
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GPIO116_I2S_TXD
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};
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static struct i2c_board_info gplugd_i2c_board_info[] = {
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{
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.type = "isl1208",
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.addr = 0x6F,
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}
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};
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/* Bring PHY out of reset by setting GPIO 104 */
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static int gplugd_eth_init(void)
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{
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if (unlikely(gpio_request(104, "ETH_RESET_N"))) {
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printk(KERN_ERR "Can't get hold of GPIO 104 to bring Ethernet "
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"PHY out of reset\n");
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return -EIO;
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}
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gpio_direction_output(104, 1);
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gpio_free(104);
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return 0;
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}
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struct pxa168_eth_platform_data gplugd_eth_platform_data = {
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.port_number = 0,
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.phy_addr = 0,
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.speed = 0, /* Autonagotiation */
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.init = gplugd_eth_init,
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};
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static void __init select_disp_freq(void)
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{
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/* set GPIO 35 & clear GPIO 85 to set LCD External Clock to 74.25 MHz */
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if (unlikely(gpio_request(35, "DISP_FREQ_SEL"))) {
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printk(KERN_ERR "Can't get hold of GPIO 35 to select display "
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"frequency\n");
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} else {
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gpio_direction_output(35, 1);
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gpio_free(104);
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}
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if (unlikely(gpio_request(85, "DISP_FREQ_SEL_2"))) {
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printk(KERN_ERR "Can't get hold of GPIO 85 to select display "
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"frequency\n");
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} else {
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gpio_direction_output(85, 0);
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gpio_free(104);
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}
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}
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static void __init gplugd_init(void)
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{
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mfp_config(ARRAY_AND_SIZE(gplugd_pin_config));
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select_disp_freq();
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/* on-chip devices */
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pxa168_add_uart(3);
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pxa168_add_ssp(0);
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pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info));
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pxa168_add_eth(&gplugd_eth_platform_data);
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}
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MACHINE_START(SHEEVAD, "PXA168-based GuruPlug Display (gplugD) Platform")
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.map_io = mmp_map_io,
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.nr_irqs = IRQ_BOARD_START,
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.init_irq = pxa168_init_irq,
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.timer = &pxa168_timer,
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.init_machine = gplugd_init,
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MACHINE_END
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@ -0,0 +1,52 @@
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/*
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* linux/arch/arm/mach-mmp/include/mach/mfp-gplugd.h
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*
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* MFP definitions used in gplugD
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __MACH_MFP_GPLUGD_H
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#define __MACH_MFP_GPLUGD_H
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#include <plat/mfp.h>
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#include <mach/mfp.h>
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/* UART3 */
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#define GPIO8_UART3_SOUT MFP_CFG(GPIO8, AF2)
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#define GPIO9_UART3_SIN MFP_CFG(GPIO9, AF2)
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#define GPI1O_UART3_CTS MFP_CFG(GPIO10, AF2)
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#define GPI11_UART3_RTS MFP_CFG(GPIO11, AF2)
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/* MMC2 */
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#define GPIO28_MMC2_CMD MFP_CFG_DRV(GPIO28, AF6, FAST)
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#define GPIO29_MMC2_CLK MFP_CFG_DRV(GPIO29, AF6, FAST)
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#define GPIO30_MMC2_DAT0 MFP_CFG_DRV(GPIO30, AF6, FAST)
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#define GPIO31_MMC2_DAT1 MFP_CFG_DRV(GPIO31, AF6, FAST)
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#define GPIO32_MMC2_DAT2 MFP_CFG_DRV(GPIO32, AF6, FAST)
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#define GPIO33_MMC2_DAT3 MFP_CFG_DRV(GPIO33, AF6, FAST)
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/* I2S */
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#undef GPIO114_I2S_FRM
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#undef GPIO115_I2S_BCLK
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#define GPIO114_I2S_FRM MFP_CFG_DRV(GPIO114, AF1, FAST)
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#define GPIO115_I2S_BCLK MFP_CFG_DRV(GPIO115, AF1, FAST)
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#define GPIO116_I2S_TXD MFP_CFG_DRV(GPIO116, AF1, FAST)
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/* MMC4 */
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#define GPIO125_MMC4_DAT3 MFP_CFG_DRV(GPIO125, AF7, FAST)
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#define GPIO126_MMC4_DAT2 MFP_CFG_DRV(GPIO126, AF7, FAST)
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#define GPIO127_MMC4_DAT1 MFP_CFG_DRV(GPIO127, AF7, FAST)
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#define GPIO0_2_MMC4_DAT0 MFP_CFG_DRV(GPIO0_2, AF7, FAST)
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#define GPIO1_2_MMC4_CMD MFP_CFG_DRV(GPIO1_2, AF7, FAST)
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#define GPIO2_2_MMC4_CLK MFP_CFG_DRV(GPIO2_2, AF7, FAST)
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/* OTG GPIO */
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#define GPIO_USB_OTG_PEN 18
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#define GPIO_USB_OIDIR 20
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/* Other GPIOs are 35, 84, 85 */
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#endif /* __MACH_MFP_GPLUGD_H */
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