1 files changed, 233 insertions, 0 deletions

diff --git a/arch/arm/mach-imx/pcm970-baseboard.c b/arch/arm/mach-imx/pcm970-baseboard.c
new file mode 100644
index 000000000000..f490a406d57e
--- /dev/null
+++ b/arch/arm/mach-imx/pcm970-baseboard.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/gpio.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/can/platform/sja1000.h>
+
+#include <asm/mach/arch.h>
+
+#include <mach/common.h>
+#include <mach/iomux-mx27.h>
+#include <mach/imxfb.h>
+#include <mach/hardware.h>
+#include <mach/mmc.h>
+
+#include "devices.h"
+
+static int pcm970_pins[] = {
+        /* SDHC */
+        PB4_PF_SD2_D0,
+        PB5_PF_SD2_D1,
+        PB6_PF_SD2_D2,
+        PB7_PF_SD2_D3,
+        PB8_PF_SD2_CMD,
+        PB9_PF_SD2_CLK,
+        /* display */
+        PA5_PF_LSCLK,
+        PA6_PF_LD0,
+        PA7_PF_LD1,
+        PA8_PF_LD2,
+        PA9_PF_LD3,
+        PA10_PF_LD4,
+        PA11_PF_LD5,
+        PA12_PF_LD6,
+        PA13_PF_LD7,
+        PA14_PF_LD8,
+        PA15_PF_LD9,
+        PA16_PF_LD10,
+        PA17_PF_LD11,
+        PA18_PF_LD12,
+        PA19_PF_LD13,
+        PA20_PF_LD14,
+        PA21_PF_LD15,
+        PA22_PF_LD16,
+        PA23_PF_LD17,
+        PA24_PF_REV,
+        PA25_PF_CLS,
+        PA26_PF_PS,
+        PA27_PF_SPL_SPR,
+        PA28_PF_HSYNC,
+        PA29_PF_VSYNC,
+        PA30_PF_CONTRAST,
+        PA31_PF_OE_ACD,
+        /*
+         * it seems the data line misses a pullup, so we must enable
+         * the internal pullup as a local workaround
+         */
+        PD17_PF_I2C_DATA | GPIO_PUEN,
+        PD18_PF_I2C_CLK,
+        /* Camera */
+        PB10_PF_CSI_D0,
+        PB11_PF_CSI_D1,
+        PB12_PF_CSI_D2,
+        PB13_PF_CSI_D3,
+        PB14_PF_CSI_D4,
+        PB15_PF_CSI_MCLK,
+        PB16_PF_CSI_PIXCLK,
+        PB17_PF_CSI_D5,
+        PB18_PF_CSI_D6,
+        PB19_PF_CSI_D7,
+        PB20_PF_CSI_VSYNC,
+        PB21_PF_CSI_HSYNC,
+};
+
+static int pcm970_sdhc2_get_ro(struct device *dev)
+{
+        return gpio_get_value(GPIO_PORTC + 28);
+}
+
+static int pcm970_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data)
+{
+        int ret;
+
+        ret = request_irq(IRQ_GPIOC(29), detect_irq, IRQF_TRIGGER_FALLING,
+                                "imx-mmc-detect", data);
+        if (ret)
+                return ret;
+
+        ret = gpio_request(GPIO_PORTC + 28, "imx-mmc-ro");
+        if (ret) {
+                free_irq(IRQ_GPIOC(29), data);
+                return ret;
+        }
+
+        gpio_direction_input(GPIO_PORTC + 28);
+
+        return 0;
+}
+
+static void pcm970_sdhc2_exit(struct device *dev, void *data)
+{
+        free_irq(IRQ_GPIOC(29), data);
+        gpio_free(GPIO_PORTC + 28);
+}
+
+static struct imxmmc_platform_data sdhc_pdata = {
+        .get_ro = pcm970_sdhc2_get_ro,
+        .init = pcm970_sdhc2_init,
+        .exit = pcm970_sdhc2_exit,
+};
+
+static struct imx_fb_videomode pcm970_modes[] = {
+        {
+                .mode = {
+                        .name           = "Sharp-LQ035Q7",
+                        .refresh        = 60,
+                        .xres           = 240,
+                        .yres           = 320,
+                        .pixclock       = 188679, /* in ps (5.3MHz) */
+                        .hsync_len      = 7,
+                        .left_margin    = 5,
+                        .right_margin   = 16,
+                        .vsync_len      = 1,
+                        .upper_margin   = 7,
+                        .lower_margin   = 9,
+                },
+                /*
+                 * - HSYNC active high
+                 * - VSYNC active high
+                 * - clk notenabled while idle
+                 * - clock not inverted
+                 * - data not inverted
+                 * - data enable low active
+                 * - enable sharp mode
+                 */
+                .pcr            = 0xF00080C0,
+                .bpp            = 16,
+        }, {
+                .mode = {
+                        .name           = "TX090",
+                        .refresh        = 60,
+                        .xres           = 240,
+                        .yres           = 320,
+                        .pixclock       = 38255,
+                        .left_margin    = 144,
+                        .right_margin   = 0,
+                        .upper_margin   = 7,
+                        .lower_margin   = 40,
+                        .hsync_len      = 96,
+                        .vsync_len      = 1,
+                },
+                /*
+                 * - HSYNC active low (1 << 22)
+                 * - VSYNC active low (1 << 23)
+                 * - clk notenabled while idle
+                 * - clock not inverted
+                 * - data not inverted
+                 * - data enable low active
+                 * - enable sharp mode
+                 */
+                .pcr = 0xF0008080 | (1<<22) | (1<<23) | (1<<19),
+                .bpp = 32,
+        },
+};
+
+static struct imx_fb_platform_data pcm038_fb_data = {
+        .mode = pcm970_modes,
+        .num_modes = ARRAY_SIZE(pcm970_modes),
+
+        .pwmr           = 0x00A903FF,
+        .lscr1          = 0x00120300,
+        .dmacr          = 0x00020010,
+};
+
+static struct resource pcm970_sja1000_resources[] = {
+        {
+                .start   = MX27_CS4_BASE_ADDR,
+                .end     = MX27_CS4_BASE_ADDR + 0x100 - 1,
+                .flags   = IORESOURCE_MEM,
+        }, {
+                .start   = IRQ_GPIOE(19),
+                .end     = IRQ_GPIOE(19),
+                .flags   = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
+        },
+};
+
+struct sja1000_platform_data pcm970_sja1000_platform_data = {
+        .osc_freq       = 16000000,
+        .ocr            = OCR_TX1_PULLDOWN | OCR_TX0_PUSHPULL,
+        .cdr            = CDR_CBP,
+};
+
+static struct platform_device pcm970_sja1000 = {
+        .name = "sja1000_platform",
+        .dev = {
+                .platform_data = &pcm970_sja1000_platform_data,
+        },
+        .resource = pcm970_sja1000_resources,
+        .num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
+};
+
+/*
+ * system init for baseboard usage. Will be called by pcm038 init.
+ *
+ * Add platform devices present on this baseboard and init
+ * them from CPU side as far as required to use them later on
+ */
+void __init pcm970_baseboard_init(void)
+{
+        mxc_gpio_setup_multiple_pins(pcm970_pins, ARRAY_SIZE(pcm970_pins),
+                        "PCM970");
+
+        mxc_register_device(&mxc_fb_device, &pcm038_fb_data);
+        mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_IN);
+        mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
+        platform_device_register(&pcm970_sja1000);
+}