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authorYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 12:17:53 -0700
committerYunhong Jiang <yunhong.jiang@intel.com>2015-08-04 15:44:42 -0700
commit9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch)
tree1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/arch/arm/mach-mmp/ttc_dkb.c
parent98260f3884f4a202f9ca5eabed40b1354c489b29 (diff)
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/arch/arm/mach-mmp/ttc_dkb.c')
-rw-r--r--kernel/arch/arm/mach-mmp/ttc_dkb.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-mmp/ttc_dkb.c b/kernel/arch/arm/mach-mmp/ttc_dkb.c
new file mode 100644
index 000000000..ac4af81de
--- /dev/null
+++ b/kernel/arch/arm/mach-mmp/ttc_dkb.c
@@ -0,0 +1,315 @@
+/*
+ * linux/arch/arm/mach-mmp/ttc_dkb.c
+ *
+ * Support for the Marvell PXA910-based TTC_DKB Development 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 <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/onenand.h>
+#include <linux/interrupt.h>
+#include <linux/platform_data/pca953x.h>
+#include <linux/gpio.h>
+#include <linux/gpio-pxa.h>
+#include <linux/mfd/88pm860x.h>
+#include <linux/platform_data/mv_usb.h>
+#include <linux/spi/spi.h>
+#include <linux/delay.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-pxa910.h>
+#include <mach/pxa910.h>
+#include <mach/irqs.h>
+#include <mach/regs-usb.h>
+
+#include "common.h"
+
+#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \
+ ((x < 16) ? x : 15)))
+#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
+ ((x < 16) ? x : 15)))
+
+/*
+ * 16 board interrupts -- MAX7312 GPIO expander
+ * 16 board interrupts -- PCA9575 GPIO expander
+ * 24 board interrupts -- 88PM860x PMIC
+ */
+#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24)
+
+static unsigned long ttc_dkb_pin_config[] __initdata = {
+ /* UART2 */
+ GPIO47_UART2_RXD,
+ GPIO48_UART2_TXD,
+
+ /* DFI */
+ DF_IO0_ND_IO0,
+ DF_IO1_ND_IO1,
+ DF_IO2_ND_IO2,
+ DF_IO3_ND_IO3,
+ DF_IO4_ND_IO4,
+ DF_IO5_ND_IO5,
+ DF_IO6_ND_IO6,
+ DF_IO7_ND_IO7,
+ DF_IO8_ND_IO8,
+ DF_IO9_ND_IO9,
+ DF_IO10_ND_IO10,
+ DF_IO11_ND_IO11,
+ DF_IO12_ND_IO12,
+ DF_IO13_ND_IO13,
+ DF_IO14_ND_IO14,
+ DF_IO15_ND_IO15,
+ DF_nCS0_SM_nCS2_nCS0,
+ DF_ALE_SM_WEn_ND_ALE,
+ DF_CLE_SM_OEn_ND_CLE,
+ DF_WEn_DF_WEn,
+ DF_REn_DF_REn,
+ DF_RDY0_DF_RDY0,
+};
+
+static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
+ .irq_base = MMP_GPIO_TO_IRQ(0),
+};
+
+static struct mtd_partition ttc_dkb_onenand_partitions[] = {
+ {
+ .name = "bootloader",
+ .offset = 0,
+ .size = SZ_1M,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_128K,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "reserved",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_8M,
+ .mask_flags = MTD_WRITEABLE,
+ }, {
+ .name = "kernel",
+ .offset = MTDPART_OFS_APPEND,
+ .size = (SZ_2M + SZ_1M),
+ .mask_flags = 0,
+ }, {
+ .name = "filesystem",
+ .offset = MTDPART_OFS_APPEND,
+ .size = SZ_32M + SZ_16M,
+ .mask_flags = 0,
+ }
+};
+
+static struct onenand_platform_data ttc_dkb_onenand_info = {
+ .parts = ttc_dkb_onenand_partitions,
+ .nr_parts = ARRAY_SIZE(ttc_dkb_onenand_partitions),
+};
+
+static struct resource ttc_dkb_resource_onenand[] = {
+ [0] = {
+ .start = SMC_CS0_PHYS_BASE,
+ .end = SMC_CS0_PHYS_BASE + SZ_1M,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device ttc_dkb_device_onenand = {
+ .name = "onenand-flash",
+ .id = -1,
+ .resource = ttc_dkb_resource_onenand,
+ .num_resources = ARRAY_SIZE(ttc_dkb_resource_onenand),
+ .dev = {
+ .platform_data = &ttc_dkb_onenand_info,
+ },
+};
+
+static struct platform_device *ttc_dkb_devices[] = {
+ &pxa910_device_gpio,
+ &pxa910_device_rtc,
+ &ttc_dkb_device_onenand,
+};
+
+static struct pca953x_platform_data max7312_data[] = {
+ {
+ .gpio_base = TTCDKB_GPIO_EXT0(0),
+ .irq_base = MMP_NR_IRQS,
+ },
+};
+
+static struct pm860x_platform_data ttc_dkb_pm8607_info = {
+ .irq_base = IRQ_BOARD_START,
+};
+
+static struct i2c_board_info ttc_dkb_i2c_info[] = {
+ {
+ .type = "88PM860x",
+ .addr = 0x34,
+ .platform_data = &ttc_dkb_pm8607_info,
+ .irq = IRQ_PXA910_PMIC_INT,
+ },
+ {
+ .type = "max7312",
+ .addr = 0x23,
+ .irq = MMP_GPIO_TO_IRQ(80),
+ .platform_data = &max7312_data,
+ },
+};
+
+#if IS_ENABLED(CONFIG_USB_SUPPORT)
+#if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
+
+static struct mv_usb_platform_data ttc_usb_pdata = {
+ .vbus = NULL,
+ .mode = MV_USB_MODE_OTG,
+ .otg_force_a_bus_req = 1,
+ .phy_init = pxa_usb_phy_init,
+ .phy_deinit = pxa_usb_phy_deinit,
+ .set_vbus = NULL,
+};
+#endif
+#endif
+
+#if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx)
+static struct pxa3xx_nand_platform_data dkb_nand_info = {
+ .enable_arbiter = 1,
+ .num_cs = 1,
+};
+#endif
+
+#if IS_ENABLED(CONFIG_MMP_DISP)
+/* path config */
+#define CFG_IOPADMODE(iopad) (iopad) /* 0x0 ~ 0xd */
+#define SCLK_SOURCE_SELECT(x) (x << 30) /* 0x0 ~ 0x3 */
+/* link config */
+#define CFG_DUMBMODE(mode) (mode << 28) /* 0x0 ~ 0x6*/
+static struct mmp_mach_path_config dkb_disp_config[] = {
+ [0] = {
+ .name = "mmp-parallel",
+ .overlay_num = 2,
+ .output_type = PATH_OUT_PARALLEL,
+ .path_config = CFG_IOPADMODE(0x1)
+ | SCLK_SOURCE_SELECT(0x1),
+ .link_config = CFG_DUMBMODE(0x2),
+ },
+};
+
+static struct mmp_mach_plat_info dkb_disp_info = {
+ .name = "mmp-disp",
+ .clk_name = "disp0",
+ .path_num = 1,
+ .paths = dkb_disp_config,
+};
+
+static struct mmp_buffer_driver_mach_info dkb_fb_info = {
+ .name = "mmp-fb",
+ .path_name = "mmp-parallel",
+ .overlay_id = 0,
+ .dmafetch_id = 1,
+ .default_pixfmt = PIXFMT_RGB565,
+};
+
+static void dkb_tpo_panel_power(int on)
+{
+ int err;
+ u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
+
+ if (on) {
+ err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
+ if (err) {
+ pr_err("failed to request GPIO for TPO LCD RESET\n");
+ return;
+ }
+ gpio_direction_output(spi_reset, 0);
+ udelay(100);
+ gpio_set_value(spi_reset, 1);
+ gpio_free(spi_reset);
+ } else {
+ err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
+ if (err) {
+ pr_err("failed to request LCD RESET gpio\n");
+ return;
+ }
+ gpio_set_value(spi_reset, 0);
+ gpio_free(spi_reset);
+ }
+}
+
+static struct mmp_mach_panel_info dkb_tpo_panel_info = {
+ .name = "tpo-hvga",
+ .plat_path_name = "mmp-parallel",
+ .plat_set_onoff = dkb_tpo_panel_power,
+};
+
+static struct spi_board_info spi_board_info[] __initdata = {
+ {
+ .modalias = "tpo-hvga",
+ .platform_data = &dkb_tpo_panel_info,
+ .bus_num = 5,
+ }
+};
+
+static void __init add_disp(void)
+{
+ pxa_register_device(&pxa910_device_disp,
+ &dkb_disp_info, sizeof(dkb_disp_info));
+ spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
+ pxa_register_device(&pxa910_device_fb,
+ &dkb_fb_info, sizeof(dkb_fb_info));
+ pxa_register_device(&pxa910_device_panel,
+ &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
+}
+#endif
+
+static void __init ttc_dkb_init(void)
+{
+ mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
+
+ /* on-chip devices */
+ pxa910_add_uart(1);
+#if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx)
+ pxa910_add_nand(&dkb_nand_info);
+#endif
+
+ /* off-chip devices */
+ pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
+ platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
+ sizeof(struct pxa_gpio_platform_data));
+ platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
+
+#if IS_ENABLED(CONFIG_USB_MV_UDC)
+ pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
+ platform_device_register(&pxa168_device_u2o);
+#endif
+
+#if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
+ pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
+ platform_device_register(&pxa168_device_u2oehci);
+#endif
+
+#if IS_ENABLED(CONFIG_USB_MV_OTG)
+ pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
+ platform_device_register(&pxa168_device_u2ootg);
+#endif
+
+#if IS_ENABLED(CONFIG_MMP_DISP)
+ add_disp();
+#endif
+}
+
+MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
+ .map_io = mmp_map_io,
+ .nr_irqs = TTCDKB_NR_IRQS,
+ .init_irq = pxa910_init_irq,
+ .init_time = pxa910_timer_init,
+ .init_machine = ttc_dkb_init,
+ .restart = mmp_restart,
+MACHINE_END