[PATCH 1/2] [ARM] pxa/sgh_i900: Basic support for the Samsung SGH-i900 (Omnia) phone.

Discussion:

(too old to reply)

y***@datenfreihafen.org

2009-06-13 23:02:53 UTC

From: Stefan Schmidt <***@datenfreihafen.org>

PWM backlight, framebuffer, internal SD storage and external SD storage are
working. Needs an up-to-date mach-types file for machine ID 2276.

Signed-off-by: Stefan Schmidt <***@datenfreihafen.org>
---
MAINTAINERS | 8 ++
arch/arm/mach-pxa/Kconfig | 5 +
arch/arm/mach-pxa/Makefile | 1 +
arch/arm/mach-pxa/sgh_i900.c | 178 ++++++++++++++++++++++++++++++++++++++++++
4 files changed, 192 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-pxa/sgh_i900.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 90f8128..ed4f046 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -818,6 +818,14 @@ F: arch/arm/mach-rpc/
F: drivers/net/arm/ether*
F: drivers/scsi/arm/

+ARM/SAMSUNG SGH i900 MACHINE SUPPORT (Omnia)
+P: Stefan Schmidt
+M: ***@datenfreihafen.org
+W: http://gnufiish.org/trac/wiki/Samsung_Omnia
+S: Maintained
+T: git git://git.openezx.org/sgh-i900.git
+F: arch/arm/mach-pxa/sgh_i900.c
+
ARM/SHARK MACHINE SUPPORT
P: Alexander Schulz
M: ***@shark-linux.de
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 17d3fbd..a35c4a6 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -281,6 +281,11 @@ config MACH_ZYLONITE
select PXA_SSP
select HAVE_PWM

+config MACH_SGH_i900
+ bool "Samsung SGH-i900 (Omnia) phone"
+ select PXA3xx
+ select HAVE_PWM
+
config MACH_LITTLETON
bool "PXA3xx Form Factor Platform (aka Littleton)"
select PXA3xx
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 682dbf4..10d11da 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -69,6 +69,7 @@ ifeq ($(CONFIG_MACH_ZYLONITE),y)
obj-$(CONFIG_CPU_PXA300) += zylonite_pxa300.o
obj-$(CONFIG_CPU_PXA320) += zylonite_pxa320.o
endif
+obj-$(CONFIG_MACH_SGH_i900) += sgh_i900.o
obj-$(CONFIG_MACH_LITTLETON) += littleton.o
obj-$(CONFIG_MACH_TAVOREVB) += tavorevb.o
obj-$(CONFIG_MACH_SAAR) += saar.o
diff --git a/arch/arm/mach-pxa/sgh_i900.c b/arch/arm/mach-pxa/sgh_i900.c
new file mode 100644
index 0000000..ff3f113
--- /dev/null
+++ b/arch/arm/mach-pxa/sgh_i900.c
@@ -0,0 +1,178 @@
+/**
+ * Support for the PXA312 based Samsung SGH-i900 (Omnia)
+ *
+ * Copyright (C) 2009 Stefan Schmidt <***@datenfreihafen.org>
+ *
+ * Based on zylonite.c Copyright (C) 2006 Marvell International Ltd.
+ *
+ * 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
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+#include <linux/pwm_backlight.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/pxafb.h>
+#include <mach/zylonite.h>
+#include <mach/mmc.h>
+
+#include "devices.h"
+#include "generic.h"
+
+#define MAX_SLOTS 3
+struct platform_mmc_slot sgh_i900_mmc_slot[MAX_SLOTS];
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct platform_pwm_backlight_data sgh_i900_backlight_data = {
+ .pwm_id = 3,
+ .max_brightness = 100,
+ .dft_brightness = 100,
+ .pwm_period_ns = 10000,
+};
+
+static struct platform_device sgh_i900_backlight_device = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm1.dev,
+ .platform_data = &sgh_i900_backlight_data,
+ },
+};
+
+static struct pxafb_mode_info sgh_i900_mode = {
+ .pixclock = 96153,
+ .xres = 240,
+ .yres = 400,
+ .bpp = 16,
+ .hsync_len = 8,
+ .left_margin = 8,
+ .right_margin = 8,
+ .vsync_len = 4,
+ .upper_margin = 38,
+ .lower_margin = 38,
+ .sync = 0,
+};
+
+static struct pxafb_mach_info sgh_i900_lcd_info = {
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+static void __init sgh_i900_init_lcd(void)
+{
+ platform_device_register(&sgh_i900_backlight_device);
+
+ sgh_i900_lcd_info.modes = &sgh_i900_mode;
+
+ set_pxa_fb_info(&sgh_i900_lcd_info);
+}
+#else
+static inline void sgh_i900_init_lcd(void) {}
+#endif
+
+#if defined(CONFIG_MMC)
+static int sgh_i900_mci_ro(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+
+ return gpio_get_value(sgh_i900_mmc_slot[pdev->id].gpio_wp);
+}
+
+static int sgh_i900_mci_init(struct device *dev,
+ irq_handler_t sgh_i900_detect_int,
+ void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int err, cd_irq, gpio_cd, gpio_wp;
+
+ cd_irq = gpio_to_irq(sgh_i900_mmc_slot[pdev->id].gpio_cd);
+ gpio_cd = sgh_i900_mmc_slot[pdev->id].gpio_cd;
+ gpio_wp = sgh_i900_mmc_slot[pdev->id].gpio_wp;
+
+ /*
+ * setup GPIO for SGH-i900 MMC controller
+ */
+ err = gpio_request(gpio_cd, "mmc card detect");
+ if (err)
+ goto err_request_cd;
+ gpio_direction_input(gpio_cd);
+
+ err = gpio_request(gpio_wp, "mmc write protect");
+ if (err)
+ goto err_request_wp;
+ gpio_direction_input(gpio_wp);
+
+ err = request_irq(cd_irq, sgh_i900_detect_int,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "MMC card detect", data);
+ if (err) {
+ printk(KERN_ERR "%s: MMC/SD/SDIO: "
+ "can't request card detect IRQ\n", __func__);
+ goto err_request_irq;
+ }
+
+ return 0;
+
+err_request_irq:
+ gpio_free(gpio_wp);
+err_request_wp:
+ gpio_free(gpio_cd);
+err_request_cd:
+ return err;
+}
+
+static void sgh_i900_mci_exit(struct device *dev, void *data)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ int cd_irq, gpio_cd, gpio_wp;
+
+ cd_irq = gpio_to_irq(sgh_i900_mmc_slot[pdev->id].gpio_cd);
+ gpio_cd = sgh_i900_mmc_slot[pdev->id].gpio_cd;
+ gpio_wp = sgh_i900_mmc_slot[pdev->id].gpio_wp;
+
+ free_irq(cd_irq, data);
+ gpio_free(gpio_cd);
+ gpio_free(gpio_wp);
+}
+
+static struct pxamci_platform_data sgh_i900_mci_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+ .init = sgh_i900_mci_init,
+ .exit = sgh_i900_mci_exit,
+ .get_ro = sgh_i900_mci_ro,
+};
+
+static struct pxamci_platform_data sgh_i900_mci2_platform_data = {
+ .detect_delay = 20,
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+};
+
+static void __init sgh_i900_init_mmc(void)
+{
+ pxa_set_mci_info(&sgh_i900_mci_platform_data);
+ pxa3xx_set_mci2_info(&sgh_i900_mci2_platform_data);
+ pxa3xx_set_mci3_info(&sgh_i900_mci_platform_data);
+}
+#else
+static inline void sgh_i900_init_mmc(void) {}
+#endif
+
+static void __init sgh_i900_init(void)
+{
+ sgh_i900_init_lcd();
+ sgh_i900_init_mmc();
+}
+
+MACHINE_START(SGH_I900, "Samsung SGH-i900 (Omnia) phone")
+ .phys_io = 0x40000000,
+ .boot_params = 0xa0000100,
+ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+ .map_io = pxa_map_io,
+ .init_irq = pxa3xx_init_irq,
+ .timer = &pxa_timer,
+ .init_machine = sgh_i900_init,
+MACHINE_END

--
1.6.3.1

-------------------------------------------------------------------
List admin: http://lists.arm.linux.org.uk/mailman/listinfo/linux-arm-kernel
FAQ: http://www.arm.linux.org.uk/mailinglists/faq.php
Etiquette: http://www.arm.linux.org.uk/mailinglists/etiquette.php

y***@datenfreihafen.org

2009-06-13 23:02:54 UTC