[PATCH V2 0/3]Add imx51_3ds platform support

[PATCH V2 0/3]Add imx51_3ds platform support

[Jason Wang]

part3:

Diff vs V1:
drop board-mx51_3ds.h and move EXPIO_PARENT_INT definition to c file.

[PATCH V2 1/3] mx51_3ds: Add support for the imx51 3-stack board

[Jason Wang]

3-stack is a reference board from Freescale for their i.MX51 SoC.

Add board definition, Kconfig and Makefile to enable Freescale 3-stack
board.

Boot tested on a i.MX51 3-stack Rev2.0 board

Signed-off-by: Jason Wang <jason77.wang@gmail.com>
---
 arch/arm/mach-mx5/Kconfig          |    6 ++
 arch/arm/mach-mx5/Makefile         |    2 +-
 arch/arm/mach-mx5/board-mx51_3ds.c |  103 ++++++++++++++++++++++++++++++++++++
 3 files changed, 110 insertions(+), 1 deletions(-)
 create mode 100644 arch/arm/mach-mx5/board-mx51_3ds.c

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 1576d51..6ef3428 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -15,4 +15,10 @@ config MACH_MX51_BABBAGE
 	  u-boot. This includes specific configurations for the board and its
 	  peripherals.
 
+config MACH_MX51_3DS
+	bool "Support MX51PDK (3DS)"
+	select MXC_DEBUG_BOARD
+	help
+	  Include support for MX51PDK (3DS) platform. This includes specific
+	  configurations for the board and its peripherals.
 endif
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index bf23f86..c757c59 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -6,4 +6,4 @@
 obj-y   := cpu.o mm.o clock-mx51.o devices.o
 
 obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
-
+obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c
new file mode 100644
index 0000000..f6a338c
--- /dev/null
+++ b/arch/arm/mach-mx5/board-mx51_3ds.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2010 Jason Wang <jason77.wang@gmail.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-mx51.h>
+#include <mach/imx-uart.h>
+#include <mach/3ds_debugboard.h>
+
+#include "devices.h"
+
+#define EXPIO_PARENT_INT	(MXC_INTERNAL_IRQS + GPIO_PORTA + 6)
+
+static struct pad_desc mx51_3ds_pads[] = {
+	/* UART1 */
+	MX51_PAD_UART1_RXD__UART1_RXD,
+	MX51_PAD_UART1_TXD__UART1_TXD,
+	MX51_PAD_UART1_RTS__UART1_RTS,
+	MX51_PAD_UART1_CTS__UART1_CTS,
+
+	/* UART2 */
+	MX51_PAD_UART2_RXD__UART2_RXD,
+	MX51_PAD_UART2_TXD__UART2_TXD,
+	MX51_PAD_EIM_D25__UART2_CTS,
+	MX51_PAD_EIM_D26__UART2_RTS,
+
+	/* UART3 */
+	MX51_PAD_UART3_RXD__UART3_RXD,
+	MX51_PAD_UART3_TXD__UART3_TXD,
+	MX51_PAD_EIM_D24__UART3_CTS,
+	MX51_PAD_EIM_D27__UART3_RTS,
+
+	/* CPLD PARENT IRQ PIN */
+	MX51_PAD_GPIO_1_6__GPIO_1_6,
+};
+
+/* Serial ports */
+#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static inline void mxc_init_imx_uart(void)
+{
+	mxc_register_device(&mxc_uart_device0, &uart_pdata);
+	mxc_register_device(&mxc_uart_device1, &uart_pdata);
+	mxc_register_device(&mxc_uart_device2, &uart_pdata);
+}
+#else /* !SERIAL_IMX */
+static inline void mxc_init_imx_uart(void)
+{
+}
+#endif /* SERIAL_IMX */
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx51_3ds_pads,
+					ARRAY_SIZE(mx51_3ds_pads));
+	mxc_init_imx_uart();
+
+	if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT))
+		printk(KERN_WARNING "Init of the debugboard failed, all "
+				    "devices on the board are unusable.\n");
+}
+
+static void __init mx51_3ds_timer_init(void)
+{
+	mx51_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mxc_timer = {
+	.init	= mx51_3ds_timer_init,
+};
+
+MACHINE_START(MX51_3DS, "Freescale MX51 3-Stack Board")
+	/* Maintainer: Freescale Semiconductor, Inc. */
+	.phys_io = MX51_AIPS1_BASE_ADDR,
+	.io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params = PHYS_OFFSET + 0x100,
+	.map_io = mx51_map_io,
+	.init_irq = mx51_init_irq,
+	.init_machine = mxc_board_init,
+	.timer = &mxc_timer,
+MACHINE_END
-- 
1.5.6.5

[PATCH V2 2/3] mx51: add imx_keypad device definition for mx51 platforms

[Jason Wang]

add imx_keypad platform device definition and clocks for mx51
platforms.

Signed-off-by: Jason Wang <jason77.wang@gmail.com>
---
 arch/arm/mach-mx5/clock-mx51.c |    5 +++++
 arch/arm/mach-mx5/devices.c    |   19 +++++++++++++++++++
 arch/arm/mach-mx5/devices.h    |    1 +
 3 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index d9f612d..60fced6 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -758,6 +758,10 @@ static struct clk gpt_32k_clk = {
 	.parent = &ckil_clk,
 };
 
+static struct clk kpp_clk = {
+	.id = 0,
+};
+
 #define DEFINE_CLOCK(name, i, er, es, gr, sr, p, s)	\
 	static struct clk name = {			\
 		.id		= i,			\
@@ -821,6 +825,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("mxc-ehci.1", "usb_ahb", ahb_clk)
 	_REGISTER_CLOCK("fsl-usb2-udc", "usb", usboh3_clk)
 	_REGISTER_CLOCK("fsl-usb2-udc", "usb_ahb", ahb_clk)
+	_REGISTER_CLOCK("imx-keypad.0", NULL, kpp_clk)
 };
 
 static void clk_tree_init(void)
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 7130449..2aa4ea0 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -168,6 +168,25 @@ struct platform_device mxc_wdt = {
 	.resource = mxc_wdt_resources,
 };
 
+static struct resource mxc_kpp_resources[] = {
+	{
+		.start = MX51_MXC_INT_KPP,
+		.end = MX51_MXC_INT_KPP,
+		.flags = IORESOURCE_IRQ,
+	} , {
+		.start = MX51_KPP_BASE_ADDR,
+		.end = MX51_KPP_BASE_ADDR + 0x8 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+};
+
+struct platform_device mxc_keypad_device = {
+	.name = "imx-keypad",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mxc_kpp_resources),
+	.resource = mxc_kpp_resources,
+};
+
 static struct mxc_gpio_port mxc_gpio_ports[] = {
 	{
 		.chip.label = "gpio-0",
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
index a853933..e509cfa 100644
--- a/arch/arm/mach-mx5/devices.h
+++ b/arch/arm/mach-mx5/devices.h
@@ -9,3 +9,4 @@ extern struct platform_device mxc_wdt;
 extern struct platform_device mxc_i2c_device0;
 extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_hsi2c_device;
+extern struct platform_device mxc_keypad_device;
-- 
1.5.6.5

[PATCH V2 3/3] mx51_3ds: add keypad support on 3ds platform

[Jason Wang]

Add keymaps and imx_keypad device registration for imx51_3ds board.

Signed-off-by: Jason Wang <jason77.wang@gmail.com>
---
 arch/arm/mach-mx5/board-mx51_3ds.c |   61 ++++++++++++++++++++++++++++++++++++
 1 files changed, 61 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-mx5/board-mx51_3ds.c b/arch/arm/mach-mx5/board-mx51_3ds.c
index f6a338c..f95c2fd 100644
--- a/arch/arm/mach-mx5/board-mx51_3ds.c
+++ b/arch/arm/mach-mx5/board-mx51_3ds.c
@@ -12,6 +12,7 @@
 
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/input/matrix_keypad.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -48,6 +49,18 @@ static struct pad_desc mx51_3ds_pads[] = {
 
 	/* CPLD PARENT IRQ PIN */
 	MX51_PAD_GPIO_1_6__GPIO_1_6,
+
+	/* KPP */
+	MX51_PAD_KEY_ROW0__KEY_ROW0,
+	MX51_PAD_KEY_ROW1__KEY_ROW1,
+	MX51_PAD_KEY_ROW2__KEY_ROW2,
+	MX51_PAD_KEY_ROW3__KEY_ROW3,
+	MX51_PAD_KEY_COL0__KEY_COL0,
+	MX51_PAD_KEY_COL1__KEY_COL1,
+	MX51_PAD_KEY_COL2__KEY_COL2,
+	MX51_PAD_KEY_COL3__KEY_COL3,
+	MX51_PAD_KEY_COL4__KEY_COL4,
+	MX51_PAD_KEY_COL5__KEY_COL5,
 };
 
 /* Serial ports */
@@ -68,6 +81,52 @@ static inline void mxc_init_imx_uart(void)
 }
 #endif /* SERIAL_IMX */
 
+#if defined(CONFIG_KEYBOARD_IMX) || defined(CONFIG_KEYBOARD_IMX_MODULE)
+static int mx51_3ds_board_keymap[] = {
+	KEY(0, 0, KEY_1),
+	KEY(0, 1, KEY_2),
+	KEY(0, 2, KEY_3),
+	KEY(0, 3, KEY_F1),
+	KEY(0, 4, KEY_UP),
+	KEY(0, 5, KEY_F2),
+
+	KEY(1, 0, KEY_4),
+	KEY(1, 1, KEY_5),
+	KEY(1, 2, KEY_6),
+	KEY(1, 3, KEY_LEFT),
+	KEY(1, 4, KEY_SELECT),
+	KEY(1, 5, KEY_RIGHT),
+
+	KEY(2, 0, KEY_7),
+	KEY(2, 1, KEY_8),
+	KEY(2, 2, KEY_9),
+	KEY(2, 3, KEY_F3),
+	KEY(2, 4, KEY_DOWN),
+	KEY(2, 5, KEY_F4),
+
+	KEY(3, 0, KEY_0),
+	KEY(3, 1, KEY_OK),
+	KEY(3, 2, KEY_ESC),
+	KEY(3, 3, KEY_ENTER),
+	KEY(3, 4, KEY_MENU),
+	KEY(3, 5, KEY_BACK)
+};
+
+static struct matrix_keymap_data mx51_3ds_map_data = {
+	.keymap		= mx51_3ds_board_keymap,
+	.keymap_size	= ARRAY_SIZE(mx51_3ds_board_keymap),
+};
+
+static void mxc_init_keypad(void)
+{
+	mxc_register_device(&mxc_keypad_device, &mx51_3ds_map_data);
+}
+#else
+static inline void mxc_init_keypad(void)
+{
+}
+#endif
+
 /*
  * Board specific initialization.
  */
@@ -80,6 +139,8 @@ static void __init mxc_board_init(void)
 	if (mxc_expio_init(MX51_CS5_BASE_ADDR, EXPIO_PARENT_INT))
 		printk(KERN_WARNING "Init of the debugboard failed, all "
 				    "devices on the board are unusable.\n");
+
+	mxc_init_keypad();
 }
 
 static void __init mx51_3ds_timer_init(void)
-- 
1.5.6.5