Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable

7 files changed, 116 insertions, 3 deletions

diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index a2df9ac37996..3ec910a7a182 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -6,6 +6,7 @@ config ARCH_MX51
 	select MXC_TZIC
 	select ARCH_MXC_IOMUX_V3
 	select ARCH_MXC_AUDMUX_V2
+	select ARCH_HAS_CPUFREQ
 
 comment "MX5 platforms:"
 
@@ -13,6 +14,7 @@ config MACH_MX51_BABBAGE
 	bool "Support MX51 BABBAGE platforms"
 	select IMX_HAVE_PLATFORM_IMX_I2C
 	select IMX_HAVE_PLATFORM_IMX_UART
+	select IMX_HAVE_PLATFORM_ESDHC
 	help
 	  Include support for MX51 Babbage platform, also known as MX51EVK in
 	  u-boot. This includes specific configurations for the board and its
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 1769c161a60d..462f177eddfe 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -5,6 +5,7 @@
 # Object file lists.
 obj-y   := cpu.o mm.o clock-mx51.o devices.o
 
+obj-$(CONFIG_CPU_FREQ_IMX)    += cpu_op-mx51.o
 obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
 obj-$(CONFIG_MACH_MX51_3DS) += board-mx51_3ds.o
 obj-$(CONFIG_MACH_EUKREA_CPUIMX51) += board-cpuimx51.o
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
index 0821fe9b3b27..acbe30df2e69 100644
--- a/arch/arm/mach-mx5/board-mx51_babbage.c
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
  *
  * The code contained herein is licensed under the GNU General Public
@@ -18,6 +18,8 @@
 #include <linux/io.h>
 #include <linux/fsl_devices.h>
 #include <linux/fec.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -32,11 +34,13 @@
 
 #include "devices-imx51.h"
 #include "devices.h"
+#include "cpu_op-mx51.h"
 
 #define BABBAGE_USB_HUB_RESET	(0*32 + 7)	/* GPIO_1_7 */
 #define BABBAGE_USBH1_STP	(0*32 + 27)	/* GPIO_1_27 */
 #define BABBAGE_PHY_RESET	(1*32 + 5)	/* GPIO_2_5 */
 #define BABBAGE_FEC_PHY_RESET	(1*32 + 14)	/* GPIO_2_14 */
+#define BABBAGE_POWER_KEY	(1*32 + 21)	/* GPIO_2_21 */
 
 /* USB_CTRL_1 */
 #define MX51_USB_CTRL_1_OFFSET			0x10
@@ -46,6 +50,21 @@
 #define	MX51_USB_PLL_DIV_19_2_MHZ	0x01
 #define	MX51_USB_PLL_DIV_24_MHZ	0x02
 
+static struct gpio_keys_button babbage_buttons[] = {
+	{
+		.gpio		= BABBAGE_POWER_KEY,
+		.code		= BTN_0,
+		.desc		= "PWR",
+		.active_low	= 1,
+		.wakeup		= 1,
+	},
+};
+
+static const struct gpio_keys_platform_data imx_button_data __initconst = {
+	.buttons	= babbage_buttons,
+	.nbuttons	= ARRAY_SIZE(babbage_buttons),
+};
+
 static struct pad_desc mx51babbage_pads[] = {
 	/* UART1 */
 	MX51_PAD_UART1_RXD__UART1_RXD,
@@ -112,6 +131,22 @@ static struct pad_desc mx51babbage_pads[] = {
 
 	/* FEC PHY reset line */
 	MX51_PAD_EIM_A20__GPIO_2_14,
+
+	/* SD 1 */
+	MX51_PAD_SD1_CMD__SD1_CMD,
+	MX51_PAD_SD1_CLK__SD1_CLK,
+	MX51_PAD_SD1_DATA0__SD1_DATA0,
+	MX51_PAD_SD1_DATA1__SD1_DATA1,
+	MX51_PAD_SD1_DATA2__SD1_DATA2,
+	MX51_PAD_SD1_DATA3__SD1_DATA3,
+
+	/* SD 2 */
+	MX51_PAD_SD2_CMD__SD2_CMD,
+	MX51_PAD_SD2_CLK__SD2_CLK,
+	MX51_PAD_SD2_DATA0__SD2_DATA0,
+	MX51_PAD_SD2_DATA1__SD2_DATA1,
+	MX51_PAD_SD2_DATA2__SD2_DATA2,
+	MX51_PAD_SD2_DATA3__SD2_DATA3,
 };
 
 /* Serial ports */
@@ -281,13 +316,22 @@ __setup("otg_mode=", babbage_otg_mode);
 static void __init mxc_board_init(void)
 {
 	struct pad_desc usbh1stp = MX51_PAD_USBH1_STP__USBH1_STP;
+	struct pad_desc power_key = MX51_PAD_EIM_A27__GPIO_2_21;
 
+#if defined(CONFIG_CPU_FREQ_IMX)
+	get_cpu_op = mx51_get_cpu_op;
+#endif
 	mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
 					ARRAY_SIZE(mx51babbage_pads));
 	mxc_init_imx_uart();
 	babbage_fec_reset();
 	imx51_add_fec(NULL);
 
+	/* Set the PAD settings for the pwr key. */
+	power_key.pad_ctrl = MX51_GPIO_PAD_CTRL_2;
+	mxc_iomux_v3_setup_pad(&power_key);
+	imx51_add_gpio_keys(&imx_button_data);
+
 	imx51_add_imx_i2c(0, &babbage_i2c_data);
 	imx51_add_imx_i2c(1, &babbage_i2c_data);
 	mxc_register_device(&mxc_hsi2c_device, &babbage_hsi2c_data);
@@ -304,6 +348,9 @@ static void __init mxc_board_init(void)
 	/* setback USBH1_STP to be function */
 	mxc_iomux_v3_setup_pad(&usbh1stp);
 	babbage_usbhub_reset();
+
+	imx51_add_esdhc(0, NULL);
+	imx51_add_esdhc(1, NULL);
 }
 
 static void __init mx51_babbage_timer_init(void)
diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
index f2aae92cf0e2..8ac36d882927 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -362,7 +362,7 @@ static int _clk_lp_apm_set_parent(struct clk *clk, struct clk *parent)
 	return 0;
 }
 
-static unsigned long clk_arm_get_rate(struct clk *clk)
+static unsigned long clk_cpu_get_rate(struct clk *clk)
 {
 	u32 cacrr, div;
 	unsigned long parent_rate;
@@ -374,6 +374,22 @@ static unsigned long clk_arm_get_rate(struct clk *clk)
 	return parent_rate / div;
 }
 
+static int clk_cpu_set_rate(struct clk *clk, unsigned long rate)
+{
+	u32 reg, cpu_podf;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+	cpu_podf = parent_rate / rate - 1;
+	/* use post divider to change freq */
+	reg = __raw_readl(MXC_CCM_CACRR);
+	reg &= ~MXC_CCM_CACRR_ARM_PODF_MASK;
+	reg |= cpu_podf << MXC_CCM_CACRR_ARM_PODF_OFFSET;
+	__raw_writel(reg, MXC_CCM_CACRR);
+
+	return 0;
+}
+
 static int _clk_periph_apm_set_parent(struct clk *clk, struct clk *parent)
 {
 	u32 reg, mux;
@@ -736,7 +752,8 @@ static struct clk periph_apm_clk = {
 
 static struct clk cpu_clk = {
 	.parent = &pll1_sw_clk,
-	.get_rate = clk_arm_get_rate,
+	.get_rate = clk_cpu_get_rate,
+	.set_rate = clk_cpu_set_rate,
 };
 
 static struct clk ahb_clk = {
@@ -1064,6 +1081,7 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("imx51-cspi.0", NULL, cspi_clk)
 	_REGISTER_CLOCK("sdhci-esdhc-imx.0", NULL, esdhc1_clk)
 	_REGISTER_CLOCK("sdhci-esdhc-imx.1", NULL, esdhc2_clk)
+	_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
 };
 
 static void clk_tree_init(void)
diff --git a/arch/arm/mach-mx5/cpu_op-mx51.c b/arch/arm/mach-mx5/cpu_op-mx51.c
new file mode 100644
index 000000000000..9d34c3d4c024
--- /dev/null
+++ b/arch/arm/mach-mx5/cpu_op-mx51.c
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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/types.h>
+#include <mach/hardware.h>
+#include <linux/kernel.h>
+
+static struct cpu_op mx51_cpu_op[] = {
+	{
+	.cpu_rate = 160000000,},
+	{
+	.cpu_rate = 800000000,},
+};
+
+struct cpu_op *mx51_get_cpu_op(int *op)
+{
+	*op = ARRAY_SIZE(mx51_cpu_op);
+	return mx51_cpu_op;
+}
diff --git a/arch/arm/mach-mx5/cpu_op-mx51.h b/arch/arm/mach-mx5/cpu_op-mx51.h
new file mode 100644
index 000000000000..97477fecb469
--- /dev/null
+++ b/arch/arm/mach-mx5/cpu_op-mx51.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright (C) 2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * 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
+ */
+
+extern struct cpu_op *mx51_get_cpu_op(int *op);
diff --git a/arch/arm/mach-mx5/devices-imx51.h b/arch/arm/mach-mx5/devices-imx51.h
index 5cc910e60538..8c50cb5d05f5 100644
--- a/arch/arm/mach-mx5/devices-imx51.h
+++ b/arch/arm/mach-mx5/devices-imx51.h
@@ -13,6 +13,8 @@ extern const struct imx_fec_data imx51_fec_data __initconst;
 #define imx51_add_fec(pdata)	\
 	imx_add_fec(&imx51_fec_data, pdata)
 
+#define imx51_add_gpio_keys(pdata) imx_add_gpio_keys(pdata)
+
 extern const struct imx_imx_i2c_data imx51_imx_i2c_data[] __initconst;
 #define imx51_add_imx_i2c(id, pdata)	\
 	imx_add_imx_i2c(&imx51_imx_i2c_data[id], pdata)