ENGR00123017 MX53 Add support for MLB

Add support for MLB by adding MLB MSL codes.

Signed-off-by: Xinyu Chen <xinyu.chen@freescale.com>

arch/arm/configs/imx5_defconfig

@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.31
-# Mon Apr 26 10:27:23 2010
+# Thu Apr 29 12:53:21 2010
 #
 CONFIG_ARM=y
 CONFIG_HAVE_PWM=y
@@ -1797,6 +1797,7 @@ CONFIG_GPS_IOCTRL=m
 #
 # MXC Media Local Bus Driver
 #
+CONFIG_MXC_MLB=m
 
 #
 # i.MX ADC support

arch/arm/mach-mx5/devices.c

@@ -1072,6 +1072,26 @@ static inline void mxc_init_gpu2d(void)
 }
 #endif
 
+static struct resource mlb_resources[] = {
+	[0] = {
+	       .start = MLB_BASE_ADDR,
+	       .end = MLB_BASE_ADDR + 0x300,
+	       .flags = IORESOURCE_MEM,
+	       },
+	[1] = {
+	       .start = MXC_INT_MLB,
+	       .end = MXC_INT_MLB,
+	       .flags = IORESOURCE_IRQ,
+	       },
+};
+
+struct platform_device mxc_mlb_device = {
+	.name = "mxc_mlb",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mlb_resources),
+	.resource = mlb_resources,
+};
+
 void __init mx5_init_irq(void)
 {
 	unsigned long tzic_addr;
@@ -1382,6 +1402,8 @@ int __init mxc_init_devices(void)
 		mxc_gpu2d_resources[0].end = MX53_GPU2D_BASE_ADDR + SZ_4K - 1;
 		ipu_resources[0].start = MX53_IPU_CTRL_BASE_ADDR;
 		ipu_resources[0].end = MX53_IPU_CTRL_BASE_ADDR + SZ_128M - 1;
+		mlb_resources[0].start -= MX53_OFFSET;
+		mlb_resources[0].end -= MX53_OFFSET;
 	} else if (cpu_is_mx51_rev(CHIP_REV_2_0) < 0) {
 		scc_resources[1].start += 0x8000;
 		scc_resources[1].end += 0x8000;

arch/arm/mach-mx5/devices.h

@@ -61,4 +61,4 @@ extern struct platform_device mxc_usbdr_otg_device;
 extern struct platform_device mxc_usbdr_host_device;
 extern struct platform_device mxc_usbh1_device;
 extern struct platform_device mxc_usbh2_device;
-
+extern struct platform_device mxc_mlb_device;

arch/arm/mach-mx5/dummy_gpio.c

@@ -1,5 +1,5 @@
 /*
- * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2007-2010 Freescale Semiconductor, Inc. All Rights Reserved.
  */
 
 /*
@@ -111,3 +111,9 @@ EXPORT_SYMBOL(gpio_spdif_active);
 
 void gpio_spdif_inactive(void) {}
 EXPORT_SYMBOL(gpio_spdif_inactive);
+
+void gpio_mlb_active(void) {}
+EXPORT_SYMBOL(gpio_mlb_active);
+
+void gpio_mlb_inactive(void) {}
+EXPORT_SYMBOL(gpio_mlb_inactive);

arch/arm/mach-mx5/mx53_evk.c

@@ -511,6 +511,11 @@ static struct platform_device mxc_sgtl5000_device = {
 	.name = "imx-3stack-sgtl5000",
 };
 
+static struct mxc_mlb_platform_data mlb_data = {
+	.reg_nvcc = "VCAM",
+	.mlb_clk = "mlb_clk",
+};
+
 /*!
  * Board specific fixup function. It is called by \b setup_arch() in
  * setup.c file very early on during kernel starts. It allows the user to
@@ -678,6 +683,7 @@ static void __init mxc_board_init(void)
 	pm_power_off = mxc_power_off;
 	*/
 	mxc_register_device(&mxc_sgtl5000_device, &sgtl5000_data);
+	mxc_register_device(&mxc_mlb_device, &mlb_data);
 	mx5_usb_dr_init();
 	mx5_usbh1_init();
 }

arch/arm/mach-mx5/mx53_evk_gpio.c

@@ -187,16 +187,28 @@ static struct mxc_iomux_pin_cfg __initdata mxc_iomux_pins[] = {
 	 INPUT_CTL_PATH1,
 	},
 	{
-	 MX53_PIN_GPIO_2, IOMUX_CONFIG_GPIO,
+	 MX53_PIN_GPIO_2, IOMUX_CONFIG_ALT7,
+	 (PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_PULL |
+	 PAD_CTL_DRV_HIGH),
+	 MUX_IN_MLB_MLBDAT_IN_SELECT_INPUT,
+	 INPUT_CTL_PATH2,
 	 },
 	{
-	 MX53_PIN_GPIO_3, IOMUX_CONFIG_GPIO,
+	 MX53_PIN_GPIO_3, IOMUX_CONFIG_ALT7,
+	 (PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_PULL |
+	 PAD_CTL_DRV_HIGH),
+	 MUX_IN_MLB_MLBCLK_IN_SELECT_INPUT,
+	 INPUT_CTL_PATH2,
 	 },
 	{
 	 MX53_PIN_GPIO_4, IOMUX_CONFIG_GPIO,
 	 },
 	{
-	 MX53_PIN_GPIO_6, IOMUX_CONFIG_GPIO,
+	 MX53_PIN_GPIO_6, IOMUX_CONFIG_ALT7,
+	 (PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_PULL |
+	 PAD_CTL_DRV_HIGH),
+	 MUX_IN_MLB_MLBSIG_IN_SELECT_INPUT,
+	 INPUT_CTL_PATH2,
 	 },
 	{
 	 MX53_PIN_GPIO_7, IOMUX_CONFIG_GPIO,

drivers/mxc/mlb/Kconfig

@@ -6,7 +6,7 @@ menu "MXC Media Local Bus Driver"
 
 config MXC_MLB
 	tristate "MLB support"
-	depends on ARCH_MX35
+	depends on ARCH_MX35 || ARCH_MX53
 	---help---
          Say Y to get the MLB support.