@@ -48,6 +48,7 @@ config MACH_MX28EVK
select MXS_HAVE_PLATFORM_FLEXCAN
select MXS_HAVE_PLATFORM_MXS_MMC
select MXS_HAVE_PLATFORM_MXSFB
+ select MXS_HAVE_PLATFORM_MXS_SAIF
select MXS_OCOTP
help
Include support for MX28EVK platform. This includes specific
@@ -11,6 +11,7 @@
#include <mach/mx28.h>
#include <mach/devices-common.h>
#include <mach/mxsfb.h>
+#include <mach/audio.h>
extern const struct amba_device mx28_duart_device __initconst;
#define mx28_add_duart() \
@@ -45,3 +46,9 @@ extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst;
struct platform_device *__init mx28_add_mxsfb(
const struct mxsfb_platform_data *pdata);
+
+extern const struct mxs_saif_data mx28_saif_data[] __initconst;
+#define mx28_add_saif(id) mxs_add_saif(&mx28_saif_data[id])
+
+struct platform_device *__init mx28_add_audio(
+ const struct mxs_audio_platform_data *pdata);
@@ -23,3 +23,6 @@ config MXS_HAVE_PLATFORM_MXS_PWM
config MXS_HAVE_PLATFORM_MXSFB
bool
+
+config MXS_HAVE_PLATFORM_MXS_SAIF
+ bool
@@ -8,3 +8,4 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
obj-y += platform-gpio-mxs.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_SAIF) += platform-mxs-saif.o
new file mode 100644
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_saif_data_entry_single(soc, _id) \
+ { \
+ .id = _id, \
+ .iobase = soc ## _SAIF ## _id ## _BASE_ADDR, \
+ .irq = soc ## _INT_SAIF ## _id, \
+ .dma = soc ## _DMA_SAIF ## _id, \
+ .dmairq = soc ## _INT_SAIF ## _id ##_DMA, \
+ }
+
+#define mxs_saif_data_entry(soc, _id) \
+ [_id] = mxs_saif_data_entry_single(soc, _id)
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_saif_data mx28_saif_data[] __initconst = {
+ mxs_saif_data_entry(MX28, 0),
+ mxs_saif_data_entry(MX28, 1),
+};
+#endif
+
+struct platform_device *__init mxs_add_saif(const struct mxs_saif_data *data)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->irq,
+ .end = data->irq,
+ .flags = IORESOURCE_IRQ,
+ }, {
+ .start = data->dma,
+ .end = data->dma,
+ .flags = IORESOURCE_DMA,
+ }, {
+ .start = data->dmairq,
+ .end = data->dmairq,
+ .flags = IORESOURCE_IRQ,
+ },
+
+ };
+
+ return mxs_add_platform_device("mxs-saif", data->id, res,
+ ARRAY_SIZE(res), NULL, 0);
+}
@@ -92,3 +92,15 @@ struct platform_device *__init mxs_add_mxs_mmc(
/* pwm */
struct platform_device *__init mxs_add_mxs_pwm(
resource_size_t iobase, int id);
+
+/* saif */
+struct mxs_saif_data {
+ int id;
+ resource_size_t iobase;
+ resource_size_t irq;
+ resource_size_t dma;
+ resource_size_t dmairq;
+};
+
+struct platform_device *__init mxs_add_saif(
+ const struct mxs_saif_data *data);
@@ -40,6 +40,8 @@
#define MX28EVK_MMC0_SLOT_POWER MXS_GPIO_NR(3, 28)
#define MX28EVK_MMC1_SLOT_POWER MXS_GPIO_NR(3, 29)
+#define DIGCTRL_BASE_ADDR MX28_IO_ADDRESS(MX28_DIGCTL_BASE_ADDR)
+
static const iomux_cfg_t mx28evk_pads[] __initconst = {
/* duart */
MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
@@ -183,6 +185,18 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
/* led */
MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
+
+ /* saif0 & saif1 */
+ MX28_PAD_SAIF0_MCLK__SAIF0_MCLK |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+ MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 |
+ (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
};
/* led */
@@ -392,6 +406,12 @@ static void __init mx28evk_init(void)
mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
+ mx28_add_saif(0);
+ mx28_add_saif(1);
+
+ /*set the saif clk mux, both saif0/saif1 use saif0 clk*/
+ __raw_writel(0x2 << 10, DIGCTRL_BASE_ADDR);
+
/* power on mmc slot by writing 0 to the gpio */
ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
"mmc0-slot-power");
Signed-off-by: Dong Aisheng <b29396@freescale.com> --- arch/arm/mach-mxs/Kconfig | 1 + arch/arm/mach-mxs/devices-mx28.h | 7 +++ arch/arm/mach-mxs/devices/Kconfig | 3 + arch/arm/mach-mxs/devices/Makefile | 1 + arch/arm/mach-mxs/devices/platform-mxs-saif.c | 60 +++++++++++++++++++++++ arch/arm/mach-mxs/include/mach/devices-common.h | 12 +++++ arch/arm/mach-mxs/mach-mx28evk.c | 20 ++++++++ 7 files changed, 104 insertions(+), 0 deletions(-)