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authorKuninori Morimoto <morimoto.kuninori@renesas.com>2009-12-15 05:37:39 +0000
committerPaul Mundt <lethal@linux-sh.org>2009-12-15 22:03:08 +0900
commit1980fdc4df4778741f15f50f715cd790ccbe0a79 (patch)
treee5d0b4d9963fec759502e112937ced5f1b04e32e /arch/sh
parent9aa25d64499161048ff024cde704f912a41fad6f (diff)
downloadlinux-1980fdc4df4778741f15f50f715cd790ccbe0a79.tar.bz2
sh: mach-ecovec24: Add FSI sound support
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 89c5a715d0b6..194aaca22d47 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -27,6 +27,7 @@
#include <linux/input/sh_keysc.h>
#include <linux/mfd/sh_mobile_sdhi.h>
#include <video/sh_mobile_lcdc.h>
+#include <sound/sh_fsi.h>
#include <media/sh_mobile_ceu.h>
#include <media/tw9910.h>
#include <media/mt9t112.h>
@@ -344,6 +345,12 @@ static struct platform_device ceu1_device = {
};
/* I2C device */
+static struct i2c_board_info i2c0_devices[] = {
+ {
+ I2C_BOARD_INFO("da7210", 0x1a),
+ },
+};
+
static struct i2c_board_info i2c1_devices[] = {
{
I2C_BOARD_INFO("r2025sd", 0x32),
@@ -679,6 +686,69 @@ static struct platform_device camera_devices[] = {
},
};
+/* FSI */
+/*
+ * FSI-B use external clock which came from da7210.
+ * So, we should change parent of fsi
+ */
+#define FCLKBCR 0xa415000c
+static void fsimck_init(struct clk *clk)
+{
+ u32 status = ctrl_inl(clk->enable_reg);
+
+ /* use external clock */
+ status &= ~0x000000ff;
+ status |= 0x00000080;
+
+ ctrl_outl(status, clk->enable_reg);
+}
+
+static struct clk_ops fsimck_clk_ops = {
+ .init = fsimck_init,
+};
+
+static struct clk fsimckb_clk = {
+ .name = "fsimckb_clk",
+ .id = -1,
+ .ops = &fsimck_clk_ops,
+ .enable_reg = (void __iomem *)FCLKBCR,
+ .rate = 0, /* unknown */
+};
+
+struct sh_fsi_platform_info fsi_info = {
+ .portb_flags = SH_FSI_BRS_INV |
+ SH_FSI_OUT_SLAVE_MODE |
+ SH_FSI_IN_SLAVE_MODE |
+ SH_FSI_OFMT(I2S) |
+ SH_FSI_IFMT(I2S),
+};
+
+static struct resource fsi_resources[] = {
+ [0] = {
+ .name = "FSI",
+ .start = 0xFE3C0000,
+ .end = 0xFE3C021d,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 108,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device fsi_device = {
+ .name = "sh_fsi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(fsi_resources),
+ .resource = fsi_resources,
+ .dev = {
+ .platform_data = &fsi_info,
+ },
+ .archdata = {
+ .hwblk_id = HWBLK_SPU, /* FSI needs SPU hwblk */
+ },
+};
+
static struct platform_device *ecovec_devices[] __initdata = {
&heartbeat_device,
&nor_flash_device,
@@ -698,6 +768,7 @@ static struct platform_device *ecovec_devices[] __initdata = {
&camera_devices[0],
&camera_devices[1],
&camera_devices[2],
+ &fsi_device,
};
#define EEPROM_ADDR 0x50
@@ -753,6 +824,8 @@ extern char ecovec24_sdram_leave_end;
static int __init arch_setup(void)
{
+ struct clk *clk;
+
/* register board specific self-refresh code */
sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
&ecovec24_sdram_enter_start,
@@ -1020,7 +1093,32 @@ static int __init arch_setup(void)
gpio_direction_output(GPIO_PTA3, 0);
gpio_direction_output(GPIO_PTA4, 0);
+ /* enable FSI */
+ gpio_request(GPIO_FN_FSIMCKB, NULL);
+ gpio_request(GPIO_FN_FSIIBSD, NULL);
+ gpio_request(GPIO_FN_FSIOBSD, NULL);
+ gpio_request(GPIO_FN_FSIIBBCK, NULL);
+ gpio_request(GPIO_FN_FSIIBLRCK, NULL);
+ gpio_request(GPIO_FN_FSIOBBCK, NULL);
+ gpio_request(GPIO_FN_FSIOBLRCK, NULL);
+ gpio_request(GPIO_FN_CLKAUDIOBO, NULL);
+
+ /* change parent of FSI B */
+ clk = clk_get(NULL, "fsib_clk");
+ clk_register(&fsimckb_clk);
+ clk_set_parent(clk, &fsimckb_clk);
+ clk_set_rate(clk, 11000);
+ clk_set_rate(&fsimckb_clk, 11000);
+ clk_put(clk);
+
+ gpio_request(GPIO_PTU0, NULL);
+ gpio_direction_output(GPIO_PTU0, 0);
+ mdelay(20);
+
/* enable I2C device */
+ i2c_register_board_info(0, i2c0_devices,
+ ARRAY_SIZE(i2c0_devices));
+
i2c_register_board_info(1, i2c1_devices,
ARRAY_SIZE(i2c1_devices));