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| author | Kuninori Morimoto <morimoto.kuninori@renesas.com> | 2009-08-21 01:24:54 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-09-25 11:04:36 +0900 |
| commit | 3e9ad52b95e259e68c7dcb69a25d58047ed51094 (patch) | |
| tree | d6f0f043859a92f85e5a33a5e5c534d6b930f4dd | |
| parent | 40258ee97d0d5e5c30a3d4b7acaf294fe82cd23f (diff) | |
| download | linux-3e9ad52b95e259e68c7dcb69a25d58047ed51094.tar.gz linux-3e9ad52b95e259e68c7dcb69a25d58047ed51094.tar.bz2 linux-3e9ad52b95e259e68c7dcb69a25d58047ed51094.zip | |
sh: add FSI driver support for ms7724se
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
| -rw-r--r-- | arch/sh/boards/mach-se/7724/setup.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c index 00973e0f8c63..e78c3be8ad2f 100644 --- a/arch/sh/boards/mach-se/7724/setup.c +++ b/arch/sh/boards/mach-se/7724/setup.c @@ -22,6 +22,7 @@ #include <linux/usb/r8a66597.h> #include <video/sh_mobile_lcdc.h> #include <media/sh_mobile_ceu.h> +#include <sound/sh_fsi.h> #include <asm/io.h> #include <asm/heartbeat.h> #include <asm/sh_eth.h> @@ -255,6 +256,65 @@ static struct platform_device ceu1_device = { }, }; +/* FSI */ +/* + * FSI-A use external clock which came from ak464x. + * So, we should change parent of fsi + */ +#define FCLKACR 0xa4150008 +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 fsimcka_clk = { + .name = "fsimcka_clk", + .id = -1, + .ops = &fsimck_clk_ops, + .enable_reg = (void __iomem *)FCLKACR, + .rate = 0, /* unknown */ +}; + +struct sh_fsi_platform_info fsi_info = { + .porta_flags = SH_FSI_BRS_INV | + SH_FSI_OUT_SLAVE_MODE | + SH_FSI_IN_SLAVE_MODE | + SH_FSI_OFMT(PCM) | + SH_FSI_IFMT(PCM), +}; + +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, + }, +}; + /* KEYSC in SoC (Needs SW33-2 set to ON) */ static struct sh_keysc_info keysc_info = { .mode = SH_KEYSC_MODE_1, @@ -399,6 +459,7 @@ static struct platform_device *ms7724se_devices[] __initdata = { &sh_eth_device, &sh7724_usb0_host_device, &sh7724_usb1_gadget_device, + &fsi_device, }; #define EEPROM_OP 0xBA206000 @@ -466,11 +527,13 @@ static void __init sh_eth_init(void) static int __init devices_setup(void) { u16 sw = ctrl_inw(SW4140); /* select camera, monitor */ + struct clk *fsia_clk; /* Reset Release */ ctrl_outw(ctrl_inw(FPGA_OUT) & ~((1 << 1) | /* LAN */ (1 << 6) | /* VIDEO DAC */ + (1 << 7) | /* AK4643 */ (1 << 12) | /* USB0 */ (1 << 14)), /* RMII */ FPGA_OUT); @@ -609,6 +672,32 @@ static int __init devices_setup(void) gpio_request(GPIO_FN_KEYOUT1, NULL); gpio_request(GPIO_FN_KEYOUT0, NULL); + /* enable FSI */ + gpio_request(GPIO_FN_FSIMCKB, NULL); + gpio_request(GPIO_FN_FSIMCKA, NULL); + gpio_request(GPIO_FN_FSIOASD, NULL); + gpio_request(GPIO_FN_FSIIABCK, NULL); + gpio_request(GPIO_FN_FSIIALRCK, NULL); + gpio_request(GPIO_FN_FSIOABCK, NULL); + gpio_request(GPIO_FN_FSIOALRCK, NULL); + gpio_request(GPIO_FN_CLKAUDIOAO, 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); + gpio_request(GPIO_FN_FSIIASD, NULL); + + /* change parent of FSI A */ + fsia_clk = clk_get(NULL, "fsia_clk"); + clk_register(&fsimcka_clk); + clk_set_parent(fsia_clk, &fsimcka_clk); + clk_set_rate(fsia_clk, 11000); + clk_set_rate(&fsimcka_clk, 11000); + clk_put(fsia_clk); + /* * enable SH-Eth * |