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Commit 3e9ad52b authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Paul Mundt
Browse files

sh: add FSI driver support for ms7724se 



Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 40258ee9

arch/sh/boards/mach-se/7724/setup.c

+89 −0
Original line number Diff line number Diff line
@@ -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

	 *