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
......@@ -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
*
......
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