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authorPaul Mundt <lethal@linux-sh.org>2012-01-18 21:16:36 -0500
committerPaul Mundt <lethal@linux-sh.org>2012-01-18 21:16:36 -0500
commit446e326c15c3b45da87b6d883e1c981df035b2ac (patch)
tree94d43260cdf9da14cc4d5484ff5f05a388174295 /arch/arm/mach-shmobile/board-mackerel.c
parentd5bb386d70c8e8e79c7f652a794610e01d79f33e (diff)
parent6d9b7dd0da1b619ed5f89ff7ab4bc3188c0f7e9f (diff)
Merge branch 'rmobile/mackerel' into rmobile-fixes-for-linus
Diffstat (limited to 'arch/arm/mach-shmobile/board-mackerel.c')
-rw-r--r--arch/arm/mach-shmobile/board-mackerel.c83
1 files changed, 19 insertions, 64 deletions
diff --git a/arch/arm/mach-shmobile/board-mackerel.c b/arch/arm/mach-shmobile/board-mackerel.c
index 1a955e2a334f..a2813247b455 100644
--- a/arch/arm/mach-shmobile/board-mackerel.c
+++ b/arch/arm/mach-shmobile/board-mackerel.c
@@ -43,7 +43,6 @@
43#include <linux/smsc911x.h> 43#include <linux/smsc911x.h>
44#include <linux/sh_intc.h> 44#include <linux/sh_intc.h>
45#include <linux/tca6416_keypad.h> 45#include <linux/tca6416_keypad.h>
46#include <linux/usb/r8a66597.h>
47#include <linux/usb/renesas_usbhs.h> 46#include <linux/usb/renesas_usbhs.h>
48#include <linux/dma-mapping.h> 47#include <linux/dma-mapping.h>
49 48
@@ -145,11 +144,6 @@
145 * 1-2 short | VBUS 5V | Host 144 * 1-2 short | VBUS 5V | Host
146 * open | external VBUS | Function 145 * open | external VBUS | Function
147 * 146 *
148 * *1
149 * CN31 is used as
150 * CONFIG_USB_R8A66597_HCD Host
151 * CONFIG_USB_RENESAS_USBHS Function
152 *
153 * CAUTION 147 * CAUTION
154 * 148 *
155 * renesas_usbhs driver can use external interrupt mode 149 * renesas_usbhs driver can use external interrupt mode
@@ -161,15 +155,6 @@
161 * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0", 155 * mackerel can not use external interrupt (IRQ7-PORT167) mode on "USB0",
162 * because Touchscreen is using IRQ7-PORT40. 156 * because Touchscreen is using IRQ7-PORT40.
163 * It is impossible to use IRQ7 demux on this board. 157 * It is impossible to use IRQ7 demux on this board.
164 *
165 * We can use external interrupt mode USB-Function on "USB1".
166 * USB1 can become Host by r8a66597, and become Function by renesas_usbhs.
167 * But don't select both drivers in same time.
168 * These uses same IRQ number for request_irq(), and aren't supporting
169 * IRQF_SHARED / IORESOURCE_IRQ_SHAREABLE.
170 *
171 * Actually these are old/new version of USB driver.
172 * This mean its register will be broken if it supports shared IRQ,
173 */ 158 */
174 159
175/* 160/*
@@ -208,6 +193,16 @@
208 */ 193 */
209 194
210/* 195/*
196 * FSI - AK4642
197 *
198 * it needs amixer settings for playing
199 *
200 * amixer set "Headphone" on
201 * amixer set "HPOUTL Mixer DACH" on
202 * amixer set "HPOUTR Mixer DACH" on
203 */
204
205/*
211 * FIXME !! 206 * FIXME !!
212 * 207 *
213 * gpio_no_direction 208 * gpio_no_direction
@@ -676,51 +671,16 @@ static struct platform_device usbhs0_device = {
676 * Use J30 to select between Host and Function. This setting 671 * Use J30 to select between Host and Function. This setting
677 * can however not be detected by software. Hotplug of USBHS1 672 * can however not be detected by software. Hotplug of USBHS1
678 * is provided via IRQ8. 673 * is provided via IRQ8.
674 *
675 * Current USB1 works as "USB Host".
676 * - set J30 "short"
677 *
678 * If you want to use it as "USB gadget",
679 * - J30 "open"
680 * - modify usbhs1_get_id() USBHS_HOST -> USBHS_GADGET
681 * - add .get_vbus = usbhs_get_vbus in usbhs1_private
679 */ 682 */
680#define IRQ8 evt2irq(0x0300) 683#define IRQ8 evt2irq(0x0300)
681
682/* USBHS1 USB Host support via r8a66597_hcd */
683static void usb1_host_port_power(int port, int power)
684{
685 if (!power) /* only power-on is supported for now */
686 return;
687
688 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
689 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
690}
691
692static struct r8a66597_platdata usb1_host_data = {
693 .on_chip = 1,
694 .port_power = usb1_host_port_power,
695};
696
697static struct resource usb1_host_resources[] = {
698 [0] = {
699 .name = "USBHS1",
700 .start = 0xe68b0000,
701 .end = 0xe68b00e6 - 1,
702 .flags = IORESOURCE_MEM,
703 },
704 [1] = {
705 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
706 .flags = IORESOURCE_IRQ,
707 },
708};
709
710static struct platform_device usb1_host_device = {
711 .name = "r8a66597_hcd",
712 .id = 1,
713 .dev = {
714 .dma_mask = NULL, /* not use dma */
715 .coherent_dma_mask = 0xffffffff,
716 .platform_data = &usb1_host_data,
717 },
718 .num_resources = ARRAY_SIZE(usb1_host_resources),
719 .resource = usb1_host_resources,
720};
721
722/* USBHS1 USB Function support via renesas_usbhs */
723
724#define USB_PHY_MODE (1 << 4) 684#define USB_PHY_MODE (1 << 4)
725#define USB_PHY_INT_EN ((1 << 3) | (1 << 2)) 685#define USB_PHY_INT_EN ((1 << 3) | (1 << 2))
726#define USB_PHY_ON (1 << 1) 686#define USB_PHY_ON (1 << 1)
@@ -776,7 +736,7 @@ static void usbhs1_hardware_exit(struct platform_device *pdev)
776 736
777static int usbhs1_get_id(struct platform_device *pdev) 737static int usbhs1_get_id(struct platform_device *pdev)
778{ 738{
779 return USBHS_GADGET; 739 return USBHS_HOST;
780} 740}
781 741
782static u32 usbhs1_pipe_cfg[] = { 742static u32 usbhs1_pipe_cfg[] = {
@@ -807,7 +767,6 @@ static struct usbhs_private usbhs1_private = {
807 .hardware_exit = usbhs1_hardware_exit, 767 .hardware_exit = usbhs1_hardware_exit,
808 .get_id = usbhs1_get_id, 768 .get_id = usbhs1_get_id,
809 .phy_reset = usbhs_phy_reset, 769 .phy_reset = usbhs_phy_reset,
810 .get_vbus = usbhs_get_vbus,
811 }, 770 },
812 .driver_param = { 771 .driver_param = {
813 .buswait_bwait = 4, 772 .buswait_bwait = 4,
@@ -1303,7 +1262,6 @@ static struct platform_device *mackerel_devices[] __initdata = {
1303 &nor_flash_device, 1262 &nor_flash_device,
1304 &smc911x_device, 1263 &smc911x_device,
1305 &lcdc_device, 1264 &lcdc_device,
1306 &usb1_host_device,
1307 &usbhs1_device, 1265 &usbhs1_device,
1308 &usbhs0_device, 1266 &usbhs0_device,
1309 &leds_device, 1267 &leds_device,
@@ -1465,9 +1423,6 @@ static void __init mackerel_init(void)
1465 gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */ 1423 gpio_pull_down(GPIO_PORT167CR); /* VBUS0_1 pull down */
1466 gpio_request(GPIO_FN_IDIN_1_113, NULL); 1424 gpio_request(GPIO_FN_IDIN_1_113, NULL);
1467 1425
1468 /* USB phy tweak to make the r8a66597_hcd host driver work */
1469 __raw_writew(0x8a0a, 0xe6058130); /* USBCR4 */
1470
1471 /* enable FSI2 port A (ak4643) */ 1426 /* enable FSI2 port A (ak4643) */
1472 gpio_request(GPIO_FN_FSIAIBT, NULL); 1427 gpio_request(GPIO_FN_FSIAIBT, NULL);
1473 gpio_request(GPIO_FN_FSIAILR, NULL); 1428 gpio_request(GPIO_FN_FSIAILR, NULL);