From: Kalle Jokiniemi <kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
To: linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
balbi-l0cyMroinI0@public.gmane.org
Cc: heikki.krogerus-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org,
jhnikula-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
khilman-l0cyMroinI0@public.gmane.org,
Kalle Jokiniemi
<kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
Subject: [PATCH v2 2/2] RX-51: Enable isp1704 power on/off
Date: Mon, 28 Mar 2011 09:51:39 +0300 [thread overview]
Message-ID: <1301295099-22066-3-git-send-email-kalle.jokiniemi@nokia.com> (raw)
In-Reply-To: <1301295099-22066-1-git-send-email-kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
The isp1704 usb tranceiver is used for charging and can be
disabled when not in use. Provide the powering routine to
the driver via platform data.
Loosely based on earlier patches from Heikki Krogerus in
Nokia N900 maemo kernel.
Signed-off-by: Kalle Jokiniemi <kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
Cc: Heikki Krogerus <heikki.krogerus-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 27 ++++++++++++++++++++++++-
1 files changed, 25 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index e75e240..8584dd8 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -23,6 +23,7 @@
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
+#include <linux/power/isp1704_charger.h>
#include <plat/mcspi.h>
#include <plat/board.h>
@@ -48,6 +49,8 @@
#define RX51_WL1251_POWER_GPIO 87
#define RX51_WL1251_IRQ_GPIO 42
+#define RX51_USB_TRANSCEIVER_RST_GPIO 67
+
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
@@ -106,10 +109,30 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
},
};
+static void rx51_charger_set_power(bool on)
+{
+ gpio_set_value(RX51_USB_TRANSCEIVER_RST_GPIO, on);
+}
+
+static struct isp1704_charger_data rx51_charger_data = {
+ .set_power = rx51_charger_set_power,
+};
+
static struct platform_device rx51_charger_device = {
- .name = "isp1704_charger",
+ .name = "isp1704_charger",
+ .dev = {
+ .platform_data = &rx51_charger_data,
+ },
};
+static void __init rx51_charger_init(void)
+{
+ BUG_ON(gpio_request_one(RX51_USB_TRANSCEIVER_RST_GPIO,
+ GPIOF_OUT_INIT_LOW, "isp1704_reset"));
+
+ platform_device_register(&rx51_charger_device);
+}
+
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
#define RX51_GPIO_CAMERA_LENS_COVER 110
@@ -928,6 +951,6 @@ void __init rx51_peripherals_init(void)
if (partition)
omap2_hsmmc_init(mmc);
- platform_device_register(&rx51_charger_device);
+ rx51_charger_init();
}
--
1.7.1
--
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next prev parent reply other threads:[~2011-03-28 6:51 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 6:51 [PATCH v2 0/2] isp1704_charger: fix powering for N900 Kalle Jokiniemi
[not found] ` <1301295099-22066-1-git-send-email-kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2011-03-28 6:51 ` [PATCH v2 1/2] isp1704_charger: allow board specific powering routine Kalle Jokiniemi
2011-03-28 8:17 ` Sergei Shtylyov
2011-03-28 10:00 ` kalle.jokiniemi
2011-03-29 5:52 ` kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w
2011-03-30 11:18 ` Sergei Shtylyov
[not found] ` <1301295099-22066-2-git-send-email-kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2011-03-28 9:12 ` Heikki Krogerus
2011-03-28 9:57 ` kalle.jokiniemi
2011-03-28 6:51 ` Kalle Jokiniemi [this message]
[not found] ` <1301295099-22066-3-git-send-email-kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w@public.gmane.org>
2011-03-28 7:19 ` [PATCH v2 2/2] RX-51: Enable isp1704 power on/off Keshava Munegowda
[not found] ` <17a241ba5fb52c72ed49ad345910065f-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-03-28 8:06 ` kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w
2011-03-28 8:39 ` Felipe Balbi
[not found] ` <20110328083915.GF2251-UiBtZHVXSwEVvW8u9ZQWYwjfymiNCTlR@public.gmane.org>
2011-03-28 8:52 ` kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w
2011-03-28 8:55 ` Felipe Balbi
[not found] ` <20110328085525.GK2251-UiBtZHVXSwEVvW8u9ZQWYwjfymiNCTlR@public.gmane.org>
2011-03-28 8:57 ` kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w
2011-03-28 8:20 ` Sergei Shtylyov
[not found] ` <4D9044B2.5020607-hkdhdckH98+B+jHODAdFcQ@public.gmane.org>
2011-03-28 8:39 ` Felipe Balbi
2011-03-28 9:57 ` kalle.jokiniemi-xNZwKgViW5gAvxtiuMwx3w
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