* [PATCH 0/3] atmel nand/spi/udc: request gpio
@ 2012-12-28 16:43 Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 1/3] mtd: atmel_nand: request and configure pio via gpiolib Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 10:07 ` [PATCH 0/3] atmel nand/spi/udc: request gpio Sascha Hauer
0 siblings, 2 replies; 5+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-12-28 16:43 UTC (permalink / raw)
To: barebox
Hi,
request and configure gpio via gpiolib for some of the Atmel drivers:
- Nand
- SPI
- at91 udc
The following changes since commit 95bc1eacae260a56c233179bc0fbd6245f2c68ed:
qil-a9260-64: ser2net config (2012-12-28 00:33:06 +0800)
are available in the git repository at:
git://git.jcrosoft.org/barebox.git delivery/at91_gpio
for you to fetch changes up to 52f0cda71c7e10a8bdf4a0976c7f7dee3a4f9678:
spi: atmel: request cs pin via gpiolib (2012-12-29 00:29:39 +0800)
----------------------------------------------------------------
Jean-Christophe PLAGNIOL-VILLARD (3):
mtd: atmel_nand: request and configure pio via gpiolib
usb: at91_udc: request and configure vbus pin via gpiolib
spi: atmel: request cs pin via gpiolib
drivers/mtd/nand/atmel_nand.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++--
drivers/spi/atmel_spi.c | 8 ++++++++
drivers/usb/gadget/at91_udc.c | 7 +++++++
3 files changed, 66 insertions(+), 2 deletions(-)
Best Regards,
J.
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 1/3] mtd: atmel_nand: request and configure pio via gpiolib
2012-12-28 16:43 [PATCH 0/3] atmel nand/spi/udc: request gpio Jean-Christophe PLAGNIOL-VILLARD
@ 2012-12-28 16:46 ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 2/3] usb: at91_udc: request and configure vbus pin " Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 3/3] spi: atmel: request cs " Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 10:07 ` [PATCH 0/3] atmel nand/spi/udc: request gpio Sascha Hauer
1 sibling, 2 replies; 5+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-12-28 16:46 UTC (permalink / raw)
To: barebox
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
drivers/mtd/nand/atmel_nand.c | 53 +++++++++++++++++++++++++++++++++++++++--
1 file changed, 51 insertions(+), 2 deletions(-)
diff --git a/drivers/mtd/nand/atmel_nand.c b/drivers/mtd/nand/atmel_nand.c
index 7e0de51..2a57dbb 100644
--- a/drivers/mtd/nand/atmel_nand.c
+++ b/drivers/mtd/nand/atmel_nand.c
@@ -1114,8 +1114,42 @@ static int __init atmel_nand_probe(struct device_d *dev)
nand_chip->IO_ADDR_W = host->io_base;
nand_chip->cmd_ctrl = atmel_nand_cmd_ctrl;
- if (gpio_is_valid(host->board->rdy_pin))
+ if (gpio_is_valid(host->board->rdy_pin)) {
+ res = gpio_request(host->board->rdy_pin, "nand_rdy");
+ if (res < 0) {
+ dev_err(dev, "can't request rdy gpio %d\n",
+ host->board->rdy_pin);
+ goto err_no_card;
+ }
+
+ res = gpio_direction_input(host->board->rdy_pin);
+ if (res < 0) {
+ dev_err(dev,
+ "can't request input direction rdy gpio %d\n",
+ host->board->rdy_pin);
+ goto err_no_card;
+ }
+
nand_chip->dev_ready = atmel_nand_device_ready;
+ }
+
+ if (gpio_is_valid(host->board->enable_pin)) {
+ res = gpio_request(host->board->enable_pin, "nand_enable");
+ if (res < 0) {
+ dev_err(dev,
+ "can't request enable gpio %d\n",
+ host->board->enable_pin);
+ goto err_no_card;
+ }
+
+ res = gpio_direction_output(host->board->enable_pin, 1);
+ if (res < 0) {
+ dev_err(dev,
+ "can't request output direction enable gpio %d\n",
+ host->board->enable_pin);
+ goto err_no_card;
+ }
+ }
nand_chip->ecc.mode = NAND_ECC_SOFT;
@@ -1138,9 +1172,24 @@ static int __init atmel_nand_probe(struct device_d *dev)
atmel_nand_enable(host);
if (gpio_is_valid(host->board->det_pin)) {
+ res = gpio_request(host->board->det_pin, "nand_det");
+ if (res < 0) {
+ dev_err(dev, "can't request det gpio %d\n",
+ host->board->det_pin);
+ goto err_no_card;
+ }
+
+ res = gpio_direction_input(host->board->det_pin);
+ if (res < 0) {
+ dev_err(dev,
+ "can't request input direction det gpio %d\n",
+ host->board->det_pin);
+ goto err_no_card;
+ }
+
if (gpio_get_value(host->board->det_pin)) {
printk("No SmartMedia card inserted.\n");
- res = ENXIO;
+ res = -ENXIO;
goto err_no_card;
}
}
--
1.7.10.4
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 2/3] usb: at91_udc: request and configure vbus pin via gpiolib
2012-12-28 16:46 ` [PATCH 1/3] mtd: atmel_nand: request and configure pio via gpiolib Jean-Christophe PLAGNIOL-VILLARD
@ 2012-12-28 16:46 ` Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 3/3] spi: atmel: request cs " Jean-Christophe PLAGNIOL-VILLARD
1 sibling, 0 replies; 5+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-12-28 16:46 UTC (permalink / raw)
To: barebox
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
drivers/usb/gadget/at91_udc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 8a678f9..3899db2 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1497,6 +1497,13 @@ static int __init at91udc_probe(struct device_d *dev)
clk_disable(udc->iclk);
if (gpio_is_valid(udc->board.vbus_pin)) {
+ retval = gpio_request(udc->board.vbus_pin, "udc_vbus");
+ if (retval < 0) {
+ dev_err(dev, "request vbus pin failed\n");
+ goto fail0a;
+ }
+ gpio_direction_input(udc->board.vbus_pin);
+
/*
* Get the initial state of VBUS - we cannot expect
* a pending interrupt.
--
1.7.10.4
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^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH 3/3] spi: atmel: request cs pin via gpiolib
2012-12-28 16:46 ` [PATCH 1/3] mtd: atmel_nand: request and configure pio via gpiolib Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 2/3] usb: at91_udc: request and configure vbus pin " Jean-Christophe PLAGNIOL-VILLARD
@ 2012-12-28 16:46 ` Jean-Christophe PLAGNIOL-VILLARD
1 sibling, 0 replies; 5+ messages in thread
From: Jean-Christophe PLAGNIOL-VILLARD @ 2012-12-28 16:46 UTC (permalink / raw)
To: barebox
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---
drivers/spi/atmel_spi.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/spi/atmel_spi.c b/drivers/spi/atmel_spi.c
index 793933e..08cb416 100644
--- a/drivers/spi/atmel_spi.c
+++ b/drivers/spi/atmel_spi.c
@@ -371,6 +371,7 @@ err:
static int atmel_spi_probe(struct device_d *dev)
{
int ret = 0;
+ int i;
struct spi_master *master;
struct atmel_spi *as;
struct at91_spi_platform_data *pdata = dev->platform_data;
@@ -399,6 +400,12 @@ static int atmel_spi_probe(struct device_d *dev)
as->cs_pins = pdata->chipselect;
as->regs = dev_request_mem_region(dev, 0);
+ for (i = 0; i <= master->num_chipselect; i++) {
+ ret = gpio_request(as->cs_pins[i], dev_name(dev));
+ if (ret)
+ goto out_gpio;
+ }
+
/* Initialize the hardware */
clk_enable(as->clk);
spi_writel(as, CR, SPI_BIT(SWRST));
@@ -418,6 +425,7 @@ static int atmel_spi_probe(struct device_d *dev)
out_reset_hw:
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
+out_gpio:
clk_disable(as->clk);
clk_put(as->clk);
out_free:
--
1.7.10.4
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^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 0/3] atmel nand/spi/udc: request gpio
2012-12-28 16:43 [PATCH 0/3] atmel nand/spi/udc: request gpio Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 1/3] mtd: atmel_nand: request and configure pio via gpiolib Jean-Christophe PLAGNIOL-VILLARD
@ 2013-01-02 10:07 ` Sascha Hauer
1 sibling, 0 replies; 5+ messages in thread
From: Sascha Hauer @ 2013-01-02 10:07 UTC (permalink / raw)
To: Jean-Christophe PLAGNIOL-VILLARD; +Cc: barebox
On Fri, Dec 28, 2012 at 05:43:27PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Hi,
>
> request and configure gpio via gpiolib for some of the Atmel drivers:
>
> - Nand
> - SPI
> - at91 udc
>
> The following changes since commit 95bc1eacae260a56c233179bc0fbd6245f2c68ed:
>
> qil-a9260-64: ser2net config (2012-12-28 00:33:06 +0800)
>
> are available in the git repository at:
>
> git://git.jcrosoft.org/barebox.git delivery/at91_gpio
>
Applied, thanks
Sascha
> for you to fetch changes up to 52f0cda71c7e10a8bdf4a0976c7f7dee3a4f9678:
>
> spi: atmel: request cs pin via gpiolib (2012-12-29 00:29:39 +0800)
>
> ----------------------------------------------------------------
> Jean-Christophe PLAGNIOL-VILLARD (3):
> mtd: atmel_nand: request and configure pio via gpiolib
> usb: at91_udc: request and configure vbus pin via gpiolib
> spi: atmel: request cs pin via gpiolib
>
> drivers/mtd/nand/atmel_nand.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++--
> drivers/spi/atmel_spi.c | 8 ++++++++
> drivers/usb/gadget/at91_udc.c | 7 +++++++
> 3 files changed, 66 insertions(+), 2 deletions(-)
>
> Best Regards,
> J.
>
> _______________________________________________
> barebox mailing list
> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
>
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2012-12-28 16:43 [PATCH 0/3] atmel nand/spi/udc: request gpio Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 1/3] mtd: atmel_nand: request and configure pio via gpiolib Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 2/3] usb: at91_udc: request and configure vbus pin " Jean-Christophe PLAGNIOL-VILLARD
2012-12-28 16:46 ` [PATCH 3/3] spi: atmel: request cs " Jean-Christophe PLAGNIOL-VILLARD
2013-01-02 10:07 ` [PATCH 0/3] atmel nand/spi/udc: request gpio Sascha Hauer
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