dm: gpio: Add live tree support
Add support for requesting GPIOs with a live device tree.
This involves adjusting the function signature for the legacy function
gpio_request_by_name_nodev(), so fix up all callers.
Signed-off-by: Simon Glass <sjg@chromium.org>
Fixes to stm32f746-disco.c:
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/gpio/gpio-uclass.c b/drivers/gpio/gpio-uclass.c
index 92a1346..f611996 100644
--- a/drivers/gpio/gpio-uclass.c
+++ b/drivers/gpio/gpio-uclass.c
@@ -683,45 +683,41 @@
return ret;
}
-static int _gpio_request_by_name_nodev(const void *blob, int node,
- const char *list_name, int index,
- struct gpio_desc *desc, int flags,
- bool add_index)
+static int _gpio_request_by_name_nodev(ofnode node, const char *list_name,
+ int index, struct gpio_desc *desc,
+ int flags, bool add_index)
{
struct ofnode_phandle_args args;
int ret;
- ret = ofnode_parse_phandle_with_args(offset_to_ofnode(node), list_name,
- "#gpio-cells", 0, index, &args);
- if (ret)
- debug("%s: fdtdec_parse_phandle_with_args failed\n", __func__);
+ ret = ofnode_parse_phandle_with_args(node, list_name, "#gpio-cells", 0,
+ index, &args);
- return gpio_request_tail(ret, offset_to_ofnode(node), &args, list_name,
- index, desc, flags, add_index);
+ return gpio_request_tail(ret, node, &args, list_name, index, desc,
+ flags, add_index);
}
-int gpio_request_by_name_nodev(const void *blob, int node,
- const char *list_name, int index,
+int gpio_request_by_name_nodev(ofnode node, const char *list_name, int index,
struct gpio_desc *desc, int flags)
{
- return _gpio_request_by_name_nodev(blob, node, list_name, index, desc,
- flags, index > 0);
+ return _gpio_request_by_name_nodev(node, list_name, index, desc, flags,
+ index > 0);
}
-int gpio_request_by_name(struct udevice *dev, const char *list_name, int index,
+int gpio_request_by_name(struct udevice *dev, const char *list_name, int index,
struct gpio_desc *desc, int flags)
{
- /*
- * This isn't ideal since we don't use dev->name in the debug()
- * calls in gpio_request_by_name(), but we can do this until
- * gpio_request_by_name_nodev() can be dropped.
- */
- return gpio_request_by_name_nodev(gd->fdt_blob, dev_of_offset(dev),
- list_name, index, desc, flags);
+ struct ofnode_phandle_args args;
+ int ret;
+
+ ret = dev_read_phandle_with_args(dev, list_name, "#gpio-cells", 0,
+ index, &args);
+
+ return gpio_request_tail(ret, dev_ofnode(dev), &args, list_name,
+ index, desc, flags, index > 0);
}
-int gpio_request_list_by_name_nodev(const void *blob, int node,
- const char *list_name,
+int gpio_request_list_by_name_nodev(ofnode node, const char *list_name,
struct gpio_desc *desc, int max_count,
int flags)
{
@@ -729,7 +725,7 @@
int ret;
for (count = 0; count < max_count; count++) {
- ret = _gpio_request_by_name_nodev(blob, node, list_name, count,
+ ret = _gpio_request_by_name_nodev(node, list_name, count,
&desc[count], flags, true);
if (ret == -ENOENT)
break;
@@ -755,9 +751,8 @@
* calls in gpio_request_by_name(), but we can do this until
* gpio_request_list_by_name_nodev() can be dropped.
*/
- return gpio_request_list_by_name_nodev(gd->fdt_blob, dev_of_offset(dev),
- list_name, desc, max_count,
- flags);
+ return gpio_request_list_by_name_nodev(dev_ofnode(dev), list_name, desc,
+ max_count, flags);
}
int gpio_get_list_count(struct udevice *dev, const char *list_name)
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 3258ae7..110b9d6 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -773,12 +773,12 @@
if (ret < 0) {
debug("i2c bus %d at 0x%2lx, no gpio pinctrl state.\n", bus->seq, i2c_bus->base);
} else {
- ret = gpio_request_by_name_nodev(fdt, node, "scl-gpios",
- 0, &i2c_bus->scl_gpio,
- GPIOD_IS_OUT);
- ret2 = gpio_request_by_name_nodev(fdt, node, "sda-gpios",
- 0, &i2c_bus->sda_gpio,
- GPIOD_IS_OUT);
+ ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
+ "scl-gpios", 0, &i2c_bus->scl_gpio,
+ GPIOD_IS_OUT);
+ ret2 = gpio_request_by_name_nodev(offset_to_ofnode(node),
+ "sda-gpios", 0, &i2c_bus->sda_gpio,
+ GPIOD_IS_OUT);
if (!dm_gpio_is_valid(&i2c_bus->sda_gpio) |
!dm_gpio_is_valid(&i2c_bus->scl_gpio) |
ret | ret2) {
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index 3b3110f..5ee712f 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -983,15 +983,15 @@
} else {
priv->non_removable = 0;
#ifdef CONFIG_DM_GPIO
- gpio_request_by_name_nodev(fdt, node, "cd-gpios", 0,
- &priv->cd_gpio, GPIOD_IS_IN);
+ gpio_request_by_name_nodev(offset_to_ofnode(node), "cd-gpios",
+ 0, &priv->cd_gpio, GPIOD_IS_IN);
#endif
}
priv->wp_enable = 1;
#ifdef CONFIG_DM_GPIO
- ret = gpio_request_by_name_nodev(fdt, node, "wp-gpios", 0,
+ ret = gpio_request_by_name_nodev(offset_to_ofnode(node), "wp-gpios", 0,
&priv->wp_gpio, GPIOD_IS_IN);
if (ret)
priv->wp_enable = 0;
diff --git a/drivers/mmc/s5p_sdhci.c b/drivers/mmc/s5p_sdhci.c
index 640ea02..62817a0 100644
--- a/drivers/mmc/s5p_sdhci.c
+++ b/drivers/mmc/s5p_sdhci.c
@@ -184,10 +184,10 @@
}
host->ioaddr = (void *)base;
- gpio_request_by_name_nodev(blob, node, "pwr-gpios", 0, &host->pwr_gpio,
- GPIOD_IS_OUT);
- gpio_request_by_name_nodev(blob, node, "cd-gpios", 0, &host->cd_gpio,
- GPIOD_IS_IN);
+ gpio_request_by_name_nodev(offset_to_ofnode(node), "pwr-gpios", 0,
+ &host->pwr_gpio, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(offset_to_ofnode(node), "cd-gpios", 0,
+ &host->cd_gpio, GPIOD_IS_IN);
return 0;
}
diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index c4e2cd7..8bc3828 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -1663,7 +1663,7 @@
chip->sels[i].rb.type = RB_NATIVE;
chip->sels[i].rb.info.nativeid = tmp;
} else {
- ret = gpio_request_by_name_nodev(blob, node,
+ ret = gpio_request_by_name_nodev(offset_to_ofnode(node),
"rb-gpios", i,
&chip->sels[i].rb.info.gpio,
GPIOD_IS_IN);
diff --git a/drivers/mtd/nand/tegra_nand.c b/drivers/mtd/nand/tegra_nand.c
index 5c9b485..c03c9cb 100644
--- a/drivers/mtd/nand/tegra_nand.c
+++ b/drivers/mtd/nand/tegra_nand.c
@@ -894,8 +894,8 @@
config->reg = (struct nand_ctlr *)fdtdec_get_addr(blob, node, "reg");
config->enabled = fdtdec_get_is_enabled(blob, node);
config->width = fdtdec_get_int(blob, node, "nvidia,nand-width", 8);
- err = gpio_request_by_name_nodev(blob, node, "nvidia,wp-gpios", 0,
- &config->wp_gpio, GPIOD_IS_OUT);
+ err = gpio_request_by_name_nodev(offset_to_ofnode(node),
+ "nvidia,wp-gpios", 0, &config->wp_gpio, GPIOD_IS_OUT);
if (err)
return err;
err = fdtdec_get_int_array(blob, node, "nvidia,timing",
diff --git a/drivers/net/pic32_eth.c b/drivers/net/pic32_eth.c
index 385aad5..0b89911 100644
--- a/drivers/net/pic32_eth.c
+++ b/drivers/net/pic32_eth.c
@@ -561,8 +561,7 @@
phy_addr = fdtdec_get_int(gd->fdt_blob, offset, "reg", -1);
/* phy reset gpio */
- gpio_request_by_name_nodev(gd->fdt_blob, dev_of_offset(dev),
- "reset-gpios", 0,
+ gpio_request_by_name_nodev(dev_ofnode(dev), "reset-gpios", 0,
&priv->rst_gpio, GPIOD_IS_OUT);
priv->phyif = pdata->phy_interface;
diff --git a/drivers/sound/max98095.c b/drivers/sound/max98095.c
index 35829f8..7c37bd0 100644
--- a/drivers/sound/max98095.c
+++ b/drivers/sound/max98095.c
@@ -9,6 +9,8 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
+
+#include <common.h>
#include <asm/arch/clk.h>
#include <asm/arch/cpu.h>
#include <asm/arch/power.h>
diff --git a/drivers/sound/wm8994.c b/drivers/sound/wm8994.c
index d378442..b8208cd 100644
--- a/drivers/sound/wm8994.c
+++ b/drivers/sound/wm8994.c
@@ -4,11 +4,11 @@
*
* SPDX-License-Identifier: GPL-2.0+
*/
+#include <common.h>
#include <asm/arch/clk.h>
#include <asm/arch/cpu.h>
#include <asm/gpio.h>
#include <asm/io.h>
-#include <common.h>
#include <div64.h>
#include <fdtdec.h>
#include <i2c.h>
diff --git a/drivers/spi/pic32_spi.c b/drivers/spi/pic32_spi.c
index 78d78bc..15266b0 100644
--- a/drivers/spi/pic32_spi.c
+++ b/drivers/spi/pic32_spi.c
@@ -414,7 +414,7 @@
* of the ongoing transfer. To avoid this sort of error we will drive
* /CS manually by toggling cs-gpio pins.
*/
- ret = gpio_request_by_name_nodev(gd->fdt_blob, node, "cs-gpios", 0,
+ ret = gpio_request_by_name_nodev(offset_to_ofnode(node), "cs-gpios", 0,
&priv->cs_gpio, GPIOD_IS_OUT);
if (ret) {
printf("pic32-spi: error, cs-gpios not found\n");
diff --git a/drivers/usb/host/ehci-tegra.c b/drivers/usb/host/ehci-tegra.c
index da9e944..7dc37f0 100644
--- a/drivers/usb/host/ehci-tegra.c
+++ b/drivers/usb/host/ehci-tegra.c
@@ -728,9 +728,10 @@
debug("%s: Missing/invalid peripheral ID\n", __func__);
return -EINVAL;
}
- gpio_request_by_name_nodev(blob, node, "nvidia,vbus-gpio", 0,
- &config->vbus_gpio, GPIOD_IS_OUT);
- gpio_request_by_name_nodev(blob, node, "nvidia,phy-reset-gpio", 0,
+ gpio_request_by_name_nodev(offset_to_ofnode(node), "nvidia,vbus-gpio",
+ 0, &config->vbus_gpio, GPIOD_IS_OUT);
+ gpio_request_by_name_nodev(offset_to_ofnode(node),
+ "nvidia,phy-reset-gpio", 0,
&config->phy_reset_gpio, GPIOD_IS_OUT);
debug("enabled=%d, legacy_mode=%d, utmi=%d, ulpi=%d, periph_id=%d, "
"vbus=%d, phy_reset=%d, dr_mode=%d\n",
diff --git a/drivers/usb/host/ehci-vf.c b/drivers/usb/host/ehci-vf.c
index e52cd6a..a7f6f21 100644
--- a/drivers/usb/host/ehci-vf.c
+++ b/drivers/usb/host/ehci-vf.c
@@ -252,8 +252,9 @@
}
if (priv->dr_mode == DR_MODE_OTG) {
- gpio_request_by_name_nodev(dt_blob, node, "fsl,cdet-gpio", 0,
- &priv->cdet_gpio, GPIOD_IS_IN);
+ gpio_request_by_name_nodev(offset_to_ofnode(node),
+ "fsl,cdet-gpio", 0, &priv->cdet_gpio,
+ GPIOD_IS_IN);
if (dm_gpio_is_valid(&priv->cdet_gpio)) {
if (dm_gpio_get_value(&priv->cdet_gpio))
priv->init_type = USB_INIT_DEVICE;