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Use of_ API to parse gpio pin number

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Use of_ API to parse gpio pin number.

Change-Id: I82fb037012135c430c0de5610638f99bfa58b844
Signed-off-by: zhuwg1 <zhuwg1@motorola.com>
Reviewed-on: https://gerrit.mot.com/2176491
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: litong <litong20@motorola.com>
Reviewed-by: Jianqi Yang <yangj@motorola.com>
Submit-Approved: Jira Key
This commit is contained in:
zhuwg1 2022-01-21 17:00:44 +08:00
commit 61d1a82e00
1 changed files with 14 additions and 6 deletions
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20
drivers/input/touchscreen/parade_tma5xx_mmi/cyttsp5_devtree.c
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@ -30,6 +30,7 @@
#include <linux/err.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include <linux/of_gpio.h>
/* cyttsp */
#include "cyttsp5_regs.h"
@ -554,10 +555,13 @@ static struct cyttsp5_core_platform_data *create_and_get_core_pdata(
}
/* Required fields */
rc = of_property_read_u32(core_node, "cy,irq_gpio", &value);
if (rc)
rc = of_get_named_gpio(core_node, "cy,irq_gpio", 0);
if (!gpio_is_valid(rc)) {
pdata->irq_gpio = -EINVAL;
pr_err("%s, invalid irq-gpio in dt: %d", __func__, rc);
goto fail_free;
pdata->irq_gpio = value;
}
pdata->irq_gpio = rc;
rc = of_property_read_u32(core_node, "cy,hid_desc_register", &value);
if (rc)
@ -568,9 +572,13 @@ static struct cyttsp5_core_platform_data *create_and_get_core_pdata(
/* rst_gpio is optional since a platform may use
* power cycling instead of using the XRES pin
*/
rc = of_property_read_u32(core_node, "cy,rst_gpio", &value);
if (!rc)
pdata->rst_gpio = value;
rc = of_get_named_gpio(core_node, "cy,rst_gpio", 0);
if (!gpio_is_valid(rc)) {
pdata->rst_gpio = -EINVAL;
pr_err("%s, invalid rst-gpio in dt: %d", __func__, rc);
goto fail_free;
}
pdata->rst_gpio = rc;
rc = of_property_read_u32(core_node, "cy,level_irq_udelay", &value);
if (!rc)