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From: Dario Binacchi <dariobin@libero.it>
To: u-boot@lists.denx.de
Subject: [PATCH 09/11] pinctrl: single: add get_pin_name operation
Date: Sat, 23 Jan 2021 19:27:09 +0100	[thread overview]
Message-ID: <20210123182711.7177-10-dariobin@libero.it> (raw)
In-Reply-To: <20210123182711.7177-1-dariobin@libero.it>

It returns the name of the requested pin.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
---

 drivers/pinctrl/pinctrl-single.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 21a3bbaaa7..04e2b00f7e 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -30,12 +30,14 @@ struct single_pdata {
  * struct single_priv - private data
  * @bits_per_pin: number of bits per pin
  * @npins: number of selectable pins
+ * @pin_name: temporary buffer to store the pin name
  * @read: function to read from a configuration register
  * @write: function to write to a configuration register
  */
 struct single_priv {
 	unsigned int bits_per_pin;
 	unsigned int npins;
+	char pin_name[PINNAME_SIZE];
 	unsigned int (*read)(fdt_addr_t reg);
 	void (*write)(unsigned int val, fdt_addr_t reg);
 };
@@ -207,6 +209,19 @@ static int single_set_state(struct udevice *dev,
 	return len;
 }
 
+static const char *single_get_pin_name(struct udevice *dev,
+				       unsigned int selector)
+{
+	struct single_priv *priv = dev_get_priv(dev);
+
+	if (selector >= priv->npins)
+		snprintf(priv->pin_name, PINNAME_SIZE, "Error");
+	else
+		snprintf(priv->pin_name, PINNAME_SIZE, "PIN%u", selector);
+
+	return priv->pin_name;
+}
+
 static int single_get_pins_count(struct udevice *dev)
 {
 	struct single_priv *priv = dev_get_priv(dev);
@@ -286,6 +301,7 @@ static int single_of_to_plat(struct udevice *dev)
 
 const struct pinctrl_ops single_pinctrl_ops = {
 	.get_pins_count	= single_get_pins_count,
+	.get_pin_name = single_get_pin_name,
 	.set_state = single_set_state,
 };
 
-- 
2.17.1

  parent reply	other threads:[~2021-01-23 18:27 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-23 18:27 [PATCH 00/11] Add support for pinmux status command on beaglebone Dario Binacchi
2021-01-23 18:27 ` [PATCH 01/11] pinctrl: single: fix format of structure documentation Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-23 18:27 ` [PATCH 02/11] pinctrl: single: fix the loop counter variable type Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-25 16:53   ` Pratyush Yadav
2021-01-23 18:27 ` [PATCH 03/11] pinctrl: single: fix debug messages formatting Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-25 17:09   ` Pratyush Yadav
2021-01-26 11:20     ` Dario Binacchi
2021-01-27  9:29       ` Pratyush Yadav
2021-01-23 18:27 ` [PATCH 04/11] pinctrl: single: get register area size by device API Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-23 18:27 ` [PATCH 05/11] pinctrl: single: check "register-width" DT property Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-23 18:27 ` [PATCH 06/11] pinctrl: single: change function mask default value Dario Binacchi
2021-01-23 18:27 ` [PATCH 07/11] pinctrl: single: use function pointer for register access Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-24 16:50     ` Dario Binacchi
2021-01-24 18:00       ` Simon Glass
2021-01-23 18:27 ` [PATCH 08/11] pinctrl: single: add get_pins_count operation Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-23 18:27 ` Dario Binacchi [this message]
2021-01-24  2:03   ` [PATCH 09/11] pinctrl: single: add get_pin_name operation Simon Glass
2021-01-23 18:27 ` [PATCH 10/11] pinctrl: single: add get_pin_muxing operation Dario Binacchi
2021-01-24  2:03   ` Simon Glass
2021-01-26 11:28     ` Dario Binacchi
2021-02-01 20:38       ` Simon Glass
2021-01-23 18:27 ` [PATCH 11/11] test: pinmux: add test for 'pinctrl-single' driver Dario Binacchi
2021-01-24  2:03   ` Simon Glass

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