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From: Guillaume La Roque <glaroque@baylibre.com>
To: linus.walleij@linaro.org, khilman@baylibre.com
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
	jbrunet@baylibre.com
Subject: [PATCH v4 2/6] pinctrl: generic: add new 'drive-strength-microamp' property support
Date: Thu,  9 May 2019 18:29:16 +0200
Message-ID: <20190509162920.7054-3-glaroque@baylibre.com> (raw)
In-Reply-To: <20190509162920.7054-1-glaroque@baylibre.com>

Add drive-strength-microamp property support to allow drive strength in uA

Signed-off-by: Guillaume La Roque <glaroque@baylibre.com>
---
 drivers/pinctrl/pinconf-generic.c       | 2 ++
 include/linux/pinctrl/pinconf-generic.h | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index b4f7f8a458ea..d0cbdb1ad76a 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -39,6 +39,7 @@ static const struct pin_config_item conf_items[] = {
 	PCONFDUMP(PIN_CONFIG_DRIVE_OPEN_SOURCE, "output drive open source", NULL, false),
 	PCONFDUMP(PIN_CONFIG_DRIVE_PUSH_PULL, "output drive push pull", NULL, false),
 	PCONFDUMP(PIN_CONFIG_DRIVE_STRENGTH, "output drive strength", "mA", true),
+	PCONFDUMP(PIN_CONFIG_DRIVE_STRENGTH_UA, "output drive strength", "uA", true),
 	PCONFDUMP(PIN_CONFIG_INPUT_DEBOUNCE, "input debounce", "usec", true),
 	PCONFDUMP(PIN_CONFIG_INPUT_ENABLE, "input enabled", NULL, false),
 	PCONFDUMP(PIN_CONFIG_INPUT_SCHMITT, "input schmitt trigger", NULL, false),
@@ -167,6 +168,7 @@ static const struct pinconf_generic_params dt_params[] = {
 	{ "drive-open-source", PIN_CONFIG_DRIVE_OPEN_SOURCE, 0 },
 	{ "drive-push-pull", PIN_CONFIG_DRIVE_PUSH_PULL, 0 },
 	{ "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 0 },
+	{ "drive-strength-microamp", PIN_CONFIG_DRIVE_STRENGTH_UA, 0 },
 	{ "input-debounce", PIN_CONFIG_INPUT_DEBOUNCE, 0 },
 	{ "input-disable", PIN_CONFIG_INPUT_ENABLE, 0 },
 	{ "input-enable", PIN_CONFIG_INPUT_ENABLE, 1 },
diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index 6c0680641108..72d06d6a3099 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -55,6 +55,8 @@
  *	push-pull mode, the argument is ignored.
  * @PIN_CONFIG_DRIVE_STRENGTH: the pin will sink or source at most the current
  *	passed as argument. The argument is in mA.
+ * @PIN_CONFIG_DRIVE_STRENGTH_UA: the pin will sink or source at most the current
+ *	passed as argument. The argument is in uA.
  * @PIN_CONFIG_INPUT_DEBOUNCE: this will configure the pin to debounce mode,
  *	which means it will wait for signals to settle when reading inputs. The
  *	argument gives the debounce time in usecs. Setting the
@@ -112,6 +114,7 @@ enum pin_config_param {
 	PIN_CONFIG_DRIVE_OPEN_SOURCE,
 	PIN_CONFIG_DRIVE_PUSH_PULL,
 	PIN_CONFIG_DRIVE_STRENGTH,
+	PIN_CONFIG_DRIVE_STRENGTH_UA,
 	PIN_CONFIG_INPUT_DEBOUNCE,
 	PIN_CONFIG_INPUT_ENABLE,
 	PIN_CONFIG_INPUT_SCHMITT,
-- 
2.17.1


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Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-09 16:29 [PATCH v4 0/6] Add drive-strength in Meson pinctrl driver Guillaume La Roque
2019-05-09 16:29 ` [PATCH v4 1/6] dt-bindings: pinctrl: add a 'drive-strength-microamp' property Guillaume La Roque
2019-05-09 17:35   ` Kevin Hilman
2019-05-09 16:29 ` Guillaume La Roque [this message]
2019-05-09 16:29 ` [PATCH v4 3/6] dt-bindings: pinctrl: meson: Add drive-strength-microamp property Guillaume La Roque
2019-05-09 16:29 ` [PATCH v4 4/6] pinctrl: meson: Rework enable/disable bias part Guillaume La Roque
2019-05-09 16:29 ` [PATCH v4 5/6] pinctrl: meson: add support of drive-strength-microamp Guillaume La Roque
2019-05-09 16:29 ` [PATCH v4 6/6] pinctrl: meson: g12a: add DS bank value Guillaume La Roque
2019-05-09 17:34 ` [PATCH v4 0/6] Add drive-strength in Meson pinctrl driver Kevin Hilman

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