Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.37 as permitted sender) client-ip=23.128.96.37;
From:   AKASHI Takahiro <takahiro.akashi@linaro.org>
To:     sudeep.holla@arm.com, cristian.marussi@arm.com, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        linus.walleij@linaro.org
Cc:     Oleksii_Moisieiev@epam.com, linux-arm-kernel@lists.infradead.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-gpio@vger.kernel.org,
        AKASHI Takahiro <takahiro.akashi@linaro.org>
Subject: [RFC 1/4] pinctrl: define PIN_CONFIG_INPUT
Date:   Mon,  2 Oct 2023 11:15:59 +0900
Message-Id: <20231002021602.260100-2-takahiro.akashi@linaro.org>
In-Reply-To: <20231002021602.260100-1-takahiro.akashi@linaro.org>
References: <20231002021602.260100-1-takahiro.akashi@linaro.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

This allows for enabling SCMI pinctrl based GPIO driver to obtain
an input gpio pin.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
---
 include/linux/pinctrl/pinconf-generic.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h
index d74b7a4ea154..842b328ea504 100644
--- a/include/linux/pinctrl/pinconf-generic.h
+++ b/include/linux/pinctrl/pinconf-generic.h
@@ -67,6 +67,8 @@ struct pinctrl_map;
  *	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: This will obtain a value on an input pin. The returned
+ *	argument indicates the value.
  * @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
@@ -128,6 +130,7 @@ enum pin_config_param {
 	PIN_CONFIG_DRIVE_PUSH_PULL,
 	PIN_CONFIG_DRIVE_STRENGTH,
 	PIN_CONFIG_DRIVE_STRENGTH_UA,
+	PIN_CONFIG_INPUT,
 	PIN_CONFIG_INPUT_DEBOUNCE,
 	PIN_CONFIG_INPUT_ENABLE,
 	PIN_CONFIG_INPUT_SCHMITT,
-- 
2.34.1