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These patches have been accepted for linux v5.13. External interrupts not supported for now. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
64 lines
2.2 KiB
Diff
64 lines
2.2 KiB
Diff
From d46bf9ec4596654f36245e3b14765bcb422be6ad Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
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Date: Wed, 24 Mar 2021 09:19:03 +0100
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Subject: [PATCH 02/22] gpio: regmap: set gpio_chip of_node
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This is needed for properly registering GPIO regmap as a child of a regmap
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pin controller.
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
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Reviewed-by: Michael Walle <michael@walle.cc>
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Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Link: https://lore.kernel.org/r/20210324081923.20379-3-noltari@gmail.com
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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drivers/gpio/gpio-regmap.c | 5 +++++
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include/linux/gpio/regmap.h | 4 ++++
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2 files changed, 9 insertions(+)
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--- a/drivers/gpio/gpio-regmap.c
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+++ b/drivers/gpio/gpio-regmap.c
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@@ -254,6 +254,11 @@ struct gpio_regmap *gpio_regmap_register
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chip->names = config->names;
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chip->label = config->label ?: dev_name(config->parent);
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+#if defined(CONFIG_OF_GPIO)
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+ /* gpiolib will use of_node of the parent if chip->of_node is NULL */
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+ chip->of_node = to_of_node(config->fwnode);
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+#endif /* CONFIG_OF_GPIO */
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+
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/*
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* If our regmap is fast_io we should probably set can_sleep to false.
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* Right now, the regmap doesn't save this property, nor is there any
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--- a/include/linux/gpio/regmap.h
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+++ b/include/linux/gpio/regmap.h
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@@ -4,6 +4,7 @@
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#define _LINUX_GPIO_REGMAP_H
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struct device;
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+struct fwnode_handle;
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struct gpio_regmap;
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struct irq_domain;
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struct regmap;
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@@ -16,6 +17,8 @@ struct regmap;
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* @parent: The parent device
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* @regmap: The regmap used to access the registers
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* given, the name of the device is used
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+ * @fwnode: (Optional) The firmware node.
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+ * If not given, the fwnode of the parent is used.
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* @label: (Optional) Descriptive name for GPIO controller.
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* If not given, the name of the device is used.
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* @ngpio: Number of GPIOs
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@@ -57,6 +60,7 @@ struct regmap;
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struct gpio_regmap_config {
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struct device *parent;
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struct regmap *regmap;
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+ struct fwnode_handle *fwnode;
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const char *label;
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int ngpio;
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