From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 11:13:47 +0200 Subject: Adding upstream version 2.8.0+dfsg. Signed-off-by: Daniel Baumann --- drivers/clk/clk.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 65 insertions(+) create mode 100644 drivers/clk/clk.c (limited to 'drivers/clk/clk.c') diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c new file mode 100644 index 0000000..4cbc0f7 --- /dev/null +++ b/drivers/clk/clk.c @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2021, STMicroelectronics - All Rights Reserved + * Author(s): Ludovic Barre, for STMicroelectronics. + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include +#include +#include + +#include + +static const struct clk_ops *ops; + +int clk_enable(unsigned long id) +{ + assert((ops != NULL) && (ops->enable != NULL)); + + return ops->enable(id); +} + +void clk_disable(unsigned long id) +{ + assert((ops != NULL) && (ops->disable != NULL)); + + ops->disable(id); +} + +unsigned long clk_get_rate(unsigned long id) +{ + assert((ops != NULL) && (ops->get_rate != NULL)); + + return ops->get_rate(id); +} + +int clk_get_parent(unsigned long id) +{ + assert((ops != NULL) && (ops->get_parent != NULL)); + + return ops->get_parent(id); +} + +bool clk_is_enabled(unsigned long id) +{ + assert((ops != NULL) && (ops->is_enabled != NULL)); + + return ops->is_enabled(id); +} + +/* + * Initialize the clk. The fields in the provided clk + * ops pointer must be valid. + */ +void clk_register(const struct clk_ops *ops_ptr) +{ + assert((ops_ptr != NULL) && + (ops_ptr->enable != NULL) && + (ops_ptr->disable != NULL) && + (ops_ptr->get_rate != NULL) && + (ops_ptr->get_parent != NULL) && + (ops_ptr->is_enabled != NULL)); + + ops = ops_ptr; +} -- cgit v1.2.3