mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-04 05:50:17 +00:00
1373ffde52
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmWARagACgkQFHw5/5Y0 tyyB/gv9HPhYpvmGi8GcqmlQ2Y2fDr5c5Tti0BUMtMzLGM/J8CEcfSF4oPmdPy3f NHHWlCTzO8HHtoCZg1h5NknbrFaYVFdrKAV/Vy7JDH9J+/uEd39i6UJUO3TkIcpr Ykb6eXL1OdTnjVFOs3VPcLc93No3Rb3chC1aqb447r1rgWc+uqyZcQrdDMyko6sh e0l+JRlpi0xprwF5/THKbNdnU4XrryRtienpFclzSwrAzz3vuoUteqRwQY7auttz RQMlTQooV1D73bOc2kZjLKH5xXdjU3bT9PetR/mHkzCDa6xbNy/OWxnpS8b4+dVh cjTpeHcgDIRjtOv9kmi4fZPt4865KxJ5jk8WCCfOwPRlgUe0q3tJgEQMBy3fEgNw BmnzLVqpHAAMQZDx93D8RxdzyiInGATIMfdFFPQ04R/UqNCO3XmSnHno4CZ/lm4w fjiP7NgwKe7rnXNbhCdBEmZqfwb7MA5RQ5/zxsdbeIuk5tOIMi7nBa+CNLUGD7bh 6QGsTrYf =lS+J -----END PGP SIGNATURE----- Merge tag 'v2024.01-rc5' into next Prepare v2024.01-rc5
218 lines
6.1 KiB
C
218 lines
6.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2016, NVIDIA CORPORATION.
|
|
*/
|
|
|
|
#ifndef __SANDBOX_CLK_H
|
|
#define __SANDBOX_CLK_H
|
|
|
|
#include <clk.h>
|
|
#include <dt-structs.h>
|
|
#include <linux/clk-provider.h>
|
|
|
|
struct udevice;
|
|
|
|
/**
|
|
* enum sandbox_clk_id - Identity of clocks implemented by the sandbox clock
|
|
* provider.
|
|
*
|
|
* These IDs are within/relative-to the clock provider.
|
|
*/
|
|
enum sandbox_clk_id {
|
|
SANDBOX_CLK_ID_SPI,
|
|
SANDBOX_CLK_ID_I2C,
|
|
SANDBOX_CLK_ID_UART1,
|
|
SANDBOX_CLK_ID_UART2,
|
|
SANDBOX_CLK_ID_BUS,
|
|
|
|
SANDBOX_CLK_ID_COUNT,
|
|
};
|
|
|
|
/**
|
|
* enum sandbox_clk_test_id - Identity of the clocks consumed by the sandbox
|
|
* clock test device.
|
|
*
|
|
* These are the IDs the clock consumer knows the clocks as.
|
|
*/
|
|
enum sandbox_clk_test_id {
|
|
SANDBOX_CLK_TEST_ID_FIXED,
|
|
SANDBOX_CLK_TEST_ID_SPI,
|
|
SANDBOX_CLK_TEST_ID_I2C,
|
|
SANDBOX_CLK_TEST_ID_I2C_ROOT,
|
|
SANDBOX_CLK_TEST_ID_DEVM1,
|
|
SANDBOX_CLK_TEST_ID_DEVM2,
|
|
SANDBOX_CLK_TEST_ID_DEVM_NULL,
|
|
|
|
SANDBOX_CLK_TEST_ID_COUNT,
|
|
};
|
|
|
|
#define SANDBOX_CLK_TEST_NON_DEVM_COUNT SANDBOX_CLK_TEST_ID_DEVM1
|
|
|
|
struct sandbox_clk_priv {
|
|
bool probed;
|
|
ulong rate[SANDBOX_CLK_ID_COUNT];
|
|
bool enabled[SANDBOX_CLK_ID_COUNT];
|
|
bool requested[SANDBOX_CLK_ID_COUNT];
|
|
};
|
|
|
|
struct sandbox_clk_test {
|
|
struct clk clks[SANDBOX_CLK_TEST_NON_DEVM_COUNT];
|
|
struct clk *clkps[SANDBOX_CLK_TEST_ID_COUNT];
|
|
struct clk_bulk bulk;
|
|
};
|
|
|
|
/* Platform data for the sandbox fixed-rate clock driver */
|
|
struct sandbox_clk_fixed_rate_plat {
|
|
#if CONFIG_IS_ENABLED(OF_PLATDATA)
|
|
struct dtd_sandbox_fixed_clock dtplat;
|
|
#endif
|
|
struct clk_fixed_rate fixed;
|
|
};
|
|
|
|
/**
|
|
* sandbox_clk_query_rate - Query the current rate of a sandbox clock.
|
|
*
|
|
* @dev: The sandbox clock provider device.
|
|
* @id: The clock to query.
|
|
* @return: The rate of the clock.
|
|
*/
|
|
ulong sandbox_clk_query_rate(struct udevice *dev, int id);
|
|
/**
|
|
* sandbox_clk_query_enable - Query the enable state of a sandbox clock.
|
|
*
|
|
* @dev: The sandbox clock provider device.
|
|
* @id: The clock to query.
|
|
* @return: The rate of the clock.
|
|
*/
|
|
int sandbox_clk_query_enable(struct udevice *dev, int id);
|
|
/**
|
|
* sandbox_clk_query_requested - Query the requested state of a sandbox clock.
|
|
*
|
|
* @dev: The sandbox clock provider device.
|
|
* @id: The clock to query.
|
|
* @return: The rate of the clock.
|
|
*/
|
|
int sandbox_clk_query_requested(struct udevice *dev, int id);
|
|
|
|
/**
|
|
* sandbox_clk_test_get - Ask the sandbox clock test device to request its
|
|
* clocks.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_get(struct udevice *dev);
|
|
|
|
/**
|
|
* sandbox_clk_test_devm_get - Ask the sandbox clock test device to request its
|
|
* clocks using the managed API.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_devm_get(struct udevice *dev);
|
|
|
|
/**
|
|
* sandbox_clk_test_get_bulk - Ask the sandbox clock test device to request its
|
|
* clocks with the bulk clk API.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_get_bulk(struct udevice *dev);
|
|
/**
|
|
* sandbox_clk_test_get_rate - Ask the sandbox clock test device to query a
|
|
* clock's rate.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @id: The test device's clock ID to query.
|
|
* @return: The rate of the clock.
|
|
*/
|
|
ulong sandbox_clk_test_get_rate(struct udevice *dev, int id);
|
|
/**
|
|
* sandbox_clk_test_round_rate - Ask the sandbox clock test device to round a
|
|
* clock's rate.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @id: The test device's clock ID to configure.
|
|
* @return: The rounded rate of the clock.
|
|
*/
|
|
ulong sandbox_clk_test_round_rate(struct udevice *dev, int id, ulong rate);
|
|
/**
|
|
* sandbox_clk_test_set_rate - Ask the sandbox clock test device to set a
|
|
* clock's rate.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @id: The test device's clock ID to configure.
|
|
* @return: The new rate of the clock.
|
|
*/
|
|
ulong sandbox_clk_test_set_rate(struct udevice *dev, int id, ulong rate);
|
|
/**
|
|
* sandbox_clk_test_enable - Ask the sandbox clock test device to enable a
|
|
* clock.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @id: The test device's clock ID to configure.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_enable(struct udevice *dev, int id);
|
|
/**
|
|
* sandbox_clk_test_enable_bulk - Ask the sandbox clock test device to enable
|
|
* all clocks in it's clock bulk struct.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_enable_bulk(struct udevice *dev);
|
|
/**
|
|
* sandbox_clk_test_disable - Ask the sandbox clock test device to disable a
|
|
* clock.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @id: The test device's clock ID to configure.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_disable(struct udevice *dev, int id);
|
|
/**
|
|
* sandbox_clk_test_disable_bulk - Ask the sandbox clock test device to disable
|
|
* all clocks in it's clock bulk struct.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_disable_bulk(struct udevice *dev);
|
|
/**
|
|
* sandbox_clk_test_free - Ask the sandbox clock test device to free its
|
|
* clocks.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_free(struct udevice *dev);
|
|
/**
|
|
* sandbox_clk_test_release_bulk - Ask the sandbox clock test device to release
|
|
* all clocks in it's clock bulk struct.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_release_bulk(struct udevice *dev);
|
|
/**
|
|
* sandbox_clk_test_valid - Ask the sandbox clock test device to check its
|
|
* clocks are valid.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
int sandbox_clk_test_valid(struct udevice *dev);
|
|
/**
|
|
* sandbox_clk_test_valid - Ask the sandbox clock test device to check its
|
|
* clocks are valid.
|
|
*
|
|
* @dev: The sandbox clock test (client) device.
|
|
* @return: 0 if OK, or a negative error code.
|
|
*/
|
|
struct clk *sandbox_clk_test_get_devm_clk(struct udevice *dev, int id);
|
|
|
|
#endif
|