diff options
| author | GuEe-GUI <[email protected]> | 2024-10-31 19:33:15 +0800 |
|---|---|---|
| committer | Rbb666 <[email protected]> | 2024-11-20 15:53:23 +0800 |
| commit | 10cac76d3bfc86fda251013c5573c146836762e7 (patch) | |
| tree | fdb34e5a9102d92d7db672fd0a25e2d1b67320e7 /components/drivers/include | |
| parent | f5aca55a26f2f9f092267e3cd67da3cef2c87a6a (diff) | |
[DM/FEATURE] Support MFD syscon
MFD (Multifunction device) with System Controller Register Read/Write.
Signed-off-by: GuEe-GUI <[email protected]>
Diffstat (limited to 'components/drivers/include')
| -rwxr-xr-x | components/drivers/include/drivers/syscon.h | 35 | ||||
| -rw-r--r-- | components/drivers/include/rtdevice.h | 4 |
2 files changed, 39 insertions, 0 deletions
diff --git a/components/drivers/include/drivers/syscon.h b/components/drivers/include/drivers/syscon.h new file mode 100755 index 0000000000..15bb98b6a2 --- /dev/null +++ b/components/drivers/include/drivers/syscon.h @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2006-2023, RT-Thread Development Team + * + * SPDX-License-Identifier: Apache-2.0 + * + * Change Logs: + * Date Author Notes + * 2023-02-25 GuEe-GUI the first version + */ + +#ifndef __SYSCON_H__ +#define __SYSCON_H__ + +#include <drivers/ofw.h> + +struct rt_syscon +{ + rt_list_t list; + + struct rt_ofw_node *np; + + void *iomem_base; + rt_size_t iomem_size; + struct rt_spinlock rw_lock; +}; + +rt_err_t rt_syscon_read(struct rt_syscon *syscon, rt_off_t offset, rt_uint32_t *out_val); +rt_err_t rt_syscon_write(struct rt_syscon *syscon, rt_off_t offset, rt_uint32_t val); +rt_err_t rt_syscon_update_bits(struct rt_syscon *syscon, rt_off_t offset, rt_uint32_t mask, rt_uint32_t val); + +struct rt_syscon *rt_syscon_find_by_ofw_node(struct rt_ofw_node *np); +struct rt_syscon *rt_syscon_find_by_ofw_compatible(const char *compatible); +struct rt_syscon *rt_syscon_find_by_ofw_phandle(struct rt_ofw_node *np, const char *propname); + +#endif /* __SYSCON_H__ */ diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h index a9a8515b7f..2a30d8f0d5 100644 --- a/components/drivers/include/rtdevice.h +++ b/components/drivers/include/rtdevice.h @@ -56,6 +56,10 @@ extern "C" { #ifdef RT_USING_PIC #include "drivers/pic.h" #endif + +#ifdef RT_MFD_SYSCON +#include "drivers/syscon.h" +#endif #endif /* RT_USING_DM */ #ifdef RT_USING_RTC |