u-boot.git/include/dm/read.h, branch v2020.04 Unnamed repository; edit this file 'description' to name the repository. dm: core: Add a way to read platdata for all child devices 2020-02-06T02:33:45+00:00 Simon Glass sjg@chromium.org 2020-01-27T15:49:47+00:00 f262d4ca4b2bf8a99acb37c6151c54cd80251566 When generating ACPI tables we need to make sure that all devices have read their platform data, so that they can generate the tables correctly. Rather than adding this code in ACPI, create a core function to handle it. Signed-off-by: Simon Glass <sjg@chromium.org> 
When generating ACPI tables we need to make sure that all devices have
read their platform data, so that they can generate the tables correctly.

Rather than adding this code in ACPI, create a core function to handle it.

Signed-off-by: Simon Glass <sjg@chromium.org>
dm: core: Use const device for the dev_read_...() interface 2020-02-06T02:33:45+00:00 Simon Glass sjg@chromium.org 2020-01-27T15:49:40+00:00 88b3a37eaab4004cd3d26976dc3ee875bdba0b63 These functions do not modify the device so should use a const pointer to it. Update the code accordingly. Signed-off-by: Simon Glass <sjg@chromium.org> 
These functions do not modify the device so should use a const pointer to
it. Update the code accordingly.

Signed-off-by: Simon Glass <sjg@chromium.org>
dm: core: Use const where possible in device.h 2020-02-06T02:33:45+00:00 Simon Glass sjg@chromium.org 2020-01-27T15:49:36+00:00 fc347fbdd44a01b1aba6283dec56c1374baca383 Update this header file to use const devices where possible, to permit callers to also use const. Signed-off-by: Simon Glass <sjg@chromium.org> 
Update this header file to use const devices where possible, to permit
callers to also use const.

Signed-off-by: Simon Glass <sjg@chromium.org>
dm: pci: Add a function to read a PCI BAR 2019-10-08T05:57:43+00:00 Simon Glass sjg@chromium.org 2019-09-15T18:08:58+00:00 33c215af4b9de32e5052bb716411dc34ce9b63ac At present PCI address transaction is not supported so drivers must manually read the correct BAR after reading the device tree info. The ns16550 has a suitable implementation, so move this code into the core DM support. Note that there is no live-tree equivalent at present. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> [bmeng: correct the unclear comments in test.dts] Signed-off-by: Bin Meng <bmeng.cn@gmail.com> 
At present PCI address transaction is not supported so drivers must
manually read the correct BAR after reading the device tree info. The
ns16550 has a suitable implementation, so move this code into the core
DM support.

Note that there is no live-tree equivalent at present.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: correct the unclear comments in test.dts]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
dm: core: Add functions to read 64-bit dt properties 2019-09-06T02:39:15+00:00 T Karthik Reddy t.karthik.reddy@xilinx.com 2019-09-02T14:34:30+00:00 3f3d77158b8452a16dca4a6966217b344f77f9b7 This patch adds functions dev_read_u64_default & dev_read_u64 to read unsigned 64-bit values from devicetree. Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> 
This patch adds functions dev_read_u64_default & dev_read_u64
to read unsigned 64-bit values from devicetree.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
dm: core: add support for getting register address and size 2019-08-12T17:33:39+00:00 Sekhar Nori nsekhar@ti.com 2019-08-01T13:42:56+00:00 f5b904796fa876bbfdf6eb9d2b311f9d01d80f5a Current dev_read_*() API lacks support to get address and size of a "reg" property by name or index. Add support for the same. Livetree support has been added but not tested on real hardware. The existing unit tests testing reading address from device-tree have been updated to test address as well as size. Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Sekhar Nori <nsekhar@ti.com> 
Current dev_read_*() API lacks support to get address and size
of a "reg" property by name or index. Add support for the same.

Livetree support has been added but not tested on real hardware.

The existing unit tests testing reading address from device-tree
have been updated to test address as well as size.

Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
dm: Fix parameter description of dev_read_name() 2019-07-24T19:54:08+00:00 Bin Meng bmeng.cn@gmail.com 2019-07-05T16:23:18+00:00 15d61d04b47806d6dbb91ddf5dc32798c02f4857 The comments of dev_read_name() wrongly describe "node" as its parameter. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org> 
The comments of dev_read_name() wrongly describe "node" as its
parameter.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
dm: core: Introduce xxx_translate_dma_address() 2019-07-22T07:21:28+00:00 Fabien Dessenne fabien.dessenne@st.com 2019-05-31T13:11:30+00:00 641067fb0c64dec8b6da962eb1d9fc49a6c7b499 Add the following functions to translate DMA address to CPU address: - dev_translate_dma_address() - ofnode_translate_dma_address() - of_translate_dma_address() - fdt_translate_dma_address() These functions work the same way as xxx_translate_address(), with the difference that the translation relies on the "dma-ranges" property instead of the "ranges" property. Add related test. Test report: => ut dm fdt_translation Test: dm_test_fdt_translation: test-fdt.c Test: dm_test_fdt_translation: test-fdt.c (flat tree) Failures: 0 Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> 
Add the following functions to translate DMA address to CPU address:
- dev_translate_dma_address()
- ofnode_translate_dma_address()
- of_translate_dma_address()
- fdt_translate_dma_address()
These functions work the same way as xxx_translate_address(), with the
difference that the translation relies on the "dma-ranges" property
instead of the "ranges" property.

Add related test. Test report:
=> ut dm fdt_translation
Test: dm_test_fdt_translation: test-fdt.c
Test: dm_test_fdt_translation: test-fdt.c (flat tree)
Failures: 0

Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
dm: core: Introduce dev_read_alias_highest_id() 2019-02-08T05:25:32+00:00 Michal Simek michal.simek@xilinx.com 2019-01-31T15:30:59+00:00 83e4c7e9ffa57fe4116967999c223c952a46a78a It is wrapper for calling of_alias_get_highest_id() when live tree is enabled and fdtdec_get_alias_highest_id() if not. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Heiko Schocher <hs@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> 
It is wrapper for calling of_alias_get_highest_id() when live tree is
enabled and fdtdec_get_alias_highest_id() if not.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
dm: core: Add a function to read into a unsigned int 2018-12-13T23:32:49+00:00 Simon Glass sjg@chromium.org 2018-12-10T17:37:37+00:00 a1b17e4f4c820c5ffe77ffa0c716e8b3b5d69866 The current dev_read...() functions use s32 and u32 which are convenient for device tree but not so useful for normal code, which often wants to use normal integers for values. Add a helper which supports returning an unsigned int. Also add signed versions of the unsigned readers. Signed-off-by: Simon Glass <sjg@chromium.org> 
The current dev_read...() functions use s32 and u32 which are convenient
for device tree but not so useful for normal code, which often wants to
use normal integers for values.

Add a helper which supports returning an unsigned int. Also add signed
versions of the unsigned readers.

Signed-off-by: Simon Glass <sjg@chromium.org>