u-boot.git/drivers/i2c, branch v2021.01 Unnamed repository; edit this file 'description' to name the repository. i2c: mxc_i2c: improve error message readability 2020-12-26T13:56:09+00:00 Marc Ferland ferlandm@amotus.ca 2020-12-21T14:50:16+00:00 26c7048dd9d04158a23e9dbfe3f0dccc4febcaed Use 0x%2lx to print the i2c bus base address in hexadecimal format instead of printing as an integer. Signed-off-by: Marc Ferland <ferlandm@amotus.ca> Reviewed-by: Fabio Estevam <festevam@gmail.com> 
Use 0x%2lx to print the i2c bus base address in hexadecimal format
instead of printing as an integer.

Signed-off-by: Marc Ferland <ferlandm@amotus.ca>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
i2c: ocores: add i2c driver for OpenCores I2C controller 2020-11-28T07:30:41+00:00 Pragnesh Patel pragnesh.patel@sifive.com 2020-11-14T09:12:34+00:00 b2d4cbe6d47a7685c66517edd265a78dfc8b9c98 Add support for the OpenCores I2C controller IP core (See http://www.opencores.org/projects.cgi/web/i2c/overview). This driver implementation is inspired from the Linux OpenCores I2C driver available. Thanks to Peter Korsgaard <peter@korsgaard.com> for writing Linux OpenCores I2C driver. Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com> Reviewed-by: Rick Chen <rick@andestech.com> 
Add support for the OpenCores I2C controller IP core
(See http://www.opencores.org/projects.cgi/web/i2c/overview).

This driver implementation is inspired from the Linux OpenCores
I2C driver available.

Thanks to Peter Korsgaard <peter@korsgaard.com> for writing Linux
OpenCores I2C driver.

Signed-off-by: Pragnesh Patel <pragnesh.patel@sifive.com>
Reviewed-by: Rick Chen <rick@andestech.com>
i2c: designware_i2c: Don't warn if no reset controller 2020-11-28T07:30:41+00:00 Simon Glass sjg@chromium.org 2020-11-09T14:12:49+00:00 942012246a7a1dea66869be7763d73f0565bdb7b At present if CONFIG_RESET is not enabled, this code shows a warning: designware_i2c_ofdata_to_platdata() i2c_designware_pci i2c2@16,0: Can't get reset: -524 Avoid this by checking if reset is supported, first. Fixes: 622597dee4f ("i2c: designware: add reset ctrl to driver") Signed-off-by: Simon Glass <sjg@chromium.org> 
At present if CONFIG_RESET is not enabled, this code shows a warning:

  designware_i2c_ofdata_to_platdata() i2c_designware_pci i2c2@16,0:
	Can't get reset: -524

Avoid this by checking if reset is supported, first.

Fixes: 622597dee4f ("i2c: designware: add reset ctrl to driver")
Signed-off-by: Simon Glass <sjg@chromium.org>
i2c: mvtwsi: disable i2c slave also on Armada 8k 2020-11-28T07:17:16+00:00 Baruch Siach baruch@tkos.co.il 2020-10-01T11:49:02+00:00 5a13c0d1348284b7f2a2c9b463ceedac67166d07 The hidden I2C slave is also present on the Armada 8k AP806. Testing shows that this I2C slave causes the same issues as Armada 38x. Disabling that I2C slave fixes all these issues. I2C blocks on the Armada 8k CP110 are not affected. Extend the I2C slave disable to Armada 8k as well. Cc: Stefan Roese <sr@denx.de> Signed-off-by: Baruch Siach <baruch@tkos.co.il> 
The hidden I2C slave is also present on the Armada 8k AP806. Testing
shows that this I2C slave causes the same issues as Armada 38x.
Disabling that I2C slave fixes all these issues.

I2C blocks on the Armada 8k CP110 are not affected.

Extend the I2C slave disable to Armada 8k as well.

Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
dm: Add a test for of-platdata parent information 2020-10-29T20:42:18+00:00 Simon Glass sjg@chromium.org 2020-10-03T17:31:36+00:00 fbe27a54ebbe7433bbccf242f4edda61e2c1ba3e Add a simple test that we can obtain the correct parent for an I2C device. This requires updating the driver names to match the compatible strings, adding them to the devicetree and enabling a few options. Signed-off-by: Simon Glass <sjg@chromium.org> 
Add a simple test that we can obtain the correct parent for an I2C
device. This requires updating the driver names to match the compatible
strings, adding them to the devicetree and enabling a few options.

Signed-off-by: Simon Glass <sjg@chromium.org>
sandbox: Fix up building for of-platdata 2020-10-29T20:42:18+00:00 Simon Glass sjg@chromium.org 2020-10-03T17:31:34+00:00 67507e4aab5b58c62cd57b855ce97a83d882479c There is no devicetree with of-platdata. Update a few uclasses to allow them to be built for sandbox_spl. Also drop the i2c-gpio from SPL to avoid build errors, since it does not support of-platdata. Signed-off-by: Simon Glass <sjg@chromium.org> 
There is no devicetree with of-platdata. Update a few uclasses to allow
them to be built for sandbox_spl. Also drop the i2c-gpio from SPL to avoid
build errors, since it does not support of-platdata.

Signed-off-by: Simon Glass <sjg@chromium.org>
i2c: i2c-gpio: Convert to use APIs which support live DT 2020-10-23T17:33:07+00:00 Patrick Delaunay patrick.delaunay@st.com 2020-09-10T16:25:09+00:00 7a462740d09f16a060ac74873a708214524c83d4 Use ofnode_ or dev_ APIs instead of fdt_ and fdtdec_ APIs so that the driver can support live DT. Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com> Reviewed-by: Heiko Schocher <hs@denx.de> 
Use ofnode_ or dev_ APIs instead of fdt_ and fdtdec_ APIs so that the
driver can support live DT.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
i2c: designware: Use log_debug() for debugging 2020-10-22T13:54:52+00:00 Simon Glass sjg@chromium.org 2020-09-28T00:46:23+00:00 acdd248bf27abc1f4621e90665d2cc281b832313 We don't want the debug output to be visible in a normal boot. Silence it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher<hs@denx.de> 
We don't want the debug output to be visible in a normal boot. Silence it.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher<hs@denx.de>
Merge branch 'next' 2020-10-05T18:10:59+00:00 Tom Rini trini@konsulko.com 2020-10-05T17:05:46+00:00 b7e7831e5d5be047f421ddc1f308afc22764a893 Bring in the assorted changes that have been staged in the 'next' branch prior to release. Signed-off-by: Tom Rini <trini@konsulko.com> 
Bring in the assorted changes that have been staged in the 'next' branch
prior to release.

Signed-off-by: Tom Rini <trini@konsulko.com>
i2c: rcar_i2c: Fix i2c read/write errors 2020-10-01T03:41:44+00:00 Lad Prabhakar prabhakar.mahadev-lad.rj@bp.renesas.com 2020-09-30T12:24:12+00:00 86a73b0905430c0a637280d33afa498b366f4d23 commit 7c8f821e5dde ("i2c: rcar_i2c: Set the slave address from rcar_i2c_xfer") blindly called rcar_i2c_set_addr() with read argument always set to 1 during xfer which introduced read/write errors, whereas earlier rcar_i2c_read_common() called rcar_i2c_set_addr() with read set to 1 and rcar_i2c_write_common() called rcar_i2c_set_addr() with read set 0. Fixes: 7c8f821e5dde ("i2c: rcar_i2c: Set the slave address from rcar_i2c_xfer") Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Marek Vasut <marek.vasut+renesas@gmail.com> Reviewed-by: Heiko Schocher <hs@denx.de> 
commit 7c8f821e5dde ("i2c: rcar_i2c: Set the slave address from
rcar_i2c_xfer") blindly called rcar_i2c_set_addr() with read argument
always set to 1 during xfer which introduced read/write errors, whereas
earlier rcar_i2c_read_common() called rcar_i2c_set_addr() with read set to
1 and rcar_i2c_write_common() called rcar_i2c_set_addr() with read set 0.

Fixes: 7c8f821e5dde ("i2c: rcar_i2c: Set the slave address from rcar_i2c_xfer")
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>