Commit Graph

7 Commits

Author SHA1 Message Date
Andrejs Cainikovs
feebfe95a6 arm64: dts: k3-am625-verdin: enable nau8822 pll
In current configuration, nau8822 codec on development carrier board
provides distorted audio output. This happens due to reference clock
is fixed to 25MHz and no PLL is enabled. Following is the calculation
of deviation error for different frequencies:

44100Hz:

fs = 256 (fixed)
prescaler = 2
target frequency = 44100 * 256 * 2 = 22579200
deviation = 22579200 vs 25000000 = 9.6832%

48000Hz:

fs = 256 (fixed)
prescaler = 2
target frequency = 48000 * 256 * 2 = 24576000
deviation = 24576000 vs 25000000 = 1.696%

Enabling nau822 PLL via providing mclk-fs property to simple-audio-card
configures clocks properly, but also adjusts audio reference clock
(mclk), which in case of TI AM62 should be avoided, as it only
supports 25MHz output [1][2].

This change enables PLL on nau8822 by providing mclk-fs, and moves
away audio reference clock from DAI configuration, which prevents
simple-audio-card to adjust it before every playback [3].

[1]: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1175479/processor-sdk-am62x-output-audio_ext_refclk0-as-mclk-for-codec-and-mcbsp/4444986#4444986
[2]: https://e2e.ti.com/support/processors-group/processors/f/processors-forum/1188051/am625-audio_ext_refclk1-clock-output---dts-support/4476322#4476322
[3]: sound/soc/generic/simple-card-utils.c#L441

Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20240418105730.120913-1-andrejs.cainikovs@gmail.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
2024-07-01 21:36:06 +05:30
Francesco Dolcini
69ef7d9c29 arm64: dts: ti: k3-am625-verdin: add PCIe reset gpio hog
Add a GPIO hog to release PCIe reset on the carrier board, this is
required to use M.2 or mPCIe cards.

Verdin AM62 does not have any PCIe interface, however the Verdin family
has PCIe and normally an M.2 or mPCIe slot is available in the carrier
board that can be used with cards that use only the USB interface toward
the host CPU, for example cellular network modem.

Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20240327182801.5997-3-francesco@dolcini.it
Signed-off-by: Nishanth Menon <nm@ti.com>
2024-04-09 19:29:15 -05:00
Judith Mendez
eea929f0e0 arm64: dts: ti: k3-am6*: Remove DLL properties for soft PHYs
Remove DLL properties which are not applicable for soft PHYs
since these PHYs do not have a DLL to enable.

Acked-by: Francesco Dolcini <francesco.dolcini@toradex.com> # Verdin AM62
Signed-off-by: Judith Mendez <jm@ti.com>
Tested-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20240213235701.2438513-7-jm@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
2024-02-19 12:02:47 +05:30
Parth Pancholi
26e0124683 arm64: dts: ti: k3-am625-verdin: Enable Verdin UART2
Enable UART2 for AM62 based SOM's Verdin carrier boards Dahlia,
Development and Yavia.

Earlier Verdin UART2 was reserved by R5 DM firmware which can be now
configured using boardcfg during U-boot compilation. In a default
config, no one writes to this UART.

Signed-off-by: Parth Pancholi <parth.pancholi@toradex.com>
Reviewed-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20231121160436.1032364-1-parth105105@gmail.com
Signed-off-by: Nishanth Menon <nm@ti.com>
2023-12-04 12:17:08 -06:00
Francesco Dolcini
c90658201c arm64: dts: ti: verdin-am62: dev: add sound card
Add NAU8822 based analog sound card to Development carrier board.

Reviewed-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230807202159.13095-4-francesco@dolcini.it
Signed-off-by: Nishanth Menon <nm@ti.com>
2023-08-08 07:20:02 -05:00
Hiago De Franco
7480cea33b arm64: dts: ti: k3-am625-verdin: enable CAN_2
Add Verdin CAN_2 (TI AM62 MCU_MCAN0) and enable it on the Yavia,
Dahlia and Verdin Development board.

Signed-off-by: Hiago De Franco <hiago.franco@toradex.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230802073635.11290-3-francesco@dolcini.it
Signed-off-by: Nishanth Menon <nm@ti.com>
2023-08-05 13:51:51 -05:00
Francesco Dolcini
316b80246b arm64: dts: ti: add verdin am62
This patch adds the device tree to support Toradex Verdin AM62 a
computer on module which can be used on different carrier boards
and the Toradex Verdin Development Board carrier board.

The module consists of an TI AM62 family SoC (either AM623 or AM625), a
TPS65219 PMIC, a Gigabit Ethernet PHY, 512MB to 2GB of LPDDR4 RAM, an
eMMC, a TLA2024 ADC, an I2C EEPROM, an RX8130 RTC, and optional Parallel
RGB to MIPI DSI bridge plus an optional Bluetooth/Wi-Fi module.

Anything that is not self-contained on the module is disabled by
default.

So far there is no display nor USB role switch supported, apart of that
all the other functionalities are fine.

Link: https://developer.toradex.com/hardware/verdin-som-family/modules/verdin-am62/
Link: https://www.toradex.com/computer-on-modules/verdin-arm-family/ti-am62
Link: https://www.toradex.com/products/carrier-board/verdin-development-board-kit
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Link: https://lore.kernel.org/r/20230615095058.33890-4-francesco@dolcini.it
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
2023-06-15 20:58:38 +05:30