linux-kernel - Re: [RFC 00/11] arm64: Add support for Amlogic SM1 SoC Family

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Message-ID: <66111697-00b8-4874-f7f9-bc8573e562c7@baylibre.com>
Date:   Tue, 20 Aug 2019 15:16:45 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     jbrunet@...libre.com, khilman@...libre.com
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 00/11] arm64: Add support for Amlogic SM1 SoC Family

He Kevin, Martin,

On 01/07/2019 12:46, Neil Armstrong wrote:
> The new Amlogic SM1 SoC Family is a derivative of the Amlogic G12A
> SoC Family, with the following changes :
> - Cortex-A55 cores instead of A53
> - more power domains, including USB & PCIe
> - a neural network co-processor (NNA)
> - a CSI input and image processor
> - some changes in the audio complex, thus not yet enabled
> - new clocks, for NNA, CSI and a clock tree for each CPU Core
> 
> This serie does not add support for NNA, CSI or DVFS, it only
> aligns with the current G12A Support.
> 
> With thie serie, the SEI610 Board has supported :
> - Default-boot CPU frequency
> - 4k60 HDMI without audio
> - USB3 & USB-C OTG
> - Ethernet
> - LEDs
> - IR
> - GPIO Buttons
> - eMMC
> - SDCard
> - SDIO WiFi
> - UART Bluetooth
> 
> Audio (HDMI, Embedded HP, MIcs), IR Output, & RGB Led would be
> supported in following patchsets.

Following the comments in the power domain patches, I'll respin in 2 distinct
patches :
- initial support without USB, Display & power domain updated
- power domain support with USB & Display support

Neil

> 
> Dependencies:
> - g12-common.dtsi from the DVFS patchset at [1]
> 
> [1] https://patchwork.kernel.org/cover/11025309/
> 
> Neil Armstrong (11):
>   soc: amlogic: meson-gx-socinfo: Add SM1 and S905X3 IDs
>   dt-bindings: power: amlogic, meson-gx-pwrc: Add SM1 bindings
>   soc: amlogic: gx-pwrc-vpu: add SM1 support
>   soc: amlogic: Add support for SM1 power controller
>   dt-bindings: soc: amlogic: clk-measure: Add SM1 compatible
>   soc: amlogic: clk-measure: Add support for SM1
>   dt-bindings: media: meson-ao-cec: add SM1 compatible
>   media: platform: meson-ao-cec-g12a: add support for SM1
>   dt-bindings: arm: amlogic: add SM1 bindings
>   dt-bindings: arm: amlogic: add SEI Robotics SEI610 bindings
>   arm64: dts: add support for SM1 based SEI Robotics SEI610
> 
>  .../devicetree/bindings/arm/amlogic.yaml      |   5 +
>  .../bindings/media/meson-ao-cec.txt           |   8 +-
>  .../bindings/power/amlogic,meson-gx-pwrc.txt  |  35 ++
>  .../bindings/soc/amlogic/clk-measure.txt      |   1 +
>  arch/arm64/boot/dts/amlogic/Makefile          |   1 +
>  .../boot/dts/amlogic/meson-sm1-sei610.dts     | 329 ++++++++++++++++++
>  arch/arm64/boot/dts/amlogic/meson-sm1.dtsi    |  77 ++++
>  drivers/media/platform/meson/ao-cec-g12a.c    |  37 +-
>  drivers/soc/amlogic/Kconfig                   |  11 +
>  drivers/soc/amlogic/Makefile                  |   1 +
>  drivers/soc/amlogic/meson-clk-measure.c       | 134 +++++++
>  drivers/soc/amlogic/meson-gx-pwrc-vpu.c       | 120 +++++++
>  drivers/soc/amlogic/meson-gx-socinfo.c        |   2 +
>  drivers/soc/amlogic/meson-sm1-pwrc.c          | 245 +++++++++++++
>  include/dt-bindings/power/meson-sm1-power.h   |  15 +
>  15 files changed, 1017 insertions(+), 4 deletions(-)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1-sei610.dts
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-sm1.dtsi
>  create mode 100644 drivers/soc/amlogic/meson-sm1-pwrc.c
>  create mode 100644 include/dt-bindings/power/meson-sm1-power.h
>