linux-kernel - [PATCH v1 0/4] Add basic Rockchip rk3128 DT support

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Message-ID: <da1252eb-85e9-bdb8-0542-207173523523@gmail.com>
Date:   Thu, 27 Oct 2022 02:50:17 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     kever.yang@...k-chips.com, heiko@...ech.de
Cc:     sjg@...omium.org, philipp.tomsich@...ll.eu,
        zhangqing@...k-chips.com, hjc@...k-chips.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, daniel.lezcano@...aro.org,
        tglx@...utronix.de, arnd@...db.de, olof@...om.net, soc@...nel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org
Subject: [PATCH v1 0/4] Add basic Rockchip rk3128 DT support

Add basic Rockchip rk3128 DT support.

Features:
  Quad-core ARM Cortex-A7MP Core processor
  Clock & reset unit
  Power management unit
  Interrupt controller
  DMAC
  6x 64 bits Timers
  4x PWMs
  1x 32 bits watchdog

Internal memory:
  Internal BootRom
  Internal SRAM 8KB

External memory:
  Dynamic Memory Interface (DDR3/DDR3L/LPDDR2)
  Nand Flash Interface
  eMMC Interface
  SD/MMC Interface

Connectivity:
  SDIO interface
  SPI Controller
  3x UART controller
  4x I2C controllers
  4x groups of GPIO (GPIO0~GPIO3), 32 GPIOs per group
  USB Host2.0
  USB OTG2.0

===

The Linux kernel has added a rk3128 clock driver in the past,
but the DT is still missing.

In U-boot the rk3128 DT doesn't conform the latest bindings
and also the pin definition don't match the TRM.

On request from the U-boot maintainers I submit a basic rk3128 DT.
https://lore.kernel.org/u-boot/258c2dbf-436d-5935-83f5-a2dbb8cf62d7@rock-chips.com/

Based on:
https://source.denx.de/u-boot/u-boot/-/blob/master/arch/arm/dts/rk3128.dtsi
https://github.com/rockchip-linux/kernel/blob/develop-4.4/arch/arm/boot/dts/rk312x.dtsi

rk3128 TRM:
https://rockchip.fr/RK312X%20TRM/

rk3128 datasheet:
https://rockchip.fr/RK3128%20datasheet%20V1.2.pdf

===

NOT TESTED WITH HARDWARE
NO THERMAL PROTECTION

===

Request:
  Review of nodes and pin definitions.

  Help with testing on hardware.

  Help with correct "arm,armv7-timer" properties.

===

Johan Jonker (4):
  dt-bindings: arm: rockchip: Add Rockchip RK3128 Evaluation board
  dt-bindings: timer: rockchip: add rockchip,rk3128-timer
  ARM: dts: rockchip: add rk3128.dtsi
  ARM: dts: rockchip: add rk3128-evb.dts

 .../devicetree/bindings/arm/rockchip.yaml     |   5 +
 .../bindings/timer/rockchip,rk-timer.yaml     |   1 +
 arch/arm/boot/dts/Makefile                    |   1 +
 arch/arm/boot/dts/rk3128-evb.dts              | 105 ++
 arch/arm/boot/dts/rk3128.dtsi                 | 930 ++++++++++++++++++
 5 files changed, 1042 insertions(+)
 create mode 100644 arch/arm/boot/dts/rk3128-evb.dts
 create mode 100644 arch/arm/boot/dts/rk3128.dtsi

--
2.20.1