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Message-Id: <cover.1654565776.git.qinjian@cqplus1.com>
Date:   Tue,  7 Jun 2022 09:58:00 +0800
From:   Qin Jian <qinjian@...lus1.com>
To:     sboyd@...nel.org
Cc:     krzysztof.kozlowski+dt@...aro.org, robh+dt@...nel.org,
        mturquette@...libre.com, linux@...linux.org.uk, arnd@...db.de,
        olof@...om.net, soc@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        Qin Jian <qinjian@...lus1.com>
Subject: [PATCH v17 00/10] Add Sunplus SP7021 SoC Support

This patch series add Sunplus SP7021 SoC support.

Sunplus SP7021 is an ARM Cortex A7 (4 cores) based SoC. It integrates many
peripherals (ex: UART, I2C, SPI, SDIO, eMMC, USB, SD card and etc.) into a
single chip. It is designed for industrial control.

SP7021 consists of two chips (dies) in a package. One is called C-chip
(computing chip). It is a 4-core ARM Cortex A7 CPU. It adopts high-level
process (22 nm) for high performance computing. The other is called P-
chip (peripheral chip). It has many peripherals and an ARM A926 added
especially for real-time control. P-chip is made for customers. It adopts
low-level process (ex: 0.11 um) to reduce cost.

Refer to (for documentations):
https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview

Refer to (applications):
https://tibbo.com/store/plus1.html

Refer to (applications):
http://www.sinovoip.com.cn/ecp_view.asp?id=586

Changes in v17:
- Based on 5.18.1 & resend

Changes in v16:
- clk-sp7021.c: Fix the comments from Stephen Boyd
- board dts: Fix the comments from Krzysztof

Changes in v15:
- Add Sunplus SP7021-demo-v3 board dts
- Refine yaml title
- Rename dt-binding header filename to match compatible string

Changes in v14:
- clock/sp-sp7021.h: Fix the comments from Krzysztof
- sunplus,sp7021-clkc.yaml: Fix the comments from Rob

Changes in v13:
- reset/sp-sp7021.h: Move HW mapping from dt-binding header to driver
- reset-sunplus.c: Move HW mapping from dt-binding header to driver
- clock/sp-sp7021.h: Move HW mapping from dt-binding header to driver
- clk-sp7021.c: Fix the comments from Arnd
- irq-sp7021-intc.c: Remove empty set_affinity callback function
- sp7021_defconfig: Fix the comments from Arnd

Changes in v12:
- sunplus,sp7021-clkc.yaml: Move 'reg' after 'compatible'
- sunplus,sp7021-intc.yaml: Move 'reg' after 'compatible'
- sunplus,reset.yaml: Move 'reg' after 'compatible'
- Remove wrong reviewed-tags

Changes in v11:
- clk-sp7021.c: Remove the dead code

Changes in v10:
- arm/sunplus,sp7021.yaml: Add SoC compatible: "sunplus,sp7021"
- clock/sunplus,sp7021-clkc.yaml: Remove the internal clock parent from DTS
- clk-sp7021.c: Refine the macro DBG_CLK
- clk-sp7021.c: Refine the clock_parent_data

Changes in v9:
- clk/Kconfig: fix the comments form Stephen Boyd
- clk-sp7021.c: fix the comments form Stephen Boyd

Changes in v8:
- clk-sp7021.c: fix the comments form Stephen Boyd

Changes in v7:
- sunplus,sp7021-clkc.yaml: Add clocks & clock-names
- clk-sp7021.c: fix the comments form Stephen Boyd
- irq-sp7021-intc.c: fix the comments from Marc

Changes in v6:
- reset-sunplus.c: fix the comments from Philipp
- irq-sp7021-intc.c: fix the comments from Marc
- mach-sunplus: fix the comments from Arnd

Changes in v5:
- reset-sunplus.c: fix strict checks
- clk/Kconfig: fix spell
- clk-sp7021.c: using bitfield ops, fix strict checks
- irqchip/Kconfig: fix spell
- irq-sp7021-intc.c: cleanup error path in probe, fix strict checks
- arm/Kconfig: fix spell & typo, remove CONFIG_SERIAL_SUNPLUS
- mach-sunplus/Kconfig: fix typo
- sp7021_defconfig: add CONFIG_SERIAL_SUNPLUS

Changes in v4:
- mach-sunplus: add initial support for SP7021
- sp7021_defconfig: add generic SP7021 defconfig
- reset-sunplus: remove Q645 support
- reset-sunplus.c: refine code based on Philipp's review
- clk-sp7021: clock defines add prefix, more clean up

Changes in v3:
- sp7021-intc: remove primary controller mode due to P-chip running Linux
  not supported any more.
- sp7021-intc.h: removed, not set ext through the DT but sp_intc_set_ext()
- sunplus,sp7021-intc.yaml: update descriptions for above changes
- irq-sp7021-intc.c: more cleanup based on Marc's review
- all driver's Kconfig removed default, it's selected by platform config

Changes in v2:
- sunplus,sp7021-intc.yaml: add descrption for "#interrupt-cells", interrupts
- sunplus,sp7021-intc.yaml: drop "ext0-mask"/"ext1-mask" from DT
- sunplus,sp7021-intc.yaml: fix example.dt too long error
- irq-sp7021-intc.c: major rewrite
- all files with dual license

Qin Jian (10):
  dt-bindings: arm: sunplus: Add bindings for Sunplus SP7021 SoC boards
  dt-bindings: reset: Add bindings for SP7021 reset driver
  reset: Add Sunplus SP7021 reset driver
  dt-bindings: clock: Add bindings for SP7021 clock driver
  clk: Add Sunplus SP7021 clock driver
  dt-bindings: interrupt-controller: Add bindings for SP7021 interrupt
    controller
  irqchip: Add Sunplus SP7021 interrupt controller driver
  ARM: sunplus: Add initial support for Sunplus SP7021 SoC
  ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig
  ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree

 .../bindings/arm/sunplus,sp7021.yaml          |  29 +
 .../bindings/clock/sunplus,sp7021-clkc.yaml   |  52 ++
 .../sunplus,sp7021-intc.yaml                  |  62 ++
 .../bindings/reset/sunplus,reset.yaml         |  38 +
 MAINTAINERS                                   |  18 +
 arch/arm/Kconfig                              |   2 +
 arch/arm/Makefile                             |   1 +
 arch/arm/boot/dts/Makefile                    |   2 +
 arch/arm/boot/dts/sunplus-sp7021-achip.dtsi   |  84 ++
 arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts  |  26 +
 arch/arm/boot/dts/sunplus-sp7021.dtsi         | 318 ++++++++
 arch/arm/configs/multi_v7_defconfig           |   1 +
 arch/arm/configs/sp7021_defconfig             |  59 ++
 arch/arm/mach-sunplus/Kconfig                 |  27 +
 arch/arm/mach-sunplus/Makefile                |   8 +
 arch/arm/mach-sunplus/sp7021.c                |  16 +
 drivers/clk/Kconfig                           |  10 +
 drivers/clk/Makefile                          |   1 +
 drivers/clk/clk-sp7021.c                      | 727 ++++++++++++++++++
 drivers/irqchip/Kconfig                       |   9 +
 drivers/irqchip/Makefile                      |   1 +
 drivers/irqchip/irq-sp7021-intc.c             | 278 +++++++
 drivers/reset/Kconfig                         |   9 +
 drivers/reset/Makefile                        |   1 +
 drivers/reset/reset-sunplus.c                 | 212 +++++
 .../dt-bindings/clock/sunplus,sp7021-clkc.h   |  88 +++
 .../dt-bindings/reset/sunplus,sp7021-reset.h  |  87 +++
 27 files changed, 2166 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml
 create mode 100644 Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml
 create mode 100644 Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml
 create mode 100644 Documentation/devicetree/bindings/reset/sunplus,reset.yaml
 create mode 100644 arch/arm/boot/dts/sunplus-sp7021-achip.dtsi
 create mode 100644 arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts
 create mode 100644 arch/arm/boot/dts/sunplus-sp7021.dtsi
 create mode 100644 arch/arm/configs/sp7021_defconfig
 create mode 100644 arch/arm/mach-sunplus/Kconfig
 create mode 100644 arch/arm/mach-sunplus/Makefile
 create mode 100644 arch/arm/mach-sunplus/sp7021.c
 create mode 100644 drivers/clk/clk-sp7021.c
 create mode 100644 drivers/irqchip/irq-sp7021-intc.c
 create mode 100644 drivers/reset/reset-sunplus.c
 create mode 100644 include/dt-bindings/clock/sunplus,sp7021-clkc.h
 create mode 100644 include/dt-bindings/reset/sunplus,sp7021-reset.h

-- 
2.33.1

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