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Date:   Mon,  1 Nov 2021 13:01:50 +0800
From:   Qin Jian <qinjian@...lus1.com>
To:     robh+dt@...nel.org
Cc:     mturquette@...libre.com, sboyd@...nel.org, maz@...nel.org,
        p.zabel@...gutronix.de, broonie@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        wells.lu@...plus.com, Qin Jian <qinjian@...lus1.com>
Subject: [PATCH v3 0/8] 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 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 (8):
  dt-bindings: vendor-prefixes: Add Sunplus
  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

 .../bindings/arm/sunplus,sp7021.yaml          |  27 +
 .../bindings/clock/sunplus,sp7021-clkc.yaml   |  38 +
 .../sunplus,sp7021-intc.yaml                  |  62 ++
 .../bindings/reset/sunplus,reset.yaml         |  40 +
 .../devicetree/bindings/vendor-prefixes.yaml  |   2 +
 MAINTAINERS                                   |  15 +
 drivers/clk/Kconfig                           |   9 +
 drivers/clk/Makefile                          |   1 +
 drivers/clk/clk-sp7021.c                      | 770 ++++++++++++++++++
 drivers/irqchip/Kconfig                       |   9 +
 drivers/irqchip/Makefile                      |   1 +
 drivers/irqchip/irq-sp7021-intc.c             | 279 +++++++
 drivers/reset/Kconfig                         |   8 +
 drivers/reset/Makefile                        |   1 +
 drivers/reset/reset-sunplus.c                 | 159 ++++
 include/dt-bindings/clock/sp-sp7021.h         | 112 +++
 include/dt-bindings/reset/sp-sp7021.h         |  99 +++
 17 files changed, 1632 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 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/sp-sp7021.h
 create mode 100644 include/dt-bindings/reset/sp-sp7021.h

-- 
2.33.1

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