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Subject[PATCH v17 00/10] Add Sunplus SP7021 SoC Support
Date
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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