From: Jingbao Qiu <qiujingbao.dlmu@gmail.com>
To: a.zummo@towertech.it, alexandre.belloni@bootlin.com,
robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
conor+dt@kernel.org, paul.walmsley@sifive.com,
palmer@dabbelt.com, aou@eecs.berkeley.edu
Cc: linux-rtc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v5 0/1] dt-bindings: riscv: sophgo: add RTC for CV1800
Date: Mon, 8 Jan 2024 15:22:52 +0800 [thread overview]
Message-ID: <20240108072253.30183-1-qiujingbao.dlmu@gmail.com> (raw)
Real Time Clock (RTC) is an independently powered module
within the chip, which includes a 32KHz oscillator and
a Power On Reset/POR submodule. It can be used for time
display and timed alarm generation.
Power On Reset/POR submodule only using register resources
so it should be empty. The 32KHz oscillator only provides
pulses for RTC in hardware.
Changes since v4:
- remove POR dt-bindings because it empty
- remove MFD dt-bindings because SoC does
not have MFDs
- add syscon attribute to share registers
with POR
v4: https://lore.kernel.org/all/20231229090643.116575-1-qiujingbao.dlmu@gmail.com/
Changes since v3:
- temporarily not submitting RTC driver code
waiting for communication with IC designer
- add MFD dt-bindings
- add POR dt-bindings
v3: https://lore.kernel.org/all/20231226100431.331616-1-qiujingbao.dlmu@gmail.com/
Changes since v2:
- add mfd support for CV1800
- add rtc to mfd
- using regmap replace iomap
- merge register address in dts
v2: https://lore.kernel.org/lkml/20231217110952.78784-1-qiujingbao.dlmu@gmail.com/
Changes since v1
- fix duplicate names in subject
- using RTC replace RTC controller
- improve the properties of dt-bindings
- using `unevaluatedProperties` replace `additionalProperties`
- dt-bindings passed the test
- using `devm_platform_ioremap_resource()` replace
`platform_get_resource()` and `devm_ioremap_resource()`
- fix random order of the code
- fix wrong wrapping of the `devm_request_irq()` and map the flag with dts
- using devm_clk_get_enabled replace `devm_clk_get()` and
`clk_prepare_enable()`
- fix return style
- add rtc clock calibration function
- use spinlock when write register on read/set time
v1: https://lore.kernel.org/lkml/20231121094642.2973795-1-qiujingbao.dlmu@gmail.com/
Jingbao Qiu (1):
dt-bindings: rtc: sophgo: add RTC support for Sophgo CV1800 series SoC
.../bindings/rtc/sophgo,cv1800-rtc.yaml | 56 +++++++++++++++++++
1 file changed, 56 insertions(+)
create mode 100644 Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml
base-commit: 92c255c7157a07614f3e1df4eb63fbd49bc738e0
--
2.43.0
next reply other threads:[~2024-01-08 7:22 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-08 7:22 Jingbao Qiu [this message]
2024-01-08 7:22 ` [PATCH v5 1/1] dt-bindings: rtc: sophgo: add RTC support for Sophgo CV1800 series SoC Jingbao Qiu
2024-01-08 8:04 ` Krzysztof Kozlowski
2024-01-08 9:10 ` Jingbao Qiu
2024-01-08 9:28 ` Krzysztof Kozlowski
2024-01-08 13:47 ` Jingbao Qiu
2024-01-08 15:24 ` Krzysztof Kozlowski
2024-01-09 2:26 ` Jingbao Qiu
2024-01-09 8:02 ` Krzysztof Kozlowski
2024-01-09 9:51 ` Jingbao Qiu
2024-01-08 8:02 ` [PATCH v5 0/1] dt-bindings: riscv: sophgo: add RTC for CV1800 Krzysztof Kozlowski
2024-01-08 9:00 ` Jingbao Qiu
2024-01-08 9:06 ` Krzysztof Kozlowski
2024-01-08 9:11 ` Jingbao Qiu
2024-01-08 9:28 ` Krzysztof Kozlowski
2024-01-08 13:42 ` Jingbao Qiu
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