From: k.son@samsung.com
To: p.zabel@pengutronix.de, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
jszhang@kernel.org, guoren@kernel.org, wefu@redhat.com,
paul.walmsley@sifive.com, palmer@dabbelt.com,
aou@eecs.berkeley.edu, inki.dae@samsung.com
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org,
Kwanghoon Son <k.son@samsung.com>
Subject: [PATCH 0/3] Introduce reset driver for T-HEAD th1520 SoC
Date: Tue, 12 Sep 2023 02:49:11 +0000 [thread overview]
Message-ID: <20230912024914.3769440-1-k.son@samsung.com> (raw)
In-Reply-To: <CGME20230912024917epcas1p29a513dcf6019fb7c63275aa0e39b1c71@epcas1p2.samsung.com>
From: Kwanghoon Son <k.son@samsung.com>
This patchset adds initial support for reset driver.
Register information is from vendor kernel [1].
I sent an e-mail to get permission the original author,
but there was no answer. So I upload patch since it has GPL license.
This patch also can be tested with watchdog simply with
```
watchdog0: watchdog@ffefc30000 {
compatible = "snps,dw-wdt";
reg = <0xff 0xefc30000 0x0 0x1000>;
interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&osc>;
resets = <&rst TH1520_RESET_WDT0>;
status = "okay";
};
```
[1] https://github.com/revyos/thead-kernel.git
Changelog:
rfc:
https://lore.kernel.org/linux-riscv/20230904042559.2322997-1-k.son@samsung.com/
- dt_binding_check
- enable reset controller default
Kwanghoon Son (3):
dt-bindings: reset: Document th1520 reset control
reset: Add th1520 reset driver support
riscv: dts: Add th1520 reset device tree
.../bindings/reset/thead,th1520-reset.yaml | 47 ++++++++
arch/riscv/boot/dts/thead/th1520.dtsi | 8 ++
drivers/reset/Kconfig | 10 ++
drivers/reset/Makefile | 1 +
drivers/reset/reset-th1520.c | 109 ++++++++++++++++++
include/dt-bindings/reset/th1520-reset.h | 9 ++
6 files changed, 184 insertions(+)
create mode 100644 Documentation/devicetree/bindings/reset/thead,th1520-reset.yaml
create mode 100644 drivers/reset/reset-th1520.c
create mode 100644 include/dt-bindings/reset/th1520-reset.h
--
2.34.1
next parent reply other threads:[~2023-09-12 3:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20230912024917epcas1p29a513dcf6019fb7c63275aa0e39b1c71@epcas1p2.samsung.com>
2023-09-12 2:49 ` k.son [this message]
[not found] ` <CGME20230912024917epcas1p4bb4d649f97b592c3245b10b6450d32cf@epcas1p4.samsung.com>
2023-09-12 2:49 ` [PATCH 1/3] dt-bindings: reset: Document th1520 reset control k.son
2023-09-12 7:04 ` Krzysztof Kozlowski
[not found] ` <CGME20230912024917epcas1p26c59f79ab6904823417d625d6a711d36@epcas1p2.samsung.com>
2023-09-12 2:49 ` [PATCH 2/3] reset: Add th1520 reset driver support k.son
[not found] ` <CGME20230912024917epcas1p2076a3a0674ae94e8c8641cc9eb617eac@epcas1p2.samsung.com>
2023-09-12 2:49 ` [PATCH 3/3] riscv: dts: Add th1520 reset device tree k.son
2023-09-12 7:05 ` Krzysztof Kozlowski
2023-09-12 3:16 ` [PATCH 0/3] Introduce reset driver for T-HEAD th1520 SoC Kwanghoon Son
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