linux-kernel - [PATCH v8 0/2] Add support for Amlogic S4 PWM

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Message-Id: <20240613-s4-pwm-v8-0-b5bd0a768282@amlogic.com>
Date: Thu, 13 Jun 2024 19:46:34 +0800
From: Kelvin Zhang via B4 Relay <devnull+kelvin.zhang.amlogic.com@...nel.org>
To: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-pwm@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 devicetree@...r.kernel.org, Kelvin Zhang <kelvin.zhang@...ogic.com>, 
 Junyi Zhao <junyi.zhao@...ogic.com>, 
 George Stark <gnstark@...utedevices.com>
Subject: [PATCH v8 0/2] Add support for Amlogic S4 PWM

Add support for Amlogic S4 PWM, including the driver and DTS.

Signed-off-by: Kelvin Zhang <kelvin.zhang@...ogic.com>
---
Changes in v8:
- Return dev_err_probe() in meson_pwm_init_channels_s4().
- Check the result of devm_add_action_or_reset().
- Link to v7: https://lore.kernel.org/r/20240605-s4-pwm-v7-0-e822b271d7b0@amlogic.com

Changes in v7:
- Put devm_add_action_or_reset() into the for loop.
- Remove the error handling of meson_pwm_init_channels_s4().
- Remove the repeated device node 'pwm-a-pins'.
- Some minor fixes and improvements.
- Link to v6: https://lore.kernel.org/r/20240529-s4-pwm-v6-0-270f63049f20@amlogic.com

Changes in v6:
- Rename 'pwm_meson_s4_data' to 'pwm_s4_data'.
- Rename 'meson_pwm_init_channels_meson_s4' to 'meson_pwm_init_channels_s4'.
- Adjust the order of the device nodes according to their unit addresses.
- Some minor improvements.
- Link to v5: https://lore.kernel.org/r/20240521-s4-pwm-v5-0-0c91f5fa32cd@amlogic.com

Changes in v5:
- Add devm_add_action_or_reset for free clk when unloading.
- Replace the underscores of node name with dashes.
- Link to v4: https://lore.kernel.org/r/20240424-s4-pwm-v4-0-ee22effd40d0@amlogic.com

---
Junyi Zhao (2):
      pwm: meson: Add support for Amlogic S4 PWM
      arm64: dts: amlogic: Add Amlogic S4 PWM

 arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 199 ++++++++++++++++++++++++++++++
 drivers/pwm/pwm-meson.c                   |  39 ++++++
 2 files changed, 238 insertions(+)
---
base-commit: 9d99040b1bc8dbf385a8aa535e9efcdf94466e19
change-id: 20240424-s4-pwm-2d709986caee

Best regards,
-- 
Kelvin Zhang <kelvin.zhang@...ogic.com>