linux-kernel - [PATCH 0/2] Add QCOM PMIC PWM driver

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Message-Id: <20210427102247.822-1-fenglinw@codeaurora.org>
Date:   Tue, 27 Apr 2021 18:22:08 +0800
From:   Fenglin Wu <fenglinw@...eaurora.org>
To:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     subbaram@...eaurora.org, collinsd@...eaurora.org,
        aghayal@...eaurora.org, fenglinw@...eaurora.org
Subject: [PATCH 0/2] Add QCOM PMIC PWM driver

Add PWM driver to support PWM modules inside QCOM PMIC chips which are accessed
through SPMI bus. Normally, there would be multiple PWM modules with adjacent
address spaces present in one PMIC chip, and each PWM module has 0x100 size of
address space. With this driver, a pwm_chip with multiple pwm_device individuals
is created, and each pwm_device individual is corresponding to one PWM module.

Fenglin Wu (2):
  dt-bindings: pwm: add bindings for PWM modules inside QCOM PMICs
  pwm: pwm-qcom: add driver for PWM modules in QCOM PMICs

 .../devicetree/bindings/pwm/pwm-qcom.yaml          |  51 ++
 drivers/pwm/Kconfig                                |   9 +
 drivers/pwm/Makefile                               |   1 +
 drivers/pwm/pwm-qcom.c                             | 585 +++++++++++++++++++++
 4 files changed, 646 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pwm/pwm-qcom.yaml
 create mode 100644 drivers/pwm/pwm-qcom.c

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