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[92.233.226.227]) by smtp.gmail.com with ESMTPSA id o5sm2569882wmh.8.2020.12.02.08.29.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Dec 2020 08:29:45 -0800 (PST) From: Srinivas Kandagatla To: bjorn.andersson@linaro.org Cc: linux-arm-msm@vger.kernel.org, agross@kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Srinivas Kandagatla Subject: [PATCH v6 0/2] pinctrl: qcom: Add sm8250 lpass lpi pinctrl support Date: Wed, 2 Dec 2020 16:29:41 +0000 Message-Id: <20201202162943.15210-1-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This patch adds support for LPASS (Low Power Audio SubSystem) LPI (Low Power Island) pinctrl on SM8250. This patch has been tested on support to Qualcomm Robotics RB5 Development Kit based on QRB5165 Robotics SoC. This board has 2 WSA881X smart speakers with onboard DMIC connected to internal LPASS codec via WSA and VA macros respectively. Most of the work is derived from downstream Qualcomm kernels. Credits to various Qualcomm authors from Patrick Lai's team who have contributed to this code. Am guessing existing qcom folder should cover maintining this driver too! If not I can send additional patch to consolidate this along with other Audio related drivers in Maintainer file! Changes since v5: - moved to use FIELD_* or u32_replace/encode apis where possible - remove all the SHIFT constants - updated function groups as suggested by Bjorn - updated setting slew rate as suggested by Bjorn Srinivas Kandagatla (2): dt-bindings: pinctrl: qcom: Add sm8250 lpass lpi pinctrl bindings pinctrl: qcom: Add sm8250 lpass lpi pinctrl driver .../pinctrl/qcom,lpass-lpi-pinctrl.yaml | 130 ++++ drivers/pinctrl/qcom/Kconfig | 8 + drivers/pinctrl/qcom/Makefile | 1 + drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 695 ++++++++++++++++++ 4 files changed, 834 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,lpass-lpi-pinctrl.yaml create mode 100644 drivers/pinctrl/qcom/pinctrl-lpass-lpi.c