pinctrl: qcom: Add msm8994 pinctrl driver
Initial pinctrl driver for QCOM msm8994 platforms. In order to continue the initial board support for QCOM msm8994/msm8992 presented in patches from Jeremy McNicoll <jeremymc@redhat.com>, let's put a proper pinctrl driver in place. Currently, the DT for these platforms uses the msm8x74 pinctrl driver to enable basic UART. Beyond the first few pins the rest are different enough to justify it's own driver. Note: This driver is also used by QCOM's msm8992 platform as it's TLM block is the same. - Initial formatting and style was taken from the msm8x74 pinctrl driver added by Björn Andersson <bjorn.andersson@linaro.org> - Data was then adjusted per QCOM MSM8994v2 documentation for Top Level Multiplexing - Bindings documentation was based on qcom,msm8996-pinctrl.txt by Joonwoo Park <joonwoop@codeaurora.org> and then modified for msm8994 content Signed-off-by: Michael Scott <michael.scott@linaro.org> Tested-by: Jeremy McNicoll <jeremymc@redhat.com> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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