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

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Message-Id: <20220122001609.15904-1-ansuelsmth@gmail.com>
Date:   Sat, 22 Jan 2022 01:16:07 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Ansuel Smith <ansuelsmth@...il.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] Add QCOM TCSR driver

This is another try of the long gone TCSR driver needed for ipq8064 and
now also ipq4019. The first (and unique) proposal for this is back in
the 2015. After that only part of this got merged, to be specific a
variant of this got merged to support gsbi driver on ipq8064.

All the "configuration" part was never merged and without this ipq8064
SoC and ipq4019 SoC require custom patches to be configured correctly.

The driver itself is really simple. A syscon driver that configure the
system based on the passed bindings. All this stuff can't be moved and
handled by another driver (for example dwc3) as it's global and has to
be set only one (we have 2 dwc3 port for example)

This is necessary for some devices (especially ipq4019 based) that
require some special configuration for the internal WiFi chip memory
configuration.
Ansuel Smith (2):
  dt-bindings: soc: qcom: add qcom,tcsr bindings
  drivers: soc: qcom: add TCSR driver

 .../bindings/soc/qcom/qcom,tcsr-ipq4019.yaml  |  93 ++++++++
 .../bindings/soc/qcom/qcom,tcsr-ipq8064.yaml  |  47 +++++
 drivers/soc/qcom/Kconfig                      |   8 +
 drivers/soc/qcom/Makefile                     |   1 +
 drivers/soc/qcom/qcom_tcsr.c                  | 198 ++++++++++++++++++
 5 files changed, 347 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,tcsr-ipq4019.yaml
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,tcsr-ipq8064.yaml
 create mode 100644 drivers/soc/qcom/qcom_tcsr.c

-- 
2.33.1