[PATCH 4/4] dt-binding: remoteproc: Introduce Qualcomm WCNSS loader binding

[Bjorn Andersson]

The document defines the binding for a component that loads firmware for
and boots the Qualcomm WCNSS core.

Signed-off-by: Bjorn Andersson 
---
 .../bindings/remoteproc/qcom,wcnss-pil.txt | 107 +
 1 file changed, 107 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt 
b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
new file mode 100644
index ..9fbaf564662e
--- /dev/null
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
@@ -0,0 +1,107 @@
+Qualcomm WCNSS Peripheral Image Loader
+
+This document defines the binding for a component that loads and boots firmware
+on the Qualcomm WCNSS core.
+
+- compatible:
+   Usage: required
+   Value type: 
+   Definition: must be one of:
+   "qcom,riva-pil",
+   "qcom,pronto-v1-pil",
+   "qcom,pronto-v2-pil"
+
+- reg:
+   Usage: required
+   Value type: 
+   Definition: base address and size of riva/pronto PMU registers
+
+- interrupts-extended:
+   Usage: required
+   Value type: 
+   Definition: should specify the watchdog, fatal, ready, handover and
+   stop-ack IRQs, in order.
+
+- interrupt-names:
+   Usage: required
+   Value type: 
+   Definition: should be "wdog", "fatal", "ready", "handover", "stop-ack"
+
+- clocks:
+   Usage: required
+   Value type: 
+   Definition: should specify the xo clock and optionally the rf_clk
+
+- clock-names:
+   Usage: requireduired
+   Value type: 
+   Definition: should be "xo", optionally followed by "rf"
+
+- qcom,firmware-name:
+   Usage: required
+   Value type: 
+   Definition: name of the firmware to be loaded
+
+- qcom,crash-reason:
+   Usage: required
+   Value type: 
+   Definition: SMEM item used by WCNSS for storing the error messages upon
+   a fatal exception
+
+- qcom,iris-vddxo-supply:
+- qcom,iris-vddrfa-supply:
+- qcom,iris-vddpa-supply:
+- qcom,iris-vdddig-supply:
+- qcom,pronto-vddmx-supply:
+- qcom,pronto-vddcx-supply:
+- qcom,pronto-vddpx-supply:
+   Usage: required
+   Value type: 
+   Definition: reference to the regulators to be held on behalf of the
+   booting of the WCNSS core
+
+- qcom,state:
+   Usage: required
+   Value type: 
+   Definition: reference to the SMEM state used to indicate to WCNSS that
+   it should shut down
+
+- qcom,state-names:
+   Usage: required
+   Value type: 
+   Definition: should be "stop"
+
+= EXAMPLE
+
+pronto_rproc@fb21b000 {
+   compatible = "qcom,pronto-v2-pil";
+   reg = <0xfb21b000 0x3000>;
+
+   interrupts-extended = < 0 149 1>,
+ <_smp2p_slave 0 0>,
+ <_smp2p_slave 1 0>,
+ <_smp2p_slave 2 0>,
+ <_smp2p_slave 3 0>;
+   interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack";
+
+   clocks = < RPM_CXO_CLK_SRC>, < RPM_CXO_A2>;
+   clock-names = "xo", "rf";
+
+   qcom,firmware-name = "wcnss";
+
+   qcom,crash-reason = <422>;
+
+   qcom,iris-vddxo-supply = <_l6>;
+   qcom,iris-vddrfa-supply = <_l11>;
+   qcom,iris-vddpa-supply = <_l19>;
+   qcom,iris-vdddig-supply = <_s3>;
+   qcom,pronto-vddmx-supply = <_s1>;
+   qcom,pronto-vddcx-supply = <_s2>;
+   qcom,pronto-vddpx-supply = <_s3>;
+
+   qcom,state = <_smp2p_out 0>;
+   qcom,state-names = "stop";
+
+   pinctrl-names = "default";
+   pinctrl-0 = <_pin_a>;
+};
-- 
1.8.2.2

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[PATCH 0/4] WCNSS Peripheral Image Loader

[Bjorn Andersson]

This series provides the minimum changes needed to use remotproc on the
Qualcomm platform, it then introduces the Peripheral Image Loader for
the WCNSS core.


The implementation depends on https://lkml.org/lkml/2015/9/24/723

Bjorn Andersson (4):
  remoteproc: core: Make the loaded resource table optional
  remoteproc: Add additional crash reasons
  remoteproc: qcom: Introduce WCNSS peripheral image loader
  dt-binding: remoteproc: Introduce Qualcomm WCNSS loader binding

 .../bindings/remoteproc/qcom,wcnss-pil.txt | 107 
 drivers/remoteproc/Kconfig |  11 +
 drivers/remoteproc/Makefile|   2 +
 drivers/remoteproc/qcom_mdt_loader.c   | 213 +++
 drivers/remoteproc/qcom_mdt_loader.h   |   8 +
 drivers/remoteproc/qcom_wcnss.c| 615 +
 drivers/remoteproc/remoteproc_core.c   |  10 +-
 include/linux/remoteproc.h |   4 +
 8 files changed, 964 insertions(+), 6 deletions(-)
 create mode 100644 
Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt
 create mode 100644 drivers/remoteproc/qcom_mdt_loader.c
 create mode 100644 drivers/remoteproc/qcom_mdt_loader.h
 create mode 100644 drivers/remoteproc/qcom_wcnss.c

-- 
1.8.2.2

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Re: [PATCH] gpio: msm: Remove unused driver

[Linus Walleij]

On Fri, Aug 28, 2015 at 2:48 PM, Stephen Boyd  wrote:

> Remove this driver now that Bjorn has introduced a pinctrl driver
> for msm8660 and the dts files have been updated with the pinctrl
> compatibles.
>
> Cc: Bjorn Andersson 
> Cc: Andy Gross 
> Signed-off-by: Stephen Boyd 

Patch rebased and applied, thanks!
This concludes the modernization of the MSM GPIO and
pin control, awesome!

Yours,
Linus Walleij
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Re: [PATCH v2 0/5] Support CPR on MSM8916

[Rafael J. Wysocki]

On Friday, September 18, 2015 05:52:04 PM Stephen Boyd wrote:
> This patch series adds support for CPR on MSM8916. The first
> patch exposes a corner voting API to the CPR driver so that we can
> change the corner for the MX regulator. If possible I would
> like to make this patch prettier, but I don't have any great
> ideas right now. The next patch adds support to adjust voltages in the OPP
> layer, and then hooks that up to cpufreq-dt so that we can adjust
> the voltage in response to what CPR tells us to do. I've also thrown
> in a patch to make RCU lockdep warnings go away, but I'm not sure if it's
> right. There's still work to do.
> 
> The final patch adds the CPR driver. This still has some rough edges. With
> the OPPv2 bindings I'm thinking of moving the frequency tables into DT
> and adding a custom vendor property to describe which fuse corner to use for
> each frequency.
> 
> Once you have these patches in place along with a CPU clock driver you
> can eanble enable cpufreq-dt and add the cpufreq-dt device (maybe the
> CPR driver should add the cpufreq-dt device?) and you'll see interrupts
> for CPR and OPP voltage adjustments triggering CPUfreq to modify voltages.
> 
> Andy Gross (1):
>   regulator: smd: Add floor and corner operations
> 
> Stephen Boyd (4):
>   PM / OPP: Support adjusting OPP voltages at runtime
>   OPP: Allow notifiers to call dev_pm_opp_get_{voltage,freq} RCU-free
>   cpufreq-dt: Handle OPP voltage adjust events
>   power: avs: Add support for CPR (Core Power Reduction)

>From the responses so far I gather there will be a v3?

Thanks,
Rafael

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Re: [PATCH 09/14] ARM: dts: ifc6410: Add missing pinctrl to gsbi7 uart

[Kevin Hilman]

Hi Srini,

On Fri, Sep 18, 2015 at 5:31 AM, Srinivas Kandagatla
<srinivas.kandaga...@linaro.org> wrote:
> This patch adds missing 2pin uart pinctrl property to gsbi7 uart on
> IFC6410.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>

kernelci.org found some new boot failures in -next on 8064[1].  I
bisected it down to this patch, which landed in linux next in the form
of commit d3a578ed4310 ARM: dts: ifc6410: Add missing pinctrl to gsbi7
uart.

Kevin

[1] 
http://kernelci.org/boot/qcom-apq8064-ifc6410/job/next/kernel/next-20150925/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=5605083c59b51466d26c3250
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Re: [Patch v3 00/10] Add RPM/SMD Support for QCOM platforms

[Mark Brown]

On Thu, Sep 24, 2015 at 02:18:49PM -0500, Andy Gross wrote:
> This patch set cleans up the documentation that is currently in place for the
> SMD, SMD-RPM, and SMD-RPM regulators.  In addition, this patch set adds 
> support
> for the PM8916 found on MSM8916 platforms and the PMA8084 found on APQ8084
> platforms.

The regulator patches are fine but depend on the first patch moving the
documentation around - I don't know how you want to handle this?


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