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remoteproc: qcom: Add SLPI rproc support to load and boot slpi proc. 

This patch add slpi remoteproc support in existing adsp rproc driver.

Signed-off-by: Avaneesh Kumar Dwivedi <akdwived@codeaurora.org>
[bjorn: documented aggre2 and px-supply]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
hifive-unleashed-5.1
Avaneesh Kumar Dwivedi 2017-01-30 20:33:08 +05:30 committed by Bjorn Andersson
parent e323fc030c
commit 90a068ed3f
2 changed files with 47 additions and 4 deletions
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41
Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt
View File

@ -9,6 +9,7 @@ on the Qualcomm ADSP Hexagon core.
Definition: must be one of:
"qcom,msm8974-adsp-pil"
"qcom,msm8996-adsp-pil"
"qcom,msm8996-slpi-pil"
- interrupts-extended:
Usage: required
@ -24,13 +25,13 @@ on the Qualcomm ADSP Hexagon core.
- clocks:
Usage: required
Value type: <prop-encoded-array>
Definition: reference to the xo clock to be held on behalf of the
booting Hexagon core
Definition: reference to the xo clock and optionally aggre2 clock to be
held on behalf of the booting Hexagon core
- clock-names:
Usage: required
Value type: <stringlist>
Definition: must be "xo"
Definition: must be "xo" and optionally include "aggre2"
- cx-supply:
Usage: required
@ -38,6 +39,12 @@ on the Qualcomm ADSP Hexagon core.
Definition: reference to the regulator to be held on behalf of the
booting Hexagon core
- px-supply:
Usage: required
Value type: <phandle>
Definition: reference to the px regulator to be held on behalf of the
booting Hexagon core
- memory-region:
Usage: required
Value type: <phandle>
@ -96,3 +103,31 @@ ADSP, as it is found on MSM8974 boards.
qcom,smd-edge = <1>;
};
};
The following example describes the resources needed to boot control the
SLPI, as it is found on MSM8996 boards.
slpi {
compatible = "qcom,msm8996-slpi-pil";
interrupts-extended = <&intc 0 390 IRQ_TYPE_EDGE_RISING>,
<&slpi_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
<&slpi_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
<&slpi_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
<&slpi_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
interrupt-names = "wdog",
"fatal",
"ready",
"handover",
"stop-ack";
clocks = <&rpmcc MSM8996_RPM_SMD_XO_CLK_SRC>,
<&rpmcc MSM8996_RPM_SMD_AGGR2_NOC_CLK>;
clock-names = "xo", "aggre2";
cx-supply = <&pm8994_l26>;
px-supply = <&pm8994_lvs2>;
memory-region = <&slpi_region>;
qcom,smem-states = <&slpi_smp2p_out 0>;
qcom,smem-state-names = "stop";
};

10
drivers/remoteproc/qcom_adsp_pil.c
View File

@ -1,5 +1,5 @@
/*
* Qualcomm ADSP Peripheral Image Loader for MSM8974 and MSM8996
* Qualcomm ADSP/SLPI Peripheral Image Loader for MSM8974 and MSM8996
*
* Copyright (C) 2016 Linaro Ltd
* Copyright (C) 2014 Sony Mobile Communications AB
@ -459,9 +459,17 @@ static const struct adsp_data adsp_resource_init = {
.has_aggre2_clk = false,
};
static const struct adsp_data slpi_resource_init = {
.crash_reason_smem = 424,
.firmware_name = "slpi.mdt",
.pas_id = 12,
.has_aggre2_clk = true,
};
static const struct of_device_id adsp_of_match[] = {
{ .compatible = "qcom,msm8974-adsp-pil", .data = &adsp_resource_init},
{ .compatible = "qcom,msm8996-adsp-pil", .data = &adsp_resource_init},
{ .compatible = "qcom,msm8996-slpi-pil", .data = &slpi_resource_init},
{ },
};
MODULE_DEVICE_TABLE(of, adsp_of_match);