dt-bindings: clock: Add YAML schemas for the QCOM MSS clock bindings

The Modem Subsystem clock provider have a bunch of generic properties
that are needed in a device tree. Add a YAML schemas for those.

Add clock ids for GCC MSS and MSS clocks which are required to bring
the modem out of reset.

Signed-off-by: Taniya Das <tdas@codeaurora.org>
Link: https://lkml.kernel.org/r/1584596131-22741-2-git-send-email-tdas@codeaurora.org
Reviewed-by: Rob Herring <robh@kernel.org>
Tested-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Taniya Das 2020-03-19 11:05:29 +05:30 committed by Stephen Boyd
parent eec152734b
commit 53624f9b75
3 changed files with 80 additions and 1 deletions

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@ -0,0 +1,62 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/clock/qcom,sc7180-mss.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Modem Clock Controller Binding for SC7180
maintainers:
- Taniya Das <tdas@codeaurora.org>
description: |
Qualcomm modem clock control module which supports the clocks on SC7180.
See also:
- dt-bindings/clock/qcom,mss-sc7180.h
properties:
compatible:
const: qcom,sc7180-mss
clocks:
items:
- description: gcc_mss_mfab_axi clock from GCC
- description: gcc_mss_nav_axi clock from GCC
- description: gcc_mss_cfg_ahb clock from GCC
clock-names:
items:
- const: gcc_mss_mfab_axis
- const: gcc_mss_nav_axi
- const: cfg_ahb
'#clock-cells':
const: 1
reg:
maxItems: 1
required:
- compatible
- reg
- clocks
- '#clock-cells'
additionalProperties: false
examples:
- |
#include <dt-bindings/clock/qcom,gcc-sc7180.h>
clock-controller@41a8000 {
compatible = "qcom,sc7180-mss";
reg = <0 0x041a8000 0 0x8000>;
clocks = <&gcc GCC_MSS_MFAB_AXIS_CLK>,
<&gcc GCC_MSS_NAV_AXI_CLK>,
<&gcc GCC_MSS_CFG_AHB_CLK>;
clock-names = "gcc_mss_mfab_axis",
"gcc_mss_nav_axi",
"cfg_ahb";
#clock-cells = <1>;
};
...

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@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
* Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _DT_BINDINGS_CLK_QCOM_GCC_SC7180_H
@ -132,6 +132,11 @@
#define GCC_VIDEO_GPLL0_DIV_CLK_SRC 122
#define GCC_VIDEO_THROTTLE_AXI_CLK 123
#define GCC_VIDEO_XO_CLK 124
#define GCC_MSS_CFG_AHB_CLK 125
#define GCC_MSS_MFAB_AXIS_CLK 126
#define GCC_MSS_NAV_AXI_CLK 127
#define GCC_MSS_Q6_MEMNOC_AXI_CLK 128
#define GCC_MSS_SNOC_AXI_CLK 129
/* GCC resets */
#define GCC_QUSB2PHY_PRIM_BCR 0

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@ -0,0 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
*/
#ifndef _DT_BINDINGS_CLK_QCOM_MSS_SC7180_H
#define _DT_BINDINGS_CLK_QCOM_MSS_SC7180_H
#define MSS_AXI_CRYPTO_CLK 0
#define MSS_AXI_NAV_CLK 1
#endif