Documentation: Add DT binding for tegra-epl driver

Add DT binding for tegra-epl driver

Bug 3583609

Change-Id: Idcbc693689ce8516d32956655ac23e6c0401168a
Signed-off-by: Rahul Bedarkar <rabedarkar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2710278
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Rahul Bedarkar
2022-05-09 12:09:33 +00:00
committed by mobile promotions
parent 6f854558c1
commit 26a2a22e85

View File

@@ -0,0 +1,95 @@
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/platform/tegra/tegra-epl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Device tree binding for NVIDIA Tegra EPL
maintainers:
- Rahul Bedarkar <rabedarkar@nvidia.com>
description: |
The tegra-epl driver provides interface for reporting software detected errors
to Functional Safety Island (FSI) via HSP mailbox or MISC EC registers.
properties:
compatible:
enum:
- nvidia,tegra234-epl-client
mboxes:
maxItems: 1
description: |
Specifies TX mailbox.
mbox-names:
maxItems: 1
description: |
Specifies the name for TX mailbox. It should be "epl-tx".
reg:
minItems: 11
maxItems: 11
description: |
Address and size pairs of MISC EC error and assert registers followed by
address and size of mission error status register.
client-misc-sw-generic-err0:
description: |
Device driver's name for reporting errors via MISCREG_MISC_EC_ERR0_SW_ERR_CODE_0.
client-misc-sw-generic-err1:
description: |
Device driver's name for reporting errors via MISCREG_MISC_EC_ERR1_SW_ERR_CODE_0.
client-misc-sw-generic-err2:
description: |
Device driver's name for reporting errors via MISCREG_MISC_EC_ERR2_SW_ERR_CODE_0.
client-misc-sw-generic-err3:
description: |
Device driver's name for reporting errors via MISCREG_MISC_EC_ERR3_SW_ERR_CODE_0.
client-misc-sw-generic-err4:
description: |
Device driver's name for reporting errors via MISCREG_MISC_EC_ERR4_SW_ERR_CODE_0.
required:
- compatible
- mboxes
- mbox-names
- reg
additionalProperties: false
examples:
- |
#include <dt-bindings/mailbox/tegra186-hsp.h>
#define TEGRA_HSP_MBOX_TYPE_SM_128BIT (1 << 8)
soc {
#address-cells = <1>;
#size-cells = <1>;
epl_client@110000 {
compatible = "nvidia,tegra234-epl-client";
mboxes =
<&hsp_top2 (TEGRA_HSP_MBOX_TYPE_SM | TEGRA_HSP_MBOX_TYPE_SM_128BIT) TEGRA_HSP_SM_RX(1)>;
mbox-names = "epl-tx";
reg = <0x00110000 0x4>,
<0x00110004 0x4>,
<0x00120000 0x4>,
<0x00120004 0x4>,
<0x00130000 0x4>,
<0x00130004 0x4>,
<0x00140000 0x4>,
<0x00140004 0x4>,
<0x00150000 0x4>,
<0x00150004 0x4>,
<0x024e0038 0x4>;
client-misc-sw-generic-err0 = "fsicom_client";
client-misc-sw-generic-err4 = "gk20e";
};
};
...