linux-kernel - [PATCH V2 2/2] reset: reset-zynqmp: add support for Versal NET platform

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Message-ID: <20230721041119.4058430-3-piyush.mehta@amd.com>
Date:   Fri, 21 Jul 2023 09:41:19 +0530
From:   Piyush Mehta <piyush.mehta@....com>
To:     <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <p.zabel@...gutronix.de>,
        <michal.simek@....com>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <git@....com>, Piyush Mehta <piyush.mehta@....com>
Subject: [PATCH V2 2/2] reset: reset-zynqmp: add support for Versal NET platform

Updated the reset driver to support Versal NET platform.
As part of adding support for versal NET:
- Added Versal NET specific compatible string.
- Reset Id and number of resets.

Signed-off-by: Piyush Mehta <piyush.mehta@....com>
---
 drivers/reset/reset-zynqmp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/reset/reset-zynqmp.c b/drivers/reset/reset-zynqmp.c
index 59dc0ff9af9e..2391ac16a180 100644
--- a/drivers/reset/reset-zynqmp.c
+++ b/drivers/reset/reset-zynqmp.c
@@ -14,6 +14,7 @@
 #define ZYNQMP_NR_RESETS (ZYNQMP_PM_RESET_END - ZYNQMP_PM_RESET_START)
 #define ZYNQMP_RESET_ID ZYNQMP_PM_RESET_START
 #define VERSAL_NR_RESETS	95
+#define VERSAL_NET_NR_RESETS	176
 
 struct zynqmp_reset_soc_data {
 	u32 reset_id;
@@ -88,6 +89,11 @@ static const struct zynqmp_reset_soc_data versal_reset_data = {
 	.num_resets = VERSAL_NR_RESETS,
 };
 
+static const struct zynqmp_reset_soc_data versal_net_reset_data = {
+	.reset_id = 0,
+	.num_resets = VERSAL_NET_NR_RESETS,
+};
+
 static const struct reset_control_ops zynqmp_reset_ops = {
 	.reset = zynqmp_reset_reset,
 	.assert = zynqmp_reset_assert,
@@ -122,6 +128,7 @@ static int zynqmp_reset_probe(struct platform_device *pdev)
 static const struct of_device_id zynqmp_reset_dt_ids[] = {
 	{ .compatible = "xlnx,zynqmp-reset", .data = &zynqmp_reset_data, },
 	{ .compatible = "xlnx,versal-reset", .data = &versal_reset_data, },
+	{ .compatible = "xlnx,versal-net-reset", .data = &versal_net_reset_data, },
 	{ /* sentinel */ },
 };
 
-- 
2.25.1