openwrt/target/linux/at91/patches-5.10/119-net-macb-add-support-for-sama7g5-gem-interface.patch

From 0085cd8576ceeaddeedf973b939b41ba96e3f77c Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Wed, 9 Dec 2020 15:03:38 +0200
Subject: [PATCH 119/247] net: macb: add support for sama7g5 gem interface

Add support for SAMA7G5 gigabit ethernet interface.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 drivers/net/ethernet/cadence/macb_main.c | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -4359,6 +4359,14 @@ static const struct macb_usrio_config ma
 	.refclk = MACB_BIT(CLKEN),
 };
 
+static const struct macb_usrio_config sama7g5_usrio = {
+	.mii = 0,
+	.rmii = 1,
+	.rgmii = 2,
+	.refclk = BIT(2),
+	.hdfctlen = BIT(6),
+};
+
 static const struct macb_config fu540_c000_config = {
 	.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_JUMBO |
 		MACB_CAPS_GEM_HAS_PTP,
@@ -4452,6 +4460,14 @@ static const struct macb_config zynq_con
 	.usrio = &macb_default_usrio,
 };
 
+static const struct macb_config sama7g5_gem_config = {
+	.caps = MACB_CAPS_GIGABIT_MODE_AVAILABLE | MACB_CAPS_CLK_HW_CHG,
+	.dma_burst_length = 16,
+	.clk_init = macb_clk_init,
+	.init = macb_init,
+	.usrio = &sama7g5_usrio,
+};
+
 static const struct of_device_id macb_dt_ids[] = {
 	{ .compatible = "cdns,at32ap7000-macb" },
 	{ .compatible = "cdns,at91sam9260-macb", .data = &at91sam9260_config },
@@ -4469,6 +4485,7 @@ static const struct of_device_id macb_dt
 	{ .compatible = "cdns,zynqmp-gem", .data = &zynqmp_config},
 	{ .compatible = "cdns,zynq-gem", .data = &zynq_config },
 	{ .compatible = "sifive,fu540-c000-gem", .data = &fu540_c000_config },
+	{ .compatible = "microchip,sama7g5-gem", .data = &sama7g5_gem_config },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, macb_dt_ids);