From 82985725e071f2a5735052f18e109a32aeac3a0b Mon Sep 17 00:00:00 2001
From: David Bauer <mail@david-bauer.net>
Date: Sun, 26 Jul 2020 02:38:31 +0200
Subject: [PATCH] add LED configuration from OF

This adds the ability to configure the LED configuration register using
OF. This way, the correct value for board specific LED configuration can
be determined.

Signed-off-by: David Bauer <mail@david-bauer.net>
---
 r8152.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

--- a/r8152.c
+++ b/r8152.c
@@ -18,6 +18,7 @@
 #include <linux/mii.h>
 #include <linux/ethtool.h>
 #include <linux/usb.h>
+#include <linux/of.h>
 #include <linux/crc32.h>
 #include <linux/if_vlan.h>
 #include <linux/uaccess.h>
@@ -12596,6 +12597,22 @@ out:
 	return ret;
 }
 
+static int r8152_led_configuration(struct r8152 *tp)
+{
+	u32 led_data;
+	int ret;
+
+	ret = of_property_read_u32(tp->udev->dev.of_node, "realtek,led-data",
+								&led_data);
+
+	if (ret)
+		return ret;
+
+	ocp_write_word(tp, MCU_TYPE_PLA, PLA_LEDSEL, led_data);
+
+	return 0;
+}
+
 static int r8152b_init(struct r8152 *tp)
 {
 	int ret;
@@ -12695,6 +12712,8 @@ static int r8152b_init(struct r8152 *tp)
 	ret = ocp_word_clr_bits(tp, MCU_TYPE_USB, USB_USB_CTRL,
 				RX_AGG_DISABLE | RX_ZERO_EN);
 
+	r8152_led_configuration(tp);
+
 out:
 	return (ret < 0) ? ret : 0;
 }
@@ -12883,6 +12902,8 @@ static int r8153_init(struct r8152 *tp)
 		break;
 	}
 
+	r8152_led_configuration(tp);
+
 out:
 	return (ret < 0) ? ret : 0;
 }
@@ -13013,6 +13034,8 @@ static int r8153b_init(struct r8152 *tp)
 
 	tp->coalesce = 15000;	/* 15 us */
 
+	r8152_led_configuration(tp);
+
 out:
 	return (ret < 0) ? ret : 0;
 }
@@ -13124,6 +13147,8 @@ static int r8153c_init(struct r8152 *tp)
 
 	tp->coalesce = 15000;	/* 15 us */
 
+	r8152_led_configuration(tp);
+
 out:
 	return (ret < 0) ? ret : 0;
 }