From 1c111c5e95e3514e2907ef483fefd2bd993e10c3 Mon Sep 17 00:00:00 2001
From: Dongjin Kim <tobetter@gmail.com>
Date: Wed, 13 Mar 2019 06:43:20 -0400
Subject: [PATCH] ODROID-N2: phy/realtek: add to support Wake On Lan enable

Adding new kernel command line "enable_wol=<1|0>" will configure the WOL
features on next power off.

Change-Id: I4830aeb1651e90d4699887199000def1163fb6db
Signed-off-by: Dongjin Kim <tobetter@gmail.com>
(cherry picked from commit 22d698f4d279be20db337f72190d0cf1b805a9be)
---
 drivers/net/phy/realtek.c             | 20 ++++++++++++++++++++
 include/linux/amlogic/scpi_protocol.h |  3 +++
 2 files changed, 23 insertions(+)

diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c
index 3e4ab5b16b40..2e22c60e1860 100644
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -185,10 +185,30 @@ static int rtl8211f_config_init(struct phy_device *phydev)
 }
 
 #ifdef CONFIG_AMLOGIC_ETH_PRIVE
+
+#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
+#include <linux/amlogic/scpi_protocol.h>
+
+static u32 enable_wol = 0;
+
+static int __init enable_wol_setup(char *str)
+{
+	enable_wol = (str[0] != '0');
+	support_external_phy_wol = enable_wol;
+
+	return 0;
+}
+__setup("enable_wol=", enable_wol_setup);
+#endif
+
 int rtl8211f_suspend(struct phy_device *phydev)
 {
 	int value = 0;
 
+#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
+	scpi_send_usr_data(SCPI_CL_WOL, &enable_wol, sizeof(enable_wol));
+#endif
+
 	if (support_external_phy_wol) {
 		mutex_lock(&phydev->lock);
 		phy_write(phydev, RTL8211F_PAGE_SELECT, 0xd8a);
diff --git a/include/linux/amlogic/scpi_protocol.h b/include/linux/amlogic/scpi_protocol.h
index c886ce4f522e..1fe5a19eb67d 100644
--- a/include/linux/amlogic/scpi_protocol.h
+++ b/include/linux/amlogic/scpi_protocol.h
@@ -27,6 +27,9 @@ enum scpi_client_id {
 	SCPI_CL_THERMAL,
 	SCPI_CL_REMOTE,
 	SCPI_CL_LED_TIMER,
+#if defined(CONFIG_ARCH_MESON64_ODROID_COMMON)
+	SCPI_CL_WOL,
+#endif
 	SCPI_MAX,
 };