recipes-wifi/linux-mt76/files/patches-3.x/0027-wifi-mt76-mt7996-add-AFE-pll-enable-before-driver-ow.patch

From 41ae938fe5d3df6b40e2b1cd5baaf8ea59bd2c46 Mon Sep 17 00:00:00 2001
From: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Date: Wed, 12 Jul 2023 23:00:29 +0800
Subject: [PATCH 27/98] wifi: mt76: mt7996: add AFE pll enable before driver
 own

Signed-off-by: StanleyYP Wang <StanleyYP.Wang@mediatek.com>
Signed-off-by: Benjamin Lin <benjamin-jw.lin@mediatek.com>
---
 mt7996/init.c | 4 ++++
 mt7996/regs.h | 7 +++++++
 2 files changed, 11 insertions(+)

diff --git a/mt7996/init.c b/mt7996/init.c
index 3656b89..273d1e7 100644
--- a/mt7996/init.c
+++ b/mt7996/init.c
@@ -782,6 +782,10 @@ static int mt7996_init_hardware(struct mt7996_dev *dev)
 	int ret, idx;
 
 	mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
+	if (is_mt7992(&dev->mt76)) {
+		mt76_rmw(dev, MT_AFE_CTL_BAND_PLL_03(MT_BAND0), MT_AFE_CTL_BAND_PLL_03_MSB_EN, 0);
+		mt76_rmw(dev, MT_AFE_CTL_BAND_PLL_03(MT_BAND1), MT_AFE_CTL_BAND_PLL_03_MSB_EN, 0);
+	}
 
 	INIT_WORK(&dev->init_work, mt7996_init_work);
 
diff --git a/mt7996/regs.h b/mt7996/regs.h
index 865e005..e76dae6 100644
--- a/mt7996/regs.h
+++ b/mt7996/regs.h
@@ -675,4 +675,11 @@ enum base_rev {
 #define MT_MCU_WM_EXCP_LR_CTRL_IDX_STATUS	GENMASK(20, 16)
 #define MT_MCU_WM_EXCP_LR_LOG			MT_MCU_WM_EXCP(0x204)
 
+/* CONN AFE CTL CON */
+#define MT_AFE_CTL_BASE				0x18043000
+#define MT_AFE_CTL_BAND(_band, ofs)		(MT_AFE_CTL_BASE + \
+						 ((_band) * 0x1000) + (ofs))
+#define MT_AFE_CTL_BAND_PLL_03(_band)		MT_AFE_CTL_BAND(_band, 0x2c)
+#define MT_AFE_CTL_BAND_PLL_03_MSB_EN		BIT(1)
+
 #endif
-- 
2.18.0