openwrt/target/linux/mediatek/patches-6.6/200-phy-phy-mtk-tphy-Add-hifsys-support.patch
Daniel Golle 5b4bbd1097 mediatek: 6.6: refresh patches
Refresh patches and fix changed path for 32-bit mediatek boards
'arch/arm/dts' -> 'arch/arm/dts/mediatek'

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
2024-03-11 21:22:12 +00:00

67 lines
1.9 KiB
Diff

From 28f9a5e2a3f5441ab5594669ed82da11e32277a9 Mon Sep 17 00:00:00 2001
From: Kristian Evensen <kristian.evensen@gmail.com>
Date: Mon, 30 Apr 2018 14:38:01 +0200
Subject: [PATCH] phy: phy-mtk-tphy: Add hifsys-support
---
drivers/phy/mediatek/phy-mtk-tphy.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
--- a/drivers/phy/mediatek/phy-mtk-tphy.c
+++ b/drivers/phy/mediatek/phy-mtk-tphy.c
@@ -18,6 +18,8 @@
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "phy-mtk-io.h"
@@ -267,6 +269,9 @@
#define USER_BUF_LEN(count) min_t(size_t, 8, (count))
+#define HIF_SYSCFG1 0x14
+#define HIF_SYSCFG1_PHY2_MASK (0x3 << 20)
+
enum mtk_phy_version {
MTK_PHY_V1 = 1,
MTK_PHY_V2,
@@ -334,6 +339,7 @@ struct mtk_tphy {
void __iomem *sif_base; /* only shared sif */
const struct mtk_phy_pdata *pdata;
struct mtk_phy_instance **phys;
+ struct regmap *hif;
int nphys;
int src_ref_clk; /* MHZ, reference clock for slew rate calibrate */
int src_coef; /* coefficient for slew rate calibrate */
@@ -951,6 +957,10 @@ static void pcie_phy_instance_init(struc
if (tphy->pdata->version != MTK_PHY_V1)
return;
+ if (tphy->hif)
+ regmap_update_bits(tphy->hif, HIF_SYSCFG1,
+ HIF_SYSCFG1_PHY2_MASK, 0);
+
mtk_phy_update_bits(phya + U3P_U3_PHYA_DA_REG0,
P3A_RG_XTAL_EXT_PE1H | P3A_RG_XTAL_EXT_PE2H,
FIELD_PREP(P3A_RG_XTAL_EXT_PE1H, 0x2) |
@@ -1597,6 +1607,16 @@ static int mtk_tphy_probe(struct platfor
&tphy->src_coef);
}
+ if (of_find_property(np, "mediatek,phy-switch", NULL)) {
+ tphy->hif = syscon_regmap_lookup_by_phandle(np,
+ "mediatek,phy-switch");
+ if (IS_ERR(tphy->hif)) {
+ dev_err(&pdev->dev,
+ "missing \"mediatek,phy-switch\" phandle\n");
+ return PTR_ERR(tphy->hif);
+ }
+ }
+
port = 0;
for_each_child_of_node(np, child_np) {
struct mtk_phy_instance *instance;