diff options
Diffstat (limited to 'target/linux/mediatek/patches-4.14/0226-phy-phy-mtk-tphy-Add-hifsys-support.patch')
| -rw-r--r-- | target/linux/mediatek/patches-4.14/0226-phy-phy-mtk-tphy-Add-hifsys-support.patch | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-4.14/0226-phy-phy-mtk-tphy-Add-hifsys-support.patch b/target/linux/mediatek/patches-4.14/0226-phy-phy-mtk-tphy-Add-hifsys-support.patch new file mode 100644 index 0000000000..1ac15bdb72 --- /dev/null +++ b/target/linux/mediatek/patches-4.14/0226-phy-phy-mtk-tphy-Add-hifsys-support.patch @@ -0,0 +1,71 @@ +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(+) + +diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c +index 721a2a1c9..0cb1cea53 100644 +--- a/drivers/phy/mediatek/phy-mtk-tphy.c ++++ b/drivers/phy/mediatek/phy-mtk-tphy.c +@@ -22,6 +22,8 @@ + #include <linux/of_address.h> + #include <linux/phy/phy.h> + #include <linux/platform_device.h> ++#include <linux/mfd/syscon.h> ++#include <linux/regmap.h> + + /* version V1 sub-banks offset base address */ + /* banks shared by multiple phys */ +@@ -259,6 +261,9 @@ + #define RG_CDR_BIRLTD0_GEN3_MSK GENMASK(4, 0) + #define RG_CDR_BIRLTD0_GEN3_VAL(x) (0x1f & (x)) + ++#define HIF_SYSCFG1 0x14 ++#define HIF_SYSCFG1_PHY2_MASK (0x3 << 20) ++ + enum mtk_phy_version { + MTK_PHY_V1 = 1, + MTK_PHY_V2, +@@ -302,6 +307,7 @@ struct mtk_tphy { + struct clk *u3phya_ref; /* reference clock of usb3 anolog phy */ + const struct mtk_phy_pdata *pdata; + struct mtk_phy_instance **phys; ++ struct regmap *hif; + int nphys; + }; + +@@ -594,6 +600,10 @@ static void pcie_phy_instance_init(struct mtk_tphy *tphy, + if (tphy->pdata->version != MTK_PHY_V1) + return; + ++ if (tphy->hif) ++ regmap_update_bits(tphy->hif, HIF_SYSCFG1, ++ HIF_SYSCFG1_PHY2_MASK, 0); ++ + tmp = readl(u3_banks->phya + U3P_U3_PHYA_DA_REG0); + tmp &= ~(P3A_RG_XTAL_EXT_PE1H | P3A_RG_XTAL_EXT_PE2H); + tmp |= P3A_RG_XTAL_EXT_PE1H_VAL(0x2) | P3A_RG_XTAL_EXT_PE2H_VAL(0x2); +@@ -1008,6 +1018,16 @@ static int mtk_tphy_probe(struct platform_device *pdev) + tphy->u3phya_ref = NULL; + } + ++ 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; +-- +2.14.1 + |