diff options
Diffstat (limited to 'target/linux/mediatek/patches-6.1/615-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch')
| -rw-r--r-- | target/linux/mediatek/patches-6.1/615-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/target/linux/mediatek/patches-6.1/615-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch b/target/linux/mediatek/patches-6.1/615-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch deleted file mode 100644 index a597f70caa..0000000000 --- a/target/linux/mediatek/patches-6.1/615-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch +++ /dev/null @@ -1,167 +0,0 @@ -From 50cefacc6c001eea1d9b1c78ba27304566f304f1 Mon Sep 17 00:00:00 2001 -From: Daniel Golle <daniel@makrotopia.org> -Date: Fri, 2 Jun 2023 13:06:26 +0800 -Subject: [PATCH] phy: mediatek: xsphy: support type switch by pericfg - -Patch from Sam Shih <sam.shih@mediatek.com> found in MediaTek SDK -released under GPL. - -Get syscon and use it to set the PHY type. -Extend support to PCIe and SGMII mode in addition to USB2 and USB3. - -Signed-off-by: Daniel Golle <daniel@makrotopia.org> ---- - drivers/phy/mediatek/phy-mtk-xsphy.c | 81 +++++++++++++++++++++++++++- - 1 file changed, 80 insertions(+), 1 deletion(-) - ---- a/drivers/phy/mediatek/phy-mtk-xsphy.c -+++ b/drivers/phy/mediatek/phy-mtk-xsphy.c -@@ -11,10 +11,12 @@ - #include <linux/clk.h> - #include <linux/delay.h> - #include <linux/iopoll.h> -+#include <linux/mfd/syscon.h> - #include <linux/module.h> - #include <linux/of_address.h> - #include <linux/phy/phy.h> - #include <linux/platform_device.h> -+#include <linux/regmap.h> - - #include "phy-mtk-io.h" - -@@ -81,12 +83,22 @@ - #define XSP_SR_COEF_DIVISOR 1000 - #define XSP_FM_DET_CYCLE_CNT 1024 - -+/* PHY switch between pcie/usb3/sgmii */ -+#define USB_PHY_SWITCH_CTRL 0x0 -+#define RG_PHY_SW_TYPE GENMASK(3, 0) -+#define RG_PHY_SW_PCIE 0x0 -+#define RG_PHY_SW_USB3 0x1 -+#define RG_PHY_SW_SGMII 0x2 -+ - struct xsphy_instance { - struct phy *phy; - void __iomem *port_base; - struct clk *ref_clk; /* reference clock of anolog phy */ - u32 index; - u32 type; -+ struct regmap *type_sw; -+ u32 type_sw_reg; -+ u32 type_sw_index; - /* only for HQA test */ - int efuse_intr; - int efuse_tx_imp; -@@ -259,6 +271,10 @@ static void phy_parse_property(struct mt - inst->efuse_intr, inst->efuse_tx_imp, - inst->efuse_rx_imp); - break; -+ case PHY_TYPE_PCIE: -+ case PHY_TYPE_SGMII: -+ /* nothing to do */ -+ break; - default: - dev_err(xsphy->dev, "incompatible phy type\n"); - return; -@@ -305,6 +321,62 @@ static void u3_phy_props_set(struct mtk_ - RG_XTP_LN0_RX_IMPSEL, inst->efuse_rx_imp); - } - -+/* type switch for usb3/pcie/sgmii */ -+static int phy_type_syscon_get(struct xsphy_instance *instance, -+ struct device_node *dn) -+{ -+ struct of_phandle_args args; -+ int ret; -+ -+ /* type switch function is optional */ -+ if (!of_property_read_bool(dn, "mediatek,syscon-type")) -+ return 0; -+ -+ ret = of_parse_phandle_with_fixed_args(dn, "mediatek,syscon-type", -+ 2, 0, &args); -+ if (ret) -+ return ret; -+ -+ instance->type_sw_reg = args.args[0]; -+ instance->type_sw_index = args.args[1] & 0x3; /* <=3 */ -+ instance->type_sw = syscon_node_to_regmap(args.np); -+ of_node_put(args.np); -+ dev_info(&instance->phy->dev, "type_sw - reg %#x, index %d\n", -+ instance->type_sw_reg, instance->type_sw_index); -+ -+ return PTR_ERR_OR_ZERO(instance->type_sw); -+} -+ -+static int phy_type_set(struct xsphy_instance *instance) -+{ -+ int type; -+ u32 offset; -+ -+ if (!instance->type_sw) -+ return 0; -+ -+ switch (instance->type) { -+ case PHY_TYPE_USB3: -+ type = RG_PHY_SW_USB3; -+ break; -+ case PHY_TYPE_PCIE: -+ type = RG_PHY_SW_PCIE; -+ break; -+ case PHY_TYPE_SGMII: -+ type = RG_PHY_SW_SGMII; -+ break; -+ case PHY_TYPE_USB2: -+ default: -+ return 0; -+ } -+ -+ offset = instance->type_sw_index * BITS_PER_BYTE; -+ regmap_update_bits(instance->type_sw, instance->type_sw_reg, -+ RG_PHY_SW_TYPE << offset, type << offset); -+ -+ return 0; -+} -+ - static int mtk_phy_init(struct phy *phy) - { - struct xsphy_instance *inst = phy_get_drvdata(phy); -@@ -325,6 +397,10 @@ static int mtk_phy_init(struct phy *phy) - case PHY_TYPE_USB3: - u3_phy_props_set(xsphy, inst); - break; -+ case PHY_TYPE_PCIE: -+ case PHY_TYPE_SGMII: -+ /* nothing to do, only used to set type */ -+ break; - default: - dev_err(xsphy->dev, "incompatible phy type\n"); - clk_disable_unprepare(inst->ref_clk); -@@ -403,12 +479,15 @@ static struct phy *mtk_phy_xlate(struct - - inst->type = args->args[0]; - if (!(inst->type == PHY_TYPE_USB2 || -- inst->type == PHY_TYPE_USB3)) { -+ inst->type == PHY_TYPE_USB3 || -+ inst->type == PHY_TYPE_PCIE || -+ inst->type == PHY_TYPE_SGMII)) { - dev_err(dev, "unsupported phy type: %d\n", inst->type); - return ERR_PTR(-EINVAL); - } - - phy_parse_property(xsphy, inst); -+ phy_type_set(inst); - - return inst->phy; - } -@@ -515,6 +594,10 @@ static int mtk_xsphy_probe(struct platfo - retval = PTR_ERR(inst->ref_clk); - goto put_child; - } -+ -+ retval = phy_type_syscon_get(inst, child_np); -+ if (retval) -+ goto put_child; - } - - provider = devm_of_phy_provider_register(dev, mtk_phy_xlate); |