[][openwrt][mt7988][integration][Add basic Filogic 880 SoC support]
[Description]
Add basic filogic 880 SoC support to openwrt 21.02
[Release-log]
Change-Id: I57791df2e9f9f4729cb2d32f734090de52c370f2
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6592143
Build: srv_hbgsm110
diff --git a/target/linux/mediatek/patches-5.4/8010-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch b/target/linux/mediatek/patches-5.4/8010-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch
new file mode 100644
index 0000000..c20e930
--- /dev/null
+++ b/target/linux/mediatek/patches-5.4/8010-phy-phy-mtk-xsphy-support-type-switch-by-pericfg.patch
@@ -0,0 +1,142 @@
+diff --git a/drivers/phy/mediatek/phy-mtk-xsphy.c b/drivers/phy/mediatek/phy-mtk-xsphy.c
+index 8c51131..e77092c 100644
+--- a/drivers/phy/mediatek/phy-mtk-xsphy.c
++++ b/drivers/phy/mediatek/phy-mtk-xsphy.c
+@@ -12,10 +12,12 @@
+ #include <linux/delay.h>
+ #include <linux/io.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>
+
+ /* u2 phy banks */
+ #define SSUSB_SIFSLV_MISC 0x000
+@@ -88,12 +90,22 @@
+ #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;
+@@ -365,6 +377,62 @@ static void u3_phy_props_set(struct mtk_xsphy *xsphy,
+ }
+ }
+
++/* 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);
+@@ -385,6 +453,10 @@ 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);
+@@ -463,12 +535,15 @@ static struct phy *mtk_phy_xlate(struct device *dev,
+
+ 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;
+ }
+@@ -575,6 +650,10 @@ static int mtk_xsphy_probe(struct platform_device *pdev)
+ 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);