net: airoha: add support for airoha en7523 SoC family

Add support for Ethernet controller present in Airoha en7523/en7529/en7562.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>

diff --git a/drivers/net/airoha_eth.c b/drivers/net/airoha_eth.c
index 62dd7f7..3234d87 100644 (file)
--- a/drivers/net/airoha_eth.c
+++ b/drivers/net/airoha_eth.c
@@ -313,6 +313,25 @@ struct airoha_eth {
        struct airoha_gdm_port *ports[AIROHA_MAX_NUM_GDM_PORTS];
 };
 
+struct airoha_eth_soc_data {
+       int num_xsi_rsts;
+       const char * const *xsi_rsts_names;
+       const char *switch_compatible;
+};
+
+static const char * const en7523_xsi_rsts_names[] = {
+       "hsi0-mac",
+       "hsi1-mac",
+       "hsi-mac",
+};
+
+static const char * const en7581_xsi_rsts_names[] = {
+       "hsi0-mac",
+       "hsi1-mac",
+       "hsi-mac",
+       "xfp-mac",
+};
+
 static u32 airoha_rr(void __iomem *base, u32 offset)
 {
        return readl(base + offset);
@@ -679,10 +698,12 @@ static int airoha_hw_init(struct udevice *dev,
 
 static int airoha_switch_init(struct udevice *dev, struct airoha_eth *eth)
 {
+       struct airoha_eth_soc_data *data = (void *)dev_get_driver_data(dev);
        ofnode switch_node;
        fdt_addr_t addr;
 
-       switch_node = ofnode_by_compatible(ofnode_null(), "airoha,en7581-switch");
+       switch_node = ofnode_by_compatible(ofnode_null(),
+                                          data->switch_compatible);
        if (!ofnode_valid(switch_node))
                return -EINVAL;
 
@@ -719,9 +740,10 @@ static int airoha_switch_init(struct udevice *dev, struct airoha_eth *eth)
 
 static int airoha_eth_probe(struct udevice *dev)
 {
+       struct airoha_eth_soc_data *data = (void *)dev_get_driver_data(dev);
        struct airoha_eth *eth = dev_get_priv(dev);
        struct regmap *scu_regmap;
-       int ret;
+       int i, ret;
 
        scu_regmap = airoha_get_scu_regmap();
        if (IS_ERR(scu_regmap))
@@ -743,11 +765,11 @@ static int airoha_eth_probe(struct udevice *dev)
                return -ENOMEM;
        eth->rsts.count = AIROHA_MAX_NUM_RSTS;
 
-       eth->xsi_rsts.resets = devm_kcalloc(dev, AIROHA_MAX_NUM_XSI_RSTS,
+       eth->xsi_rsts.resets = devm_kcalloc(dev, data->num_xsi_rsts,
                                            sizeof(struct reset_ctl), GFP_KERNEL);
        if (!eth->xsi_rsts.resets)
                return -ENOMEM;
-       eth->xsi_rsts.count = AIROHA_MAX_NUM_XSI_RSTS;
+       eth->xsi_rsts.count = data->num_xsi_rsts;
 
        ret = reset_get_by_name(dev, "fe", &eth->rsts.resets[0]);
        if (ret)
@@ -761,21 +783,12 @@ static int airoha_eth_probe(struct udevice *dev)
        if (ret)
                return ret;
 
-       ret = reset_get_by_name(dev, "hsi0-mac", &eth->xsi_rsts.resets[0]);
-       if (ret)
-               return ret;
-
-       ret = reset_get_by_name(dev, "hsi1-mac", &eth->xsi_rsts.resets[1]);
-       if (ret)
-               return ret;
-
-       ret = reset_get_by_name(dev, "hsi-mac", &eth->xsi_rsts.resets[2]);
-       if (ret)
-               return ret;
-
-       ret = reset_get_by_name(dev, "xfp-mac", &eth->xsi_rsts.resets[3]);
-       if (ret)
-               return ret;
+       for (i = 0; i < data->num_xsi_rsts; i++) {
+               ret = reset_get_by_name(dev, data->xsi_rsts_names[i],
+                                       &eth->xsi_rsts.resets[i]);
+               if (ret)
+                       return ret;
+       }
 
        ret = airoha_hw_init(dev, eth);
        if (ret)
@@ -969,8 +982,25 @@ static int arht_eth_write_hwaddr(struct udevice *dev)
        return 0;
 }
 
+static const struct airoha_eth_soc_data en7523_data = {
+       .xsi_rsts_names = en7523_xsi_rsts_names,
+       .num_xsi_rsts = ARRAY_SIZE(en7523_xsi_rsts_names),
+       .switch_compatible = "airoha,en7523-switch",
+};
+
+static const struct airoha_eth_soc_data en7581_data = {
+       .xsi_rsts_names = en7581_xsi_rsts_names,
+       .num_xsi_rsts = ARRAY_SIZE(en7581_xsi_rsts_names),
+       .switch_compatible = "airoha,en7581-switch",
+};
+
 static const struct udevice_id airoha_eth_ids[] = {
-       { .compatible = "airoha,en7581-eth" },
+       { .compatible = "airoha,en7523-eth",
+         .data = (ulong)&en7523_data,
+       },
+       { .compatible = "airoha,en7581-eth",
+         .data = (ulong)&en7581_data,
+       },
        { }
 };