[U-Boot] [PATCH 03/14] net: rockchip: Add integrated phy ops

[David Wu]

Some rockchio Socs have integrated phy inside, to support it,
add the integrated phy ops.

Signed-off-by: David Wu <david...@rock-chips.com>
---

 drivers/net/gmac_rockchip.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/net/gmac_rockchip.c b/drivers/net/gmac_rockchip.c
index 5afc415..bca0a2a 100644
--- a/drivers/net/gmac_rockchip.c
+++ b/drivers/net/gmac_rockchip.c
@@ -10,6 +10,7 @@
 #include <dm.h>
 #include <clk.h>
 #include <phy.h>
+#include <reset.h>
 #include <syscon.h>
 #include <asm/io.h>
 #include <asm/arch/periph.h>
@@ -22,6 +23,7 @@
 #include <asm/arch/grf_rk3399.h>
 #include <asm/arch/grf_rv1108.h>
 #include <dm/pinctrl.h>
+#include <dm/of_access.h>
 #include <dt-bindings/clock/rk3288-cru.h>
 #include "designware.h"
 
@@ -35,6 +37,8 @@ DECLARE_GLOBAL_DATA_PTR;
 struct gmac_rockchip_platdata {
        struct dw_eth_pdata dw_eth_pdata;
        bool clock_input;
+       bool integrated_phy;
+       struct reset_ctl phy_reset;
        int tx_delay;
        int rx_delay;
 };
@@ -46,13 +50,16 @@ struct rk_gmac_ops {
                               struct dw_eth_dev *priv);
        void (*set_to_rmii)(struct gmac_rockchip_platdata *pdata);
        void (*set_to_rgmii)(struct gmac_rockchip_platdata *pdata);
+       void (*integrated_phy_powerup)(struct gmac_rockchip_platdata *pdata);
 };
 
 
 static int gmac_rockchip_ofdata_to_platdata(struct udevice *dev)
 {
        struct gmac_rockchip_platdata *pdata = dev_get_platdata(dev);
+       struct ofnode_phandle_args args;
        const char *string;
+       int ret;
 
        string = dev_read_string(dev, "clock_in_out");
        if (!strcmp(string, "input"))
@@ -60,6 +67,25 @@ static int gmac_rockchip_ofdata_to_platdata(struct udevice 
*dev)
        else
                pdata->clock_input = false;
 
+       /* If phy-handle property is passed from DT, use it as the PHY */
+       ret = dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0, &args);
+       if (ret) {
+               debug("Cannot get phy phandle: ret=%d\n", ret);
+               pdata->integrated_phy = dev_read_bool(dev, "phy-is-integrated");
+       } else {
+               debug("Found phy-handle subnode\n");
+               pdata->integrated_phy = ofnode_read_bool(args.node,
+                                                        "phy-is-integrated");
+       }
+
+       if (pdata->integrated_phy) {
+               ret = reset_get_by_name(dev, "mac-phy", &pdata->phy_reset);
+               if (ret) {
+                       debug("No PHY reset control found: ret=%d\n", ret);
+                       return ret;
+               }
+       }
+
        /* Check the new naming-style first... */
        pdata->tx_delay = dev_read_u32_default(dev, "tx_delay", -ENOENT);
        pdata->rx_delay = dev_read_u32_default(dev, "rx_delay", -ENOENT);
@@ -572,6 +598,9 @@ static int gmac_rockchip_probe(struct udevice *dev)
        if (ret)
                return ret;
 
+       if (pdata->integrated_phy && ops->integrated_phy_powerup)
+               ops->integrated_phy_powerup(pdata);
+
        switch (eth_pdata->phy_interface) {
        case PHY_INTERFACE_MODE_RGMII:
                /*
-- 
2.7.4


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