clk: MediaTek: bind ethsys reset controller

The ethsys contains not only the clock gating controller, but also the
reset controller for the whole ethernet subsystem and its components.

This patch adds binding of the reset controller so that the ethernet node
can have references on it.

Signed-off-by: Weijie Gao <[email protected]>

diff --git a/drivers/clk/mediatek/clk-mt7623.c b/drivers/clk/mediatek/clk-mt7623.c
index c6b09d8e18dce994882dc1c69e4a9ff0066a714c..87ad4f79ced8e1d994aed6a9bc0c3ad2d4cdf555 100644 (file)
--- a/drivers/clk/mediatek/clk-mt7623.c
+++ b/drivers/clk/mediatek/clk-mt7623.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <asm/arch-mediatek/reset.h>
 #include <asm/io.h>
 #include <dt-bindings/clock/mt7623-clk.h>
 
@@ -782,6 +783,19 @@ static int mt7623_ethsys_probe(struct udevice *dev)
        return mtk_common_clk_gate_init(dev, &mt7623_clk_tree, eth_cgs);
 }
 
+static int mt7623_ethsys_bind(struct udevice *dev)
+{
+       int ret = 0;
+
+#if CONFIG_IS_ENABLED(RESET_MEDIATEK)
+       ret = mediatek_reset_bind(dev, ETHSYS_RST_CTRL_OFS, 1);
+       if (ret)
+               debug("Warning: failed to bind ethsys reset controller\n");
+#endif
+
+       return ret;
+}
+
 static const struct udevice_id mt7623_apmixed_compat[] = {
        { .compatible = "mediatek,mt7623-apmixedsys" },
        { }
@@ -865,6 +879,7 @@ U_BOOT_DRIVER(mtk_clk_ethsys) = {
        .id = UCLASS_CLK,
        .of_match = mt7623_ethsys_compat,
        .probe = mt7623_ethsys_probe,
+       .bind = mt7623_ethsys_bind,
        .priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
        .ops = &mtk_clk_gate_ops,
 };

diff --git a/drivers/clk/mediatek/clk-mt7629.c b/drivers/clk/mediatek/clk-mt7629.c
index 2601b6cf30daf418287f3104ffbb40d9f0d15b48..6a9f60139c024f4b4c446cf2853862492f6b8b65 100644 (file)
--- a/drivers/clk/mediatek/clk-mt7629.c
+++ b/drivers/clk/mediatek/clk-mt7629.c
@@ -8,6 +8,7 @@
 
 #include <common.h>
 #include <dm.h>
+#include <asm/arch-mediatek/reset.h>
 #include <asm/io.h>
 #include <dt-bindings/clock/mt7629-clk.h>
 
@@ -602,6 +603,19 @@ static int mt7629_ethsys_probe(struct udevice *dev)
        return mtk_common_clk_gate_init(dev, &mt7629_clk_tree, eth_cgs);
 }
 
+static int mt7629_ethsys_bind(struct udevice *dev)
+{
+       int ret = 0;
+
+#if CONFIG_IS_ENABLED(RESET_MEDIATEK)
+       ret = mediatek_reset_bind(dev, ETHSYS_RST_CTRL_OFS, 1);
+       if (ret)
+               debug("Warning: failed to bind ethsys reset controller\n");
+#endif
+
+       return ret;
+}
+
 static int mt7629_sgmiisys_probe(struct udevice *dev)
 {
        return mtk_common_clk_gate_init(dev, &mt7629_clk_tree, sgmii_cgs);
@@ -695,6 +709,7 @@ U_BOOT_DRIVER(mtk_clk_ethsys) = {
        .id = UCLASS_CLK,
        .of_match = mt7629_ethsys_compat,
        .probe = mt7629_ethsys_probe,
+       .bind = mt7629_ethsys_bind,
        .priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
        .ops = &mtk_clk_gate_ops,
 };

diff --git a/drivers/clk/mediatek/clk-mtk.h b/drivers/clk/mediatek/clk-mtk.h
index 74152ed9c6e19f7b090eed45a45c7ee977fbcded..7847388b2a10e0bc297cf88cc14b05199bff49ff 100644 (file)
--- a/drivers/clk/mediatek/clk-mtk.h
+++ b/drivers/clk/mediatek/clk-mtk.h
@@ -23,6 +23,8 @@
 #define CLK_PARENT_TOPCKGEN            BIT(5)
 #define CLK_PARENT_MASK                        GENMASK(5, 4)
 
+#define ETHSYS_RST_CTRL_OFS            0x34
+
 /* struct mtk_pll_data - hardware-specific PLLs data */
 struct mtk_pll_data {
        const int id;