[PATCH v1 03/10] reset: add basic reset controller for pciesys

Frank Wunderlich
2020-08-16T08:24:24Z

bind reset controller to pciesys

Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
---
drivers/clk/mediatek/clk-mt7622.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c
index bd86b5b974..d53ed69189 100644
--- a/drivers/clk/mediatek/clk-mt7622.c
+++ b/drivers/clk/mediatek/clk-mt7622.c
@@ -594,6 +594,20 @@ static int mt7622_pciesys_probe(struct udevice *dev)
return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, pcie_cgs);
}

+static int mt7622_pciesys_bind(struct udevice *dev)
+{
+ int ret = 0;
+
+ if (IS_ENABLED(CONFIG_RESET_MEDIATEK)) {
+// PCIESYS uses in linux also 0x34 = ETHSYS reset controller
+ ret = mediatek_reset_bind(dev, ETHSYS_HIFSYS_RST_CTRL_OFS, 1);
+ if (ret)
+ debug("Warning: failed to bind reset controller\n");
+ }
+
+ return ret;
+}
+
static int mt7622_ethsys_probe(struct udevice *dev)
{
return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, eth_cgs);
@@ -710,6 +724,7 @@ U_BOOT_DRIVER(mtk_clk_pciesys) = {
.id = UCLASS_CLK,
.of_match = mt7622_pciesys_compat,
.probe = mt7622_pciesys_probe,
+ .bind = mt7622_pciesys_bind,
.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
.ops = &mtk_clk_gate_ops,
};
--
2.25.1