[PATCH 2/3] pci: rockchip: Switch to generic-phy
Jagan Teki
jagan at amarulasolutions.com
Thu Jul 9 20:11:02 CEST 2020
Now, we have a PCIe PHY driver as part of the Generic
PHY framework. Let's use it instead of legacy PHY driver.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
drivers/pci/Kconfig | 1 +
drivers/pci/pcie_rockchip.c | 20 ++++++++++----------
drivers/pci/pcie_rockchip.h | 5 +++++
3 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 6d8c22aacf..58ca673e4b 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -200,6 +200,7 @@ config PCIE_MEDIATEK
config PCIE_ROCKCHIP
bool "Enable Rockchip PCIe driver"
select DM_PCI
+ select PHY_ROCKCHIP_PCIE
default y if ROCKCHIP_RK3399
help
Say Y here if you want to enable PCIe controller support on
diff --git a/drivers/pci/pcie_rockchip.c b/drivers/pci/pcie_rockchip.c
index 0edc2464a8..ce573aa4b4 100644
--- a/drivers/pci/pcie_rockchip.c
+++ b/drivers/pci/pcie_rockchip.c
@@ -159,8 +159,6 @@ static int rockchip_pcie_atr_init(struct rockchip_pcie *priv)
static int rockchip_pcie_init_port(struct udevice *dev)
{
struct rockchip_pcie *priv = dev_get_priv(dev);
- struct rockchip_pcie_phy *phy = pcie_get_phy(priv);
- struct rockchip_pcie_phy_ops *ops = phy_get_ops(phy);
u32 cr, val, status;
int ret;
@@ -185,7 +183,7 @@ static int rockchip_pcie_init_port(struct udevice *dev)
return ret;
}
- ret = ops->init(phy);
+ ret = generic_phy_init(&priv->pcie_phy);
if (ret) {
dev_err(dev, "failed to init phy (ret=%d)\n", ret);
goto err_exit_phy;
@@ -242,7 +240,7 @@ static int rockchip_pcie_init_port(struct udevice *dev)
cr |= PCIE_CLIENT_CONF_ENABLE | PCIE_CLIENT_MODE_RC;
writel(cr, priv->apb_base + PCIE_CLIENT_CONFIG);
- ret = ops->power_on(phy);
+ ret = generic_phy_power_on(&priv->pcie_phy);
if (ret) {
dev_err(dev, "failed to power on phy (ret=%d)\n", ret);
goto err_power_off_phy;
@@ -311,9 +309,9 @@ static int rockchip_pcie_init_port(struct udevice *dev)
return 0;
err_power_off_phy:
- ops->power_off(phy);
+ generic_phy_power_off(&priv->pcie_phy);
err_exit_phy:
- ops->exit(phy);
+ generic_phy_exit(&priv->pcie_phy);
return ret;
}
@@ -443,6 +441,12 @@ static int rockchip_pcie_parse_dt(struct udevice *dev)
return ret;
}
+ ret = generic_phy_get_by_index(dev, 0, &priv->pcie_phy);
+ if (ret) {
+ dev_err(dev, "failed to get pcie-phy (ret=%d)\n", ret);
+ return ret;
+ }
+
return 0;
}
@@ -460,10 +464,6 @@ static int rockchip_pcie_probe(struct udevice *dev)
if (ret)
return ret;
- ret = rockchip_pcie_phy_get(dev);
- if (ret)
- return ret;
-
ret = rockchip_pcie_set_vpcie(dev);
if (ret)
return ret;
diff --git a/drivers/pci/pcie_rockchip.h b/drivers/pci/pcie_rockchip.h
index 845d5059e1..6d20d5232d 100644
--- a/drivers/pci/pcie_rockchip.h
+++ b/drivers/pci/pcie_rockchip.h
@@ -9,6 +9,8 @@
*
*/
+#include <generic-phy.h>
+
#define HIWORD_UPDATE(mask, val) (((mask) << 16) | (val))
#define HIWORD_UPDATE_BIT(val) HIWORD_UPDATE(val, val)
@@ -126,6 +128,9 @@ struct rockchip_pcie {
struct udevice *vpcie3v3;
struct udevice *vpcie1v8;
struct udevice *vpcie0v9;
+
+ /* phy */
+ struct phy pcie_phy;
};
int rockchip_pcie_phy_get(struct udevice *dev);
--
2.25.1
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