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authorLinus Torvalds <torvalds@linux-foundation.org>2022-12-19 17:40:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-12-19 17:40:58 +0300
commite79041113b19b8c7b8410d862d4a3630debded58 (patch)
tree581b5ce8a812de69078b8c825eba2cc91358d7ec /drivers/phy/tegra/phy-tegra194-p2u.c
parentb8fd76f41820951d8a6e2521c25f54afadf338bd (diff)
parentbea3ce759b4664f20f1f57c53fe018c3b67da147 (diff)
downloadlinux-e79041113b19b8c7b8410d862d4a3630debded58.tar.xz
Merge tag 'phy-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy
Pull phy updates from Vinod Koul: "This tme we have again a big pile of qcom-qmp-* changes, one new driver and bunch of new hardware support. New hardware support: - Allwinner H616 USB PHY and A100 DPHY support - TI J721s2, J784s4 and J721e support - Freescale i.MX8MP PCIe PHY support - New driver for Renesas Ethernet SERDES supporting R-Car S4-8 - Qualcomm SM8450 PCIe1 PHY support in EP mode - Qualcomm SC8280XP PCIe PHY support (including x4 mode) - Fixed Qualcomm SC8280XP USB4-USB3-DP PHY DT bindings Updates: - A big pile of updates on qcom-qmp-* drivers following the driver split and reorganization merged earlier - Phy order of API calls documentation update" * tag 'phy-for-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy: (174 commits) phy: ti: phy-j721e-wiz: add j721s2-wiz-10g module support dt-bindings: phy-j721e-wiz: add j721s2 compatible string phy: use devm_platform_get_and_ioremap_resource() phy: allwinner: phy-sun6i-mipi-dphy: Add the A100 DPHY variant phy: allwinner: phy-sun6i-mipi-dphy: Add a variant power-on hook phy: allwinner: phy-sun6i-mipi-dphy: Set the enable bit last phy: allwinner: phy-sun6i-mipi-dphy: Make RX support optional dt-bindings: sun6i-a31-mipi-dphy: Add the A100 DPHY variant dt-bindings: sun6i-a31-mipi-dphy: Add the interrupts property phy: qcom-qmp-pcie: drop redundant clock allocation phy: qcom-qmp-usb: drop redundant clock allocation phy: qcom-qmp: drop unused type header phy: qcom-qmp-usb: drop sc8280xp reference-clock source dt-bindings: phy: qcom,sc8280xp-qmp-usb3-uni: drop reference-clock source phy: qcom-qmp-combo: add support for updated sc8280xp binding phy: qcom-qmp-combo: rename DP_PHY register pointer phy: qcom-qmp-combo: rename common-register pointers phy: qcom-qmp-combo: clean up DP clock callbacks phy: qcom-qmp-combo: separate clock and provider registration phy: qcom-qmp-combo: add clock registration helper ...
Diffstat (limited to 'drivers/phy/tegra/phy-tegra194-p2u.c')
-rw-r--r--drivers/phy/tegra/phy-tegra194-p2u.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/phy/tegra/phy-tegra194-p2u.c b/drivers/phy/tegra/phy-tegra194-p2u.c
index 1415ca71de38..633e6b747275 100644
--- a/drivers/phy/tegra/phy-tegra194-p2u.c
+++ b/drivers/phy/tegra/phy-tegra194-p2u.c
@@ -15,6 +15,7 @@
#include <linux/phy/phy.h>
#define P2U_CONTROL_CMN 0x74
+#define P2U_CONTROL_CMN_ENABLE_L2_EXIT_RATE_CHANGE BIT(13)
#define P2U_CONTROL_CMN_SKP_SIZE_PROTECTION_EN BIT(20)
#define P2U_PERIODIC_EQ_CTRL_GEN3 0xc0
@@ -85,8 +86,21 @@ static int tegra_p2u_power_on(struct phy *x)
return 0;
}
+static int tegra_p2u_calibrate(struct phy *x)
+{
+ struct tegra_p2u *phy = phy_get_drvdata(x);
+ u32 val;
+
+ val = p2u_readl(phy, P2U_CONTROL_CMN);
+ val |= P2U_CONTROL_CMN_ENABLE_L2_EXIT_RATE_CHANGE;
+ p2u_writel(phy, val, P2U_CONTROL_CMN);
+
+ return 0;
+}
+
static const struct phy_ops ops = {
.power_on = tegra_p2u_power_on,
+ .calibrate = tegra_p2u_calibrate,
.owner = THIS_MODULE,
};