From 1c1597c8027aa4a98a56e8b5b341ddc38451f0e8 Mon Sep 17 00:00:00 2001 From: Kunihiko Hayashi Date: Fri, 29 Oct 2021 19:39:03 +0900 Subject: phy: uniphier-pcie: Add compatible string and SoC-dependent data for NX1 SoC Add basic support for UniPhier NX1 SoC. This includes a compatible string, SoC-dependent data, and a function that set to 2-lane mode. Signed-off-by: Kunihiko Hayashi Link: https://lore.kernel.org/r/1635503947-18250-5-git-send-email-hayashi.kunihiko@socionext.com Signed-off-by: Vinod Koul --- drivers/phy/socionext/phy-uniphier-pcie.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'drivers/phy') diff --git a/drivers/phy/socionext/phy-uniphier-pcie.c b/drivers/phy/socionext/phy-uniphier-pcie.c index 6bdbd1f214dd..fde8aac5f4b6 100644 --- a/drivers/phy/socionext/phy-uniphier-pcie.c +++ b/drivers/phy/socionext/phy-uniphier-pcie.c @@ -39,6 +39,10 @@ #define SG_USBPCIESEL 0x590 #define SG_USBPCIESEL_PCIE BIT(0) +/* SC */ +#define SC_US3SRCSEL 0x2244 +#define SC_US3SRCSEL_2LANE GENMASK(9, 8) + #define PCL_PHY_R00 0 #define RX_EQ_ADJ_EN BIT(3) /* enable for EQ adjustment */ #define PCL_PHY_R06 6 @@ -261,6 +265,12 @@ static void uniphier_pciephy_ld20_setmode(struct regmap *regmap) SG_USBPCIESEL_PCIE, SG_USBPCIESEL_PCIE); } +static void uniphier_pciephy_nx1_setmode(struct regmap *regmap) +{ + regmap_update_bits(regmap, SC_US3SRCSEL, + SC_US3SRCSEL_2LANE, SC_US3SRCSEL_2LANE); +} + static const struct uniphier_pciephy_soc_data uniphier_pro5_data = { .is_legacy = true, }; @@ -274,6 +284,11 @@ static const struct uniphier_pciephy_soc_data uniphier_pxs3_data = { .is_legacy = false, }; +static const struct uniphier_pciephy_soc_data uniphier_nx1_data = { + .is_legacy = false, + .set_phymode = uniphier_pciephy_nx1_setmode, +}; + static const struct of_device_id uniphier_pciephy_match[] = { { .compatible = "socionext,uniphier-pro5-pcie-phy", @@ -287,6 +302,10 @@ static const struct of_device_id uniphier_pciephy_match[] = { .compatible = "socionext,uniphier-pxs3-pcie-phy", .data = &uniphier_pxs3_data, }, + { + .compatible = "socionext,uniphier-nx1-pcie-phy", + .data = &uniphier_nx1_data, + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, uniphier_pciephy_match); -- cgit v1.2.3