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author | Peter Chen <peter.chen@nxp.com> | 2023-05-17 12:16:41 -0400 |
---|---|---|
committer | Vinod Koul <vkoul@kernel.org> | 2023-05-19 23:14:06 +0530 |
commit | 88bc4cda5e27a63061d83ba031bc69526180c3a1 (patch) | |
tree | dc34ebf3b4aa25df262690c63618a543b3594686 /drivers/phy | |
parent | 1178c93c0ab70f8f758b529ef40386e1a3cc5646 (diff) | |
download | linux-88bc4cda5e27a63061d83ba031bc69526180c3a1.tar.gz linux-88bc4cda5e27a63061d83ba031bc69526180c3a1.tar.bz2 linux-88bc4cda5e27a63061d83ba031bc69526180c3a1.zip |
phy: cadence: salvo: add access for USB2PHY
There is an offset for USB2PHY in SALVO phy, add offset parameter for read
and write API to cover both USB2 and USB3 PHY control.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Link: https://lore.kernel.org/r/20230517161646.3418250-2-Frank.Li@nxp.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
-rw-r--r-- | drivers/phy/cadence/phy-cadence-salvo.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/phy/cadence/phy-cadence-salvo.c b/drivers/phy/cadence/phy-cadence-salvo.c index e569f5f67578..06c5dbdb700e 100644 --- a/drivers/phy/cadence/phy-cadence-salvo.c +++ b/drivers/phy/cadence/phy-cadence-salvo.c @@ -15,7 +15,9 @@ #include <linux/of.h> #include <linux/of_platform.h> -/* PHY register definition */ +#define USB3_PHY_OFFSET 0x0 +#define USB2_PHY_OFFSET 0x38000 +/* USB3 PHY register definition */ #define PHY_PMA_CMN_CTRL1 0xC800 #define TB_ADDR_CMN_DIAG_HSCLK_SEL 0x01e0 #define TB_ADDR_CMN_PLL0_VCOCAL_INIT_TMR 0x0084 @@ -109,16 +111,16 @@ struct cdns_salvo_phy { }; static const struct of_device_id cdns_salvo_phy_of_match[]; -static u16 cdns_salvo_read(struct cdns_salvo_phy *salvo_phy, u32 reg) +static u16 cdns_salvo_read(struct cdns_salvo_phy *salvo_phy, u32 offset, u32 reg) { - return (u16)readl(salvo_phy->base + + return (u16)readl(salvo_phy->base + offset + reg * (1 << salvo_phy->data->reg_offset_shift)); } -static void cdns_salvo_write(struct cdns_salvo_phy *salvo_phy, +static void cdns_salvo_write(struct cdns_salvo_phy *salvo_phy, u32 offset, u32 reg, u16 val) { - writel(val, salvo_phy->base + + writel(val, salvo_phy->base + offset + reg * (1 << salvo_phy->data->reg_offset_shift)); } @@ -219,13 +221,13 @@ static int cdns_salvo_phy_init(struct phy *phy) for (i = 0; i < data->init_sequence_length; i++) { const struct cdns_reg_pairs *reg_pair = data->init_sequence_val + i; - cdns_salvo_write(salvo_phy, reg_pair->off, reg_pair->val); + cdns_salvo_write(salvo_phy, USB3_PHY_OFFSET, reg_pair->off, reg_pair->val); } /* RXDET_IN_P3_32KHZ, Receiver detect slow clock enable */ - value = cdns_salvo_read(salvo_phy, TB_ADDR_TX_RCVDETSC_CTRL); + value = cdns_salvo_read(salvo_phy, USB3_PHY_OFFSET, TB_ADDR_TX_RCVDETSC_CTRL); value |= RXDET_IN_P3_32KHZ; - cdns_salvo_write(salvo_phy, TB_ADDR_TX_RCVDETSC_CTRL, + cdns_salvo_write(salvo_phy, USB3_PHY_OFFSET, TB_ADDR_TX_RCVDETSC_CTRL, RXDET_IN_P3_32KHZ); udelay(10); |