[PATCH 1/4] phy: qcom-qmp-combo: correct sm8550 PHY programming

Neil Armstrong neil.armstrong at linaro.org
Wed Sep 6 01:02:16 PDT 2023


On 06/09/2023 09:58, Dmitry Baryshkov wrote:
> Move PCS_USB3_POWER_STATE_CONFIG1 register programming from pcs_tbl to
> the pcs_usb_tbl, where it belongs. Also, while we are at it, correct the
> offset of this register to point to 0x00, as expected.

Konrad already sent this https://lore.kernel.org/all/20230829-topic-8550_usbphy-v1-1-599ddbfa094a@linaro.org/

> 
> Fixes: 49742e9edab3 ("phy: qcom-qmp-combo: Add support for SM8550")
> Fixes: 39bbf82d8c2b ("phy: qcom-qmp: pcs-usb: Add v6 register offsets")
> Cc: Abel Vesa <abel.vesa at linaro.org>
> Cc: stable at vger.kernel.org
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
> ---
>   drivers/phy/qualcomm/phy-qcom-qmp-combo.c      | 2 +-
>   drivers/phy/qualcomm/phy-qcom-qmp-pcs-usb-v6.h | 2 +-
>   2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> index cbb28afce135..41b9be56eead 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
> @@ -859,7 +859,6 @@ static const struct qmp_phy_init_tbl sm8550_usb3_pcs_tbl[] = {
>   	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_PCS_TX_RX_CONFIG, 0x0c),
>   	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_EQ_CONFIG1, 0x4b),
>   	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_EQ_CONFIG5, 0x10),
> -	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1, 0x68),
>   };
>   
>   static const struct qmp_phy_init_tbl sm8550_usb3_pcs_usb_tbl[] = {
> @@ -867,6 +866,7 @@ static const struct qmp_phy_init_tbl sm8550_usb3_pcs_usb_tbl[] = {
>   	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
>   	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
>   	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00),
> +	QMP_PHY_INIT_CFG(QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1, 0x68),
>   };
>   
>   static const struct qmp_phy_init_tbl qmp_v4_dp_serdes_tbl[] = {
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-usb-v6.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-usb-v6.h
> index 9510e63ba9d8..5409ddcd3eb5 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-usb-v6.h
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-usb-v6.h
> @@ -12,7 +12,6 @@
>   #define QPHY_USB_V6_PCS_LOCK_DETECT_CONFIG3		0xcc
>   #define QPHY_USB_V6_PCS_LOCK_DETECT_CONFIG6		0xd8
>   #define QPHY_USB_V6_PCS_REFGEN_REQ_CONFIG1		0xdc
> -#define QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1	0x90
>   #define QPHY_USB_V6_PCS_RX_SIGDET_LVL			0x188
>   #define QPHY_USB_V6_PCS_RCVR_DTCT_DLY_P1U2_L		0x190
>   #define QPHY_USB_V6_PCS_RCVR_DTCT_DLY_P1U2_H		0x194
> @@ -23,6 +22,7 @@
>   #define QPHY_USB_V6_PCS_EQ_CONFIG1			0x1dc
>   #define QPHY_USB_V6_PCS_EQ_CONFIG5			0x1ec
>   
> +#define QPHY_USB_V6_PCS_USB3_POWER_STATE_CONFIG1	0x00
>   #define QPHY_USB_V6_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL	0x18
>   #define QPHY_USB_V6_PCS_USB3_RXEQTRAINING_DFE_TIME_S2	0x3c
>   #define QPHY_USB_V6_PCS_USB3_RCVR_DTCT_DLY_U3_L		0x40




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