[PATCH v2 1/3] phy: Extend generic_setup_phy() with PHY mode and submode
Mattijs Korpershoek
mkorpershoek at baylibre.com
Tue Jul 9 11:20:18 CEST 2024
Hi Marek,
Thank you for the patch.
On lun., juin 17, 2024 at 19:36, Marek Vasut <marek.vasut+renesas at mailbox.org> wrote:
> Extend generic_setup_phy() parameter list with PHY mode and submode and
> call generic_phy_set_mode() in generic_setup_phy(), so the generic PHY
> setup function can configure the PHY into correct mode before powering
> the PHY up.
>
> Update all call sites of generic_setup_phy() as well, all of which are
> USB host related, except for DM test which now behaves as a USB host
> test.
>
> Note that if the PHY driver does not implement the .set_mode callback,
> generic_phy_set_mode() call returns 0 and does not error out, so this
> should not break any existing systems.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
Reviewed-by: Mattijs Korpershoek <mkorpershoek at baylibre.com>
> ---
> Cc: Caleb Connolly <caleb.connolly at linaro.org>
> Cc: Fabio Estevam <festevam at gmail.com>
> Cc: Fabrice Gasnier <fabrice.gasnier at foss.st.com>
> Cc: Jonas Karlman <jonas at kwiboo.se>
> Cc: Mathieu Othacehe <othacehe at gnu.org>
> Cc: Mattijs Korpershoek <mkorpershoek at baylibre.com>
> Cc: Neil Armstrong <neil.armstrong at linaro.org>
> Cc: Nishanth Menon <nm at ti.com>
> Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org>
> Cc: Sean Anderson <seanga2 at gmail.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Sumit Garg <sumit.garg at linaro.org>
> Cc: Tim Harvey <tharvey at gateworks.com>
> Cc: Tom Rini <trini at konsulko.com>
> Cc: Xavier Drudis Ferran <xdrudis at tinet.cat>
> Cc: u-boot-qcom at groups.io
> Cc: u-boot at lists.denx.de
> ---
> V2: Add failpath to return errno from generic_phy_set_mode()
> ---
> drivers/phy/phy-uclass.c | 13 +++++++++++--
> drivers/usb/host/ehci-generic.c | 2 +-
> drivers/usb/host/ehci-msm.c | 2 +-
> drivers/usb/host/ehci-mx6.c | 2 +-
> drivers/usb/host/ehci-pci.c | 2 +-
> drivers/usb/host/ohci-generic.c | 2 +-
> include/generic-phy.h | 5 ++++-
> test/dm/phy.c | 8 ++++----
> 8 files changed, 24 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/phy/phy-uclass.c b/drivers/phy/phy-uclass.c
> index acdcda15b5b..777d952b041 100644
> --- a/drivers/phy/phy-uclass.c
> +++ b/drivers/phy/phy-uclass.c
> @@ -508,7 +508,8 @@ int generic_phy_power_off_bulk(struct phy_bulk *bulk)
> return ret;
> }
>
> -int generic_setup_phy(struct udevice *dev, struct phy *phy, int index)
> +int generic_setup_phy(struct udevice *dev, struct phy *phy, int index,
> + enum phy_mode mode, int submode)
> {
> int ret;
>
> @@ -520,10 +521,18 @@ int generic_setup_phy(struct udevice *dev, struct phy *phy, int index)
> if (ret)
> return ret;
>
> + ret = generic_phy_set_mode(phy, mode, submode);
> + if (ret)
> + goto phys_mode_err;
> +
> ret = generic_phy_power_on(phy);
> if (ret)
> - generic_phy_exit(phy);
> + goto phys_mode_err;
> +
> + return 0;
>
> +phys_mode_err:
> + generic_phy_exit(phy);
> return ret;
> }
>
> diff --git a/drivers/usb/host/ehci-generic.c b/drivers/usb/host/ehci-generic.c
> index 23c3ed25554..1ae3619ce25 100644
> --- a/drivers/usb/host/ehci-generic.c
> +++ b/drivers/usb/host/ehci-generic.c
> @@ -94,7 +94,7 @@ static int ehci_usb_probe(struct udevice *dev)
> if (err)
> goto reset_err;
>
> - err = generic_setup_phy(dev, &priv->phy, 0);
> + err = generic_setup_phy(dev, &priv->phy, 0, PHY_MODE_USB_HOST, 0);
> if (err)
> goto regulator_err;
>
> diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
> index a081f71b187..b0c060b8173 100644
> --- a/drivers/usb/host/ehci-msm.c
> +++ b/drivers/usb/host/ehci-msm.c
> @@ -56,7 +56,7 @@ static int ehci_usb_probe(struct udevice *dev)
> hcor = (struct ehci_hcor *)((phys_addr_t)hccr +
> HC_LENGTH(ehci_readl(&(hccr)->cr_capbase)));
>
> - ret = generic_setup_phy(dev, &p->phy, 0);
> + ret = generic_setup_phy(dev, &p->phy, 0, PHY_MODE_USB_HOST, 0);
> if (ret)
> return ret;
>
> diff --git a/drivers/usb/host/ehci-mx6.c b/drivers/usb/host/ehci-mx6.c
> index 31cd8a50f4a..a93fa5d5455 100644
> --- a/drivers/usb/host/ehci-mx6.c
> +++ b/drivers/usb/host/ehci-mx6.c
> @@ -703,7 +703,7 @@ static int ehci_usb_probe(struct udevice *dev)
> usb_phy_enable(ehci, priv->phy_addr);
> #endif
> #else
> - ret = generic_setup_phy(dev, &priv->phy, 0);
> + ret = generic_setup_phy(dev, &priv->phy, 0, PHY_MODE_USB_HOST, 0);
> if (ret)
> goto err_regulator;
> #endif
> diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
> index 572686580cd..8d05b14e898 100644
> --- a/drivers/usb/host/ehci-pci.c
> +++ b/drivers/usb/host/ehci-pci.c
> @@ -30,7 +30,7 @@ static int ehci_pci_init(struct udevice *dev, struct ehci_hccr **ret_hccr,
> int ret;
> u32 cmd;
>
> - ret = generic_setup_phy(dev, &priv->phy, 0);
> + ret = generic_setup_phy(dev, &priv->phy, 0, PHY_MODE_USB_HOST, 0);
> if (ret)
> return ret;
>
> diff --git a/drivers/usb/host/ohci-generic.c b/drivers/usb/host/ohci-generic.c
> index f1325cd4953..cc44226f5e0 100644
> --- a/drivers/usb/host/ohci-generic.c
> +++ b/drivers/usb/host/ohci-generic.c
> @@ -50,7 +50,7 @@ static int ohci_usb_probe(struct udevice *dev)
> goto reset_err;
> }
>
> - err = generic_setup_phy(dev, &priv->phy, 0);
> + err = generic_setup_phy(dev, &priv->phy, 0, PHY_MODE_USB_HOST, 0);
> if (err)
> goto reset_err;
>
> diff --git a/include/generic-phy.h b/include/generic-phy.h
> index eaab7491660..47962023236 100644
> --- a/include/generic-phy.h
> +++ b/include/generic-phy.h
> @@ -415,10 +415,13 @@ int generic_phy_power_off_bulk(struct phy_bulk *bulk);
> * @dev: The consumer device.
> * @phy: A pointer to the PHY port
> * @index: The index in the list of available PHYs
> + * @mode: PHY mode
> + * @submode: PHY submode
> *
> * Return: 0 if OK, or negative error code.
> */
> -int generic_setup_phy(struct udevice *dev, struct phy *phy, int index);
> +int generic_setup_phy(struct udevice *dev, struct phy *phy, int index,
> + enum phy_mode mode, int submode);
>
> /**
> * generic_shutdown_phy() - Power off and de-initialize phy.
> diff --git a/test/dm/phy.c b/test/dm/phy.c
> index d14117f6f7a..a90881b12ab 100644
> --- a/test/dm/phy.c
> +++ b/test/dm/phy.c
> @@ -243,20 +243,20 @@ static int dm_test_phy_setup(struct unit_test_state *uts)
> "gen_phy_user", &parent));
>
> /* normal */
> - ut_assertok(generic_setup_phy(parent, &phy, 0));
> + ut_assertok(generic_setup_phy(parent, &phy, 0, PHY_MODE_USB_HOST, 0));
> ut_assertok(generic_shutdown_phy(&phy));
>
> /* power_off fail with -EIO */
> - ut_assertok(generic_setup_phy(parent, &phy, 1));
> + ut_assertok(generic_setup_phy(parent, &phy, 1, PHY_MODE_USB_HOST, 0));
> ut_asserteq(-EIO, generic_shutdown_phy(&phy));
>
> /* power_on fail with -EIO */
> - ut_asserteq(-EIO, generic_setup_phy(parent, &phy, 2));
> + ut_asserteq(-EIO, generic_setup_phy(parent, &phy, 2, PHY_MODE_USB_HOST, 0));
> ut_assertok(generic_shutdown_phy(&phy));
>
> /* generic_phy_get_by_index fail with -ENOENT */
> ut_asserteq(-ENOENT, generic_phy_get_by_index(parent, 3, &phy));
> - ut_assertok(generic_setup_phy(parent, &phy, 3));
> + ut_assertok(generic_setup_phy(parent, &phy, 3, PHY_MODE_USB_HOST, 0));
> ut_assertok(generic_shutdown_phy(&phy));
>
> return 0;
> --
> 2.43.0
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