From: Alexander Stein <alexander.stein@ew.tq-group.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Li Jun <jun.li@nxp.com> Cc: Alexander Stein <alexander.stein@ew.tq-group.com>, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 2/4] usb: dwc3: core: add gfladj_refclk_lpm_sel quirk Date: Thu, 15 Sep 2022 08:28:53 +0200 [thread overview] Message-ID: <20220915062855.751881-3-alexander.stein@ew.tq-group.com> (raw) In-Reply-To: <20220915062855.751881-1-alexander.stein@ew.tq-group.com> This selects the SOF/ITP counter be running on ref_clk. As documented U2_FREECLK_EXISTS has to be set to 0 as well. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by: Li Jun <jun.li@nxp.com> --- drivers/usb/dwc3/core.c | 8 +++++++- drivers/usb/dwc3/core.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 656bbf9285a5..885acc63f032 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -408,6 +408,10 @@ static void dwc3_ref_clk_period(struct dwc3 *dwc) reg |= FIELD_PREP(DWC3_GFLADJ_REFCLK_FLADJ_MASK, fladj) | FIELD_PREP(DWC3_GFLADJ_240MHZDECR, decr >> 1) | FIELD_PREP(DWC3_GFLADJ_240MHZDECR_PLS1, decr & 1); + + if (dwc->gfladj_refclk_lpm_sel) + reg |= DWC3_GFLADJ_REFCLK_LPM_SEL; + dwc3_writel(dwc->regs, DWC3_GFLADJ, reg); } @@ -789,7 +793,7 @@ static int dwc3_phy_setup(struct dwc3 *dwc) else reg |= DWC3_GUSB2PHYCFG_ENBLSLPM; - if (dwc->dis_u2_freeclk_exists_quirk) + if (dwc->dis_u2_freeclk_exists_quirk || dwc->gfladj_refclk_lpm_sel) reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); @@ -1525,6 +1529,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) "snps,dis-tx-ipgap-linecheck-quirk"); dwc->parkmode_disable_ss_quirk = device_property_read_bool(dev, "snps,parkmode-disable-ss-quirk"); + dwc->gfladj_refclk_lpm_sel = device_property_read_bool(dev, + "snps,gfladj-refclk-lpm-sel-quirk"); dwc->tx_de_emphasis_quirk = device_property_read_bool(dev, "snps,tx_de_emphasis_quirk"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 7c9368145f37..d28c942e63dd 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -391,6 +391,7 @@ #define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7) #define DWC3_GFLADJ_30MHZ_MASK 0x3f #define DWC3_GFLADJ_REFCLK_FLADJ_MASK GENMASK(21, 8) +#define DWC3_GFLADJ_REFCLK_LPM_SEL BIT(23) #define DWC3_GFLADJ_240MHZDECR GENMASK(30, 24) #define DWC3_GFLADJ_240MHZDECR_PLS1 BIT(31) @@ -1312,6 +1313,7 @@ struct dwc3 { unsigned dis_del_phy_power_chg_quirk:1; unsigned dis_tx_ipgap_linecheck_quirk:1; unsigned parkmode_disable_ss_quirk:1; + unsigned gfladj_refclk_lpm_sel:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2; -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Alexander Stein <alexander.stein@ew.tq-group.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Shawn Guo <shawnguo@kernel.org>, Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix Kernel Team <kernel@pengutronix.de>, Fabio Estevam <festevam@gmail.com>, NXP Linux Team <linux-imx@nxp.com>, Li Jun <jun.li@nxp.com> Cc: Alexander Stein <alexander.stein@ew.tq-group.com>, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 2/4] usb: dwc3: core: add gfladj_refclk_lpm_sel quirk Date: Thu, 15 Sep 2022 08:28:53 +0200 [thread overview] Message-ID: <20220915062855.751881-3-alexander.stein@ew.tq-group.com> (raw) In-Reply-To: <20220915062855.751881-1-alexander.stein@ew.tq-group.com> This selects the SOF/ITP counter be running on ref_clk. As documented U2_FREECLK_EXISTS has to be set to 0 as well. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reviewed-by: Li Jun <jun.li@nxp.com> --- drivers/usb/dwc3/core.c | 8 +++++++- drivers/usb/dwc3/core.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 656bbf9285a5..885acc63f032 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -408,6 +408,10 @@ static void dwc3_ref_clk_period(struct dwc3 *dwc) reg |= FIELD_PREP(DWC3_GFLADJ_REFCLK_FLADJ_MASK, fladj) | FIELD_PREP(DWC3_GFLADJ_240MHZDECR, decr >> 1) | FIELD_PREP(DWC3_GFLADJ_240MHZDECR_PLS1, decr & 1); + + if (dwc->gfladj_refclk_lpm_sel) + reg |= DWC3_GFLADJ_REFCLK_LPM_SEL; + dwc3_writel(dwc->regs, DWC3_GFLADJ, reg); } @@ -789,7 +793,7 @@ static int dwc3_phy_setup(struct dwc3 *dwc) else reg |= DWC3_GUSB2PHYCFG_ENBLSLPM; - if (dwc->dis_u2_freeclk_exists_quirk) + if (dwc->dis_u2_freeclk_exists_quirk || dwc->gfladj_refclk_lpm_sel) reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS; dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); @@ -1525,6 +1529,8 @@ static void dwc3_get_properties(struct dwc3 *dwc) "snps,dis-tx-ipgap-linecheck-quirk"); dwc->parkmode_disable_ss_quirk = device_property_read_bool(dev, "snps,parkmode-disable-ss-quirk"); + dwc->gfladj_refclk_lpm_sel = device_property_read_bool(dev, + "snps,gfladj-refclk-lpm-sel-quirk"); dwc->tx_de_emphasis_quirk = device_property_read_bool(dev, "snps,tx_de_emphasis_quirk"); diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index 7c9368145f37..d28c942e63dd 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -391,6 +391,7 @@ #define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7) #define DWC3_GFLADJ_30MHZ_MASK 0x3f #define DWC3_GFLADJ_REFCLK_FLADJ_MASK GENMASK(21, 8) +#define DWC3_GFLADJ_REFCLK_LPM_SEL BIT(23) #define DWC3_GFLADJ_240MHZDECR GENMASK(30, 24) #define DWC3_GFLADJ_240MHZDECR_PLS1 BIT(31) @@ -1312,6 +1313,7 @@ struct dwc3 { unsigned dis_del_phy_power_chg_quirk:1; unsigned dis_tx_ipgap_linecheck_quirk:1; unsigned parkmode_disable_ss_quirk:1; + unsigned gfladj_refclk_lpm_sel:1; unsigned tx_de_emphasis_quirk:1; unsigned tx_de_emphasis:2; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-09-15 6:29 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-15 6:28 [PATCH v2 0/4] USB host support for TQMa8MPxL + MBa8MPxL Alexander Stein 2022-09-15 6:28 ` Alexander Stein 2022-09-15 6:28 ` [PATCH v2 1/4] dt-bindings: usb: dwc3: Add gfladj-refclk-lpm-sel-quirk Alexander Stein 2022-09-15 6:28 ` Alexander Stein 2022-09-15 6:28 ` Alexander Stein [this message] 2022-09-15 6:28 ` [PATCH v2 2/4] usb: dwc3: core: add gfladj_refclk_lpm_sel quirk Alexander Stein 2022-09-15 6:28 ` [PATCH v2 3/4] arm64: dts: imx8mp: Add snps,gfladj-refclk-lpm-sel quirk to USB nodes Alexander Stein 2022-09-15 6:28 ` Alexander Stein 2022-09-15 6:28 ` [PATCH v2 4/4] arm64: dts: tqma8mpql: add support for 2nd USB (host) interface Alexander Stein 2022-09-15 6:28 ` Alexander Stein 2022-09-22 13:17 ` Greg Kroah-Hartman 2022-09-22 13:17 ` Greg Kroah-Hartman 2022-09-22 13:39 ` Alexander Stein 2022-09-22 13:39 ` Alexander Stein 2022-09-22 13:47 ` Greg Kroah-Hartman 2022-09-22 13:47 ` Greg Kroah-Hartman 2022-09-28 7:39 ` Alexander Stein 2022-09-28 7:39 ` Alexander Stein 2022-10-23 9:10 ` Shawn Guo 2022-10-23 9:10 ` Shawn Guo
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