From: Dmitry Rokosov <ddrokosov@sberdevices.ru>
To: <gregkh@linuxfoundation.org>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>, <neil.armstrong@linaro.org>,
<khilman@baylibre.com>, <jbrunet@baylibre.com>,
<martin.blumenstingl@googlemail.com>, <mturquette@baylibre.com>,
<vkoul@kernel.org>, <kishon@kernel.org>, <hminas@synopsys.com>,
<Thinh.Nguyen@synopsys.com>
Cc: <yue.wang@amlogic.com>, <hanjie.lin@amlogic.com>,
<kernel@sberdevices.ru>, <rockosov@gmail.com>,
<linux-usb@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-phy@lists.infradead.org>,
Dmitry Rokosov <ddrokosov@sberdevices.ru>,
Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
Subject: [PATCH v3 2/5] usb: dwc2: support dwc2 IP for Amlogic A1 SoC family
Date: Wed, 26 Apr 2023 13:29:19 +0300 [thread overview]
Message-ID: <20230426102922.19705-3-ddrokosov@sberdevices.ru> (raw)
In-Reply-To: <20230426102922.19705-1-ddrokosov@sberdevices.ru>
The Amlogic A1 uses dwc2 Synopsys IP as its USB peripheral (gadget)
endpoint, with different DWC2 parameters when compared to previous
Amlogic SoCs.
Signed-off-by: Dmitry Rokosov <ddrokosov@sberdevices.ru>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
---
drivers/usb/dwc2/params.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
index 9ed9fd956940..098fbfc774ab 100644
--- a/drivers/usb/dwc2/params.c
+++ b/drivers/usb/dwc2/params.c
@@ -161,6 +161,25 @@ static void dwc2_set_amlogic_g12a_params(struct dwc2_hsotg *hsotg)
p->hird_threshold_en = false;
}
+static void dwc2_set_amlogic_a1_params(struct dwc2_hsotg *hsotg)
+{
+ struct dwc2_core_params *p = &hsotg->params;
+
+ p->otg_caps.hnp_support = false;
+ p->otg_caps.srp_support = false;
+ p->speed = DWC2_SPEED_PARAM_HIGH;
+ p->host_rx_fifo_size = 192;
+ p->host_nperio_tx_fifo_size = 128;
+ p->host_perio_tx_fifo_size = 128;
+ p->phy_type = DWC2_PHY_TYPE_PARAM_UTMI;
+ p->phy_utmi_width = 8;
+ p->ahbcfg = GAHBCFG_HBSTLEN_INCR8 << GAHBCFG_HBSTLEN_SHIFT;
+ p->lpm = false;
+ p->lpm_clock_gating = false;
+ p->besl = false;
+ p->hird_threshold_en = false;
+}
+
static void dwc2_set_amcc_params(struct dwc2_hsotg *hsotg)
{
struct dwc2_core_params *p = &hsotg->params;
@@ -258,6 +277,8 @@ const struct of_device_id dwc2_of_match_table[] = {
.data = dwc2_set_amlogic_params },
{ .compatible = "amlogic,meson-g12a-usb",
.data = dwc2_set_amlogic_g12a_params },
+ { .compatible = "amlogic,meson-a1-usb",
+ .data = dwc2_set_amlogic_a1_params },
{ .compatible = "amcc,dwc-otg", .data = dwc2_set_amcc_params },
{ .compatible = "apm,apm82181-dwc-otg", .data = dwc2_set_amcc_params },
{ .compatible = "st,stm32f4x9-fsotg",
--
2.36.0
--
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy
next prev parent reply other threads:[~2023-04-26 10:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-26 10:29 [PATCH v3 0/5] arm64: meson: support Amlogic A1 USB OTG controller Dmitry Rokosov
2023-04-26 10:29 ` [PATCH v3 1/5] phy: amlogic: enable/disable clkin during Amlogic USB PHY init/exit Dmitry Rokosov
2023-05-01 12:49 ` Martin Blumenstingl
2023-05-08 9:27 ` Vinod Koul
2023-04-26 10:29 ` Dmitry Rokosov [this message]
2023-04-26 10:29 ` [PATCH v3 3/5] dt-bindings: usb: dwc2: add support for Amlogic A1 SoC USB peripheral Dmitry Rokosov
2023-04-26 10:29 ` [PATCH v3 4/5] usb: dwc3-meson-g12a: support OTG switch for all IP versions Dmitry Rokosov
2023-04-26 10:29 ` [PATCH v3 5/5] arm64: dts: meson: a1: support USB controller in OTG mode Dmitry Rokosov
2023-05-01 12:49 ` Martin Blumenstingl
2023-05-09 7:44 ` neil.armstrong
2023-05-11 20:24 ` Dmitry Rokosov
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