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111 lines
3.2 KiB
Diff
111 lines
3.2 KiB
Diff
From 0af77632d0318f69474e46a0473e64854562842c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
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Date: Thu, 31 Dec 2015 16:44:58 +0100
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Subject: [PATCH 122/423] bcm270x_dt: Add dwc2 and dwc-otg overlays
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---
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arch/arm/boot/dts/overlays/Makefile | 2 ++
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arch/arm/boot/dts/overlays/README | 21 +++++++++++++++++++
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arch/arm/boot/dts/overlays/dwc-otg-overlay.dts | 20 ++++++++++++++++++
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arch/arm/boot/dts/overlays/dwc2-overlay.dts | 29 ++++++++++++++++++++++++++
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4 files changed, 72 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/dwc-otg-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/dwc2-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -15,6 +15,8 @@ endif
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dtb-$(RPI_DT_OVERLAYS) += ads7846-overlay.dtb
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dtb-$(RPI_DT_OVERLAYS) += at86rf233-overlay.dtb
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dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
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+dtb-$(RPI_DT_OVERLAYS) += dwc2-overlay.dtb
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+dtb-$(RPI_DT_OVERLAYS) += dwc-otg-overlay.dtb
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dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
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dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
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dtb-$(RPI_DT_OVERLAYS) += gpio-ir-overlay.dtb
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -198,6 +198,27 @@ Params: gpiopin GPIO co
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(default 4)
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+Name: dwc-otg
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+Info: Selects the dwc_otg USB controller driver which has fiq support. This
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+ is the default on all except the Pi Zero which defaults to dwc2.
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+Load: dtoverlay=dwc-otg
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+Params: <None>
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+
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+
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+Name: dwc2
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+Info: Selects the dwc2 USB controller driver
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+Load: dtoverlay=dwc2,<param>=<val>
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+Params: dr_mode Dual role mode: "host", "peripheral" or "otg"
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+
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+ g-rx-fifo-size Size of rx fifo size in gadget mode
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+
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+ g-np-tx-fifo-size Size of non-periodic tx fifo size in gadget
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+ mode
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+
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+ g-tx-fifo-size Size of periodic tx fifo per endpoint
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+ (except ep0) in gadget mode
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+
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+
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[ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/dwc-otg-overlay.dts
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@@ -0,0 +1,20 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/{
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&usb>;
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+ __overlay__ {
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+ compatible = "brcm,bcm2708-usb";
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+ reg = <0x7e980000 0x10000>,
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+ <0x7e006000 0x1000>;
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+ interrupts = <2 0>,
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+ <1 9>;
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+ status = "okay";
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+ };
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+ };
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+};
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/dwc2-overlay.dts
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@@ -0,0 +1,29 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/{
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&usb>;
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+ __overlay__ {
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+ compatible = "brcm,bcm2835-usb";
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+ reg = <0x7e980000 0x10000>;
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+ interrupts = <1 9>;
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+ dr_mode = "otg";
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+ g-np-tx-fifo-size = <32>;
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+ g-rx-fifo-size = <256>;
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+ g-tx-fifo-size = <256 128 128 64 64 64 32>;
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+ status = "okay";
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+ };
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+ };
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+
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+ __overrides__ {
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+ dr_mode = <&usb>, "dr_mode";
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+ g-np-tx-fifo-size = <&usb>,"g-np-tx-fifo-size:0";
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+ g-rx-fifo-size = <&usb>,"g-rx-fifo-size:0";
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+ g-tx-fifo-size = <&usb>,"g-tx-fifo-size:0";
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+ };
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+};
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