b3b855191b
Kernel 5.10 receives the complete set of improvements from 5.11/5.12. While we are at it, move the patches accepted upstream to the 0xx series. Signed-off-by: Klaus Kudielka <klaus.kudielka@gmail.com>
161 lines
4.3 KiB
Diff
161 lines
4.3 KiB
Diff
From 91dd42d0e30fdbb250c61d1192af569f07e6ada4 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <kabel@kernel.org>
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Date: Sun, 15 Nov 2020 14:59:21 +0100
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Subject: ARM: dts: turris-omnia: add LED controller node
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Linux now has incomplete support for the LED controller on Turris Omnia:
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it can set brightness and colors for each LED.
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The controller can also put these LEDs into HW controlled mode, in which
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the LEDs are controlled by HW: for example the WAN LED is connected via
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MCU to the WAN PHY LED pin.
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The driver does not support these HW controlled modes yet, and on probe
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puts the LEDs into SW controlled mode.
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Add node describing the LED controller, but disable it for now.
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Signed-off-by: Marek Behún <kabel@kernel.org>
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Cc: linux-arm-kernel@lists.infradead.org
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Cc: Uwe Kleine-König <uwe@kleine-koenig.org>
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Cc: Jason Cooper <jason@lakedaemon.net>
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Cc: Gregory CLEMENT <gregory.clement@bootlin.com>
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Cc: Andreas Färber <afaerber@suse.de>
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Cc: Rob Herring <robh+dt@kernel.org>
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Cc: devicetree@vger.kernel.org
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Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
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---
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arch/arm/boot/dts/armada-385-turris-omnia.dts | 111 +++++++++++++++++++++++++-
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1 file changed, 110 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/armada-385-turris-omnia.dts
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+++ b/arch/arm/boot/dts/armada-385-turris-omnia.dts
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@@ -12,6 +12,7 @@
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/input/input.h>
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+#include <dt-bindings/leds/common.h>
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#include "armada-385.dtsi"
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/ {
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@@ -181,7 +182,115 @@
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reg = <0>;
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/* STM32F0 command interface at address 0x2a */
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- /* leds device (in STM32F0) at address 0x2b */
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+
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+ led-controller@2b {
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+ compatible = "cznic,turris-omnia-leds";
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+ reg = <0x2b>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ /*
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+ * LEDs are controlled by MCU (STM32F0) at
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+ * address 0x2b.
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+ *
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+ * The driver does not support HW control mode
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+ * for the LEDs yet. Disable the LEDs for now.
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+ *
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+ * Also LED functions are not stable yet:
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+ * - there are 3 LEDs connected via MCU to PCIe
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+ * ports. One of these ports supports mSATA.
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+ * There is no mSATA nor PCIe function.
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+ * For now we use LED_FUNCTION_WLAN, since
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+ * in most cases users have wifi cards in
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+ * these slots
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+ * - there are 2 LEDs dedicated for user: A and
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+ * B. Again there is no such function defined.
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+ * For now we use LED_FUNCTION_INDICATOR
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+ */
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+ status = "disabled";
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+
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+ multi-led@0 {
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+ reg = <0x0>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_INDICATOR;
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+ function-enumerator = <2>;
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+ };
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+
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+ multi-led@1 {
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+ reg = <0x1>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_INDICATOR;
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+ function-enumerator = <1>;
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+ };
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+
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+ multi-led@2 {
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+ reg = <0x2>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_WLAN;
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+ function-enumerator = <3>;
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+ };
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+
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+ multi-led@3 {
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+ reg = <0x3>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_WLAN;
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+ function-enumerator = <2>;
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+ };
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+
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+ multi-led@4 {
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+ reg = <0x4>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_WLAN;
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+ function-enumerator = <1>;
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+ };
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+
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+ multi-led@5 {
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+ reg = <0x5>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_WAN;
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+ };
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+
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+ multi-led@6 {
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+ reg = <0x6>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_LAN;
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+ function-enumerator = <4>;
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+ };
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+
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+ multi-led@7 {
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+ reg = <0x7>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_LAN;
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+ function-enumerator = <3>;
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+ };
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+
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+ multi-led@8 {
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+ reg = <0x8>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_LAN;
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+ function-enumerator = <2>;
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+ };
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+
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+ multi-led@9 {
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+ reg = <0x9>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_LAN;
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+ function-enumerator = <1>;
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+ };
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+
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+ multi-led@a {
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+ reg = <0xa>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_LAN;
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+ function-enumerator = <0>;
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+ };
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+
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+ multi-led@b {
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+ reg = <0xb>;
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+ color = <LED_COLOR_ID_RGB>;
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+ function = LED_FUNCTION_POWER;
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+ };
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+ };
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eeprom@54 {
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compatible = "atmel,24c64";
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