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gemini: Add v5.4 kernel patches
This adds the kernel patches needed for the Gemini. Just 7 patches, 5 of them are already upstream. Notably we incorperate the temperature sensor on the hard drive to drive temperature control of the NAS chassis. This is required for the DIR-685 which has no external temperature sensor. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> [use the drivetemp package over the backport] Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
This commit is contained in:
Linus Walleij
Christian Lamparter
parent
711bd33cd1
commit
ea2d284082
@ -0,0 +1,131 @@
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From 3aaff88a0f5e154aa5a489d59fd4015a2a937c23 Mon Sep 17 00:00:00 2001
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From: Linus Walleij <linus.walleij@linaro.org>
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Date: Fri, 21 Apr 2017 22:19:00 +0200
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Subject: [PATCH 1/7] usb: host: fotg2: add Gemini-specific handling
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The Cortina Systems Gemini has bolted on a PHY inside the
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silicon that can be handled by six bits in a MISC register in
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the system controller.
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If we are running on Gemini, look up a syscon regmap through
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a phandle and enable VBUS and optionally the Mini-B connector.
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If the device is flagged as "wakeup-source" using the standard
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DT bindings, we also enable this in the global controller for
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respective port.
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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drivers/usb/host/Kconfig | 1 +
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drivers/usb/host/fotg210-hcd.c | 76 ++++++++++++++++++++++++++++++++++
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2 files changed, 77 insertions(+)
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--- a/drivers/usb/host/Kconfig
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+++ b/drivers/usb/host/Kconfig
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@@ -363,6 +363,7 @@ config USB_ISP1362_HCD
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config USB_FOTG210_HCD
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tristate "FOTG210 HCD support"
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depends on USB && HAS_DMA && HAS_IOMEM
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+ select MFD_SYSCON
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---help---
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Faraday FOTG210 is an OTG controller which can be configured as
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an USB2.0 host. It is designed to meet USB2.0 EHCI specification
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--- a/drivers/usb/host/fotg210-hcd.c
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+++ b/drivers/usb/host/fotg210-hcd.c
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@@ -33,6 +33,10 @@
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/clk.h>
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+#include <linux/bitops.h>
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+/* For Cortina Gemini */
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+#include <linux/mfd/syscon.h>
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+#include <linux/regmap.h>
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#include <asm/byteorder.h>
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#include <asm/irq.h>
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@@ -5558,6 +5562,72 @@ static void fotg210_init(struct fotg210_
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iowrite32(value, &fotg210->regs->otgcsr);
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}
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+/*
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+ * Gemini-specific initialization function, only executed on the
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+ * Gemini SoC using the global misc control register.
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+ */
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+#define GEMINI_GLOBAL_MISC_CTRL 0x30
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+#define GEMINI_MISC_USB0_WAKEUP BIT(14)
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+#define GEMINI_MISC_USB1_WAKEUP BIT(15)
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+#define GEMINI_MISC_USB0_VBUS_ON BIT(22)
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+#define GEMINI_MISC_USB1_VBUS_ON BIT(23)
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+#define GEMINI_MISC_USB0_MINI_B BIT(29)
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+#define GEMINI_MISC_USB1_MINI_B BIT(30)
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+
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+static int fotg210_gemini_init(struct device *dev, struct usb_hcd *hcd)
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+{
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+ struct device_node *np = dev->of_node;
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+ struct regmap *map;
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+ bool mini_b;
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+ bool wakeup;
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+ u32 mask, val;
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+ int ret;
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+
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+ map = syscon_regmap_lookup_by_phandle(np, "syscon");
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+ if (IS_ERR(map)) {
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+ dev_err(dev, "no syscon\n");
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+ return PTR_ERR(map);
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+ }
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+ mini_b = of_property_read_bool(np, "cortina,gemini-mini-b");
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+ wakeup = of_property_read_bool(np, "wakeup-source");
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+
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+ /*
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+ * Figure out if this is USB0 or USB1 by simply checking the
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+ * physical base address.
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+ */
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+ mask = 0;
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+ if (hcd->rsrc_start == 0x69000000) {
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+ val = GEMINI_MISC_USB1_VBUS_ON;
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+ if (mini_b)
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+ val |= GEMINI_MISC_USB1_MINI_B;
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+ else
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+ mask |= GEMINI_MISC_USB1_MINI_B;
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+ if (wakeup)
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+ val |= GEMINI_MISC_USB1_WAKEUP;
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+ else
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+ mask |= GEMINI_MISC_USB1_WAKEUP;
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+ } else {
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+ val = GEMINI_MISC_USB0_VBUS_ON;
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+ if (mini_b)
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+ val |= GEMINI_MISC_USB0_MINI_B;
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+ else
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+ mask |= GEMINI_MISC_USB0_MINI_B;
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+ if (wakeup)
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+ val |= GEMINI_MISC_USB0_WAKEUP;
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+ else
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+ mask |= GEMINI_MISC_USB0_WAKEUP;
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+ }
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+
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+ ret = regmap_update_bits(map, GEMINI_GLOBAL_MISC_CTRL, mask, val);
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+ if (ret) {
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+ dev_err(dev, "failed to initialize Gemini PHY\n");
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+ return ret;
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+ }
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+
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+ dev_info(dev, "initialized Gemini PHY\n");
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+ return 0;
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+}
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+
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/**
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* fotg210_hcd_probe - initialize faraday FOTG210 HCDs
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*
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@@ -5635,6 +5705,12 @@ static int fotg210_hcd_probe(struct plat
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fotg210_init(fotg210);
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+ if (of_device_is_compatible(dev->of_node, "cortina,gemini-usb")) {
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+ retval = fotg210_gemini_init(dev, hcd);
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+ if (retval)
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+ goto failed_dis_clk;
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+ }
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+
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retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
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if (retval) {
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dev_err(dev, "failed to add hcd with err %d\n", retval);
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@ -0,0 +1,37 @@
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From a2de8560885469f3d76c80207a669029e4fc8a45 Mon Sep 17 00:00:00 2001
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From: Linus Walleij <linus.walleij@linaro.org>
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Date: Mon, 11 Mar 2019 15:44:29 +0100
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Subject: [PATCH 2/7] ARM: dts: Augment DIR-685 partition table for OpenWrt
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Rename the firmware partition so that the firmware MTD
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splitter will do its job, drop the rootfs arguments as
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the MTD splitter will set this up automatically.
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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arch/arm/boot/dts/gemini-dlink-dir-685.dts | 6 +++---
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1 file changed, 3 insertions(+), 3 deletions(-)
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--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
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+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
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@@ -20,7 +20,7 @@
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};
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chosen {
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- bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait consoleblank=300";
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+ bootargs = "console=ttyS0,19200n8 consoleblank=300";
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stdout-path = "uart0:19200n8";
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};
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@@ -285,9 +285,9 @@
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* this is called "upgrade" on the vendor system.
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*/
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partition@40000 {
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- label = "upgrade";
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+ compatible = "wrg";
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+ label = "firmware";
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reg = <0x00040000 0x01f40000>;
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- read-only;
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};
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/* RGDB, Residental Gateway Database? */
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partition@1f80000 {
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@ -0,0 +1,117 @@
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From 9b95b301b219df19c20f4a563f1da6338b09b0d0 Mon Sep 17 00:00:00 2001
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From: Linus Walleij <linus.walleij@linaro.org>
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Date: Tue, 31 Dec 2019 18:14:28 +0100
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Subject: [PATCH 3/7] ARM: dts: gemini: Rename IDE nodes
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By renaming the ATA drive nodes to "ide@" we activate the
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semantic checks to the DT schema for the controller and use
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the correct notation for PATA drives.
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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arch/arm/boot/dts/gemini-dlink-dir-685.dts | 2 +-
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arch/arm/boot/dts/gemini-dlink-dns-313.dts | 2 +-
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arch/arm/boot/dts/gemini-nas4220b.dts | 4 ++--
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arch/arm/boot/dts/gemini-sl93512r.dts | 4 ++--
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arch/arm/boot/dts/gemini-sq201.dts | 2 +-
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arch/arm/boot/dts/gemini.dtsi | 8 ++++++--
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6 files changed, 13 insertions(+), 9 deletions(-)
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--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
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+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
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@@ -443,7 +443,7 @@
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};
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};
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- ata@63000000 {
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+ ide@63000000 {
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status = "okay";
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};
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--- a/arch/arm/boot/dts/gemini-dlink-dns-313.dts
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+++ b/arch/arm/boot/dts/gemini-dlink-dns-313.dts
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@@ -297,7 +297,7 @@
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};
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};
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- ata@63000000 {
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+ ide@63000000 {
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status = "okay";
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};
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};
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--- a/arch/arm/boot/dts/gemini-nas4220b.dts
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+++ b/arch/arm/boot/dts/gemini-nas4220b.dts
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@@ -170,11 +170,11 @@
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};
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};
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- ata@63000000 {
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+ ide@63000000 {
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status = "okay";
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};
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- ata@63400000 {
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+ ide@63400000 {
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status = "okay";
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};
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--- a/arch/arm/boot/dts/gemini-sl93512r.dts
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+++ b/arch/arm/boot/dts/gemini-sl93512r.dts
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@@ -293,11 +293,11 @@
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};
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};
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- ata@63000000 {
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+ ide@63000000 {
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status = "okay";
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};
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- ata@63400000 {
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+ ide@63400000 {
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status = "okay";
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};
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--- a/arch/arm/boot/dts/gemini-sq201.dts
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+++ b/arch/arm/boot/dts/gemini-sq201.dts
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@@ -289,7 +289,7 @@
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};
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};
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- ata@63000000 {
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+ ide@63000000 {
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status = "okay";
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};
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--- a/arch/arm/boot/dts/gemini.dtsi
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+++ b/arch/arm/boot/dts/gemini.dtsi
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@@ -356,7 +356,7 @@
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};
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};
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- ata@63000000 {
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+ ide@63000000 {
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compatible = "cortina,gemini-pata", "faraday,ftide010";
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reg = <0x63000000 0x1000>;
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interrupts = <4 IRQ_TYPE_EDGE_RISING>;
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@@ -365,9 +365,11 @@
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clock-names = "PCLK";
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sata = <&sata>;
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status = "disabled";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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};
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- ata@63400000 {
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+ ide@63400000 {
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compatible = "cortina,gemini-pata", "faraday,ftide010";
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reg = <0x63400000 0x1000>;
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interrupts = <5 IRQ_TYPE_EDGE_RISING>;
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@@ -376,6 +378,8 @@
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clock-names = "PCLK";
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sata = <&sata>;
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status = "disabled";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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};
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dma-controller@67000000 {
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@ -0,0 +1,101 @@
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From 2b2e9d0e1ee4765b21c648235489028c6dc7e336 Mon Sep 17 00:00:00 2001
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From: Linus Walleij <linus.walleij@linaro.org>
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Date: Tue, 31 Dec 2019 18:18:08 +0100
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Subject: [PATCH 4/7] ARM: dts: gemini: Add thermal zone to DIR-685
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The DIR-685 can now exploit the thermal zone added by the
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drive temperature sensor inside the hard drive. We have
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patched the libata subsystem to assign the device nodes
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properly to the SCSI devices and this is what the drivetemp
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driver will use to populate the sensor and the thermal
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zone, so pick that up into the thermal zone and let this
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control the fan.
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The hardware lacks an embedded temperature sensor so the
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D-Link vendor firmware uses this method to control the
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temperature of the NAS enclosure using the thermal sensor
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inside the hard drive.
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The drive temperature trigger points to be used comes from
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the vendor firmware.
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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arch/arm/boot/dts/gemini-dlink-dir-685.dts | 48 ++++++++++++++++++++--
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1 file changed, 45 insertions(+), 3 deletions(-)
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--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
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+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
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@@ -119,13 +119,11 @@
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/*
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* This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
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- * Since the platform has no temperature sensor, this is controlled
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- * from userspace by using the hard disks S.M.A.R.T. temperature
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* sensor. It is turned on when the temperature exceeds 46 degrees
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* and turned off when the temperatures goes below 41 degrees
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* (celsius).
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*/
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- gpio-fan {
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+ fan0: gpio-fan {
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compatible = "gpio-fan";
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/* Collides with IDE */
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gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
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@@ -133,6 +131,40 @@
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#cooling-cells = <2>;
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};
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+ thermal-zones {
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+ chassis-thermal {
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+ /* Poll every 20 seconds */
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+ polling-delay = <20000>;
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+ /* Poll every 2nd second when cooling */
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+ polling-delay-passive = <2000>;
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+ /* Use the thermal sensor in the hard drive */
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+ thermal-sensors = <&drive0>;
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+
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+ /* Tripping points from the fan.script in the rootfs */
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+ trips {
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+ alert: chassis-alert {
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||||||
|
+ /* At 43 degrees turn on the fan */
|
||||||
|
+ temperature = <43000>;
|
||||||
|
+ hysteresis = <3000>;
|
||||||
|
+ type = "active";
|
||||||
|
+ };
|
||||||
|
+ crit: chassis-crit {
|
||||||
|
+ /* Just shut down at 60 degrees */
|
||||||
|
+ temperature = <60000>;
|
||||||
|
+ hysteresis = <2000>;
|
||||||
|
+ type = "critical";
|
||||||
|
+ };
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
+ cooling-maps {
|
||||||
|
+ map0 {
|
||||||
|
+ trip = <&alert>;
|
||||||
|
+ cooling-device = <&fan0 1 1>;
|
||||||
|
+ };
|
||||||
|
+ };
|
||||||
|
+ };
|
||||||
|
+ };
|
||||||
|
+
|
||||||
|
/*
|
||||||
|
* The touchpad input is connected to a GPIO bit-banged
|
||||||
|
* I2C bus.
|
||||||
|
@@ -445,6 +477,16 @@
|
||||||
|
|
||||||
|
ide@63000000 {
|
||||||
|
status = "okay";
|
||||||
|
+
|
||||||
|
+ /*
|
||||||
|
+ * This drive may have a temperature sensor with a
|
||||||
|
+ * thermal zone we can use for thermal control of the
|
||||||
|
+ * chassis temperature using the fan.
|
||||||
|
+ */
|
||||||
|
+ drive0: ide-port@0 {
|
||||||
|
+ reg = <0>;
|
||||||
|
+ #thermal-sensor-cells = <0>;
|
||||||
|
+ };
|
||||||
|
};
|
||||||
|
|
||||||
|
display-controller@6a000000 {
|
||||||
Loading…
Reference in New Issue
Block a user