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f5919b65d4
Patch generation process: - rebase rpi/rpi-4.14.y on v4.14.89 from linux-stable - git format-patch v4.14.89 Patches skipped during rebase: - lan78xx: Read MAC address from DT if present - lan78xx: Enable LEDs and auto-negotiation - Revert "softirq: Let ksoftirqd do its job" - sc16is7xx: Fix for multi-channel stall - lan78xx: Ignore DT MAC address if already valid - lan78xx: Simple patch to prevent some crashes - tcp_write_queue_purge clears all the SKBs in the write queue - Revert "lan78xx: Simple patch to prevent some crashes" - lan78xx: Connect phy early - Arm: mm: ftrace: Only set text back to ro after kernel has been marked ro - Revert "Revert "softirq: Let ksoftirqd do its job"" - ASoC: cs4265: SOC_SINGLE register value error fix - Revert "ASoC: cs4265: SOC_SINGLE register value error fix" - Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends" - Revert "Revert "net: pskb_trim_rcsum() and CHECKSUM_COMPLETE are friends"" Patches dropped after rebase: - net: Add non-mainline source for rtl8192cu wlan - net: Fix rtl8192cu build errors on other platforms - brcm: adds support for BCM43341 wifi - brcmfmac: Mute expected startup 'errors' - ARM64: Fix build break for RTL8187/RTL8192CU wifi - ARM64: Enable RTL8187/RTL8192CU wifi in build config - This is the driver for Sony CXD2880 DVB-T2/T tuner + demodulator - brcmfmac: add CLM download support - brcmfmac: request_firmware_direct is quieter - Sets the BCDC priority to constant 0 - brcmfmac: Disable ARP offloading when promiscuous - brcmfmac: Avoid possible out-of-bounds read - brcmfmac: Delete redundant length check - net: rtl8192cu: Normalize indentation - net: rtl8192cu: Fix implicit fallthrough warnings - Revert "Sets the BCDC priority to constant 0" - media: cxd2880: Bump to match 4.18.y version - media: cxd2880-spi: Bump to match 4.18.y version - Revert "mm: alloc_contig: re-allow CMA to compact FS pages" - Revert "Revert "mm: alloc_contig: re-allow CMA to compact FS pages"" - cxd2880: CXD2880_SPI_DRV should select DVB_CXD2880 with MEDIA_SUBDRV_AUTOSELECT - 950-0421-HID-hid-bigbenff-driver-for-BigBen-Interactive-PS3OF.patch - 950-0453-Add-hid-bigbenff-to-list-of-have_special_driver-for-.patch Make I2C built-in instead of modular as in upstream defconfig; also the easiest way to get MFD_ARIZONA enabled, which is required by kmod-sound-soc-rpi-cirrus. Add missing compatible strings from 4.9/960-add-rasbperrypi-compatible.patch, using upstream names for compute modules. Add extra patch to enable the LEDs on lan78xx. Compile-tested: bcm2708, bcm2709, bcm2710 (with CONFIG_ALL_KMODS=y) Runtime-tested: bcm2708, bcm2710 Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
157 lines
4.3 KiB
Diff
157 lines
4.3 KiB
Diff
From 152d226fd2eff1fdc1f8881287bf1a7d4560b27e Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Mon, 26 Feb 2018 19:46:32 +0000
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Subject: [PATCH 233/454] overlays: Rework sdio overlays to allow polling
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MMC/SD interfaces support a DT property (non-removable) that disables
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the usual polling required to detect card removal for a configuration
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that doesn't have hardware card presence detection. This property is
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required for the on-board SDIO WiFi interface, but other uses of the
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interface may want the polling to be re-enabled.
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'non-removable' is a boolean DT property - true if present, false if
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absent - and the overlay mechanism does not allow a property in the
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base DTB to be deleted, so if the base DTB has non-removable set
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(which is true for all WiFi-equipped Pis) then an overlay cannot
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unset it.
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Modify the SDIO overlays to work around this problem by disabling
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the mmc node and adding a clone to which non-removable may
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optionally be added.
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N.B. The default state of poll_once is still true, and the overlay
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does include a non-removable property, but setting poll_once to false
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("off") will remove the property from the overlay before it is applied.
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See: https://github.com/raspberrypi/linux/issues/2401
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Signed-off-by: Phil Elwell <phil@raspberrypi.org>
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---
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.../boot/dts/overlays/sdio-1bit-overlay.dts | 40 +++++++++++++-----
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arch/arm/boot/dts/overlays/sdio-overlay.dts | 41 ++++++++++++++-----
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2 files changed, 59 insertions(+), 22 deletions(-)
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--- a/arch/arm/boot/dts/overlays/sdio-1bit-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sdio-1bit-overlay.dts
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@@ -8,21 +8,39 @@
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fragment@0 {
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target = <&mmc>;
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- sdio_mmc: __overlay__ {
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- compatible = "brcm,bcm2835-mmc";
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- pinctrl-names = "default";
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- pinctrl-0 = <&sdio_pins>;
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- non-removable;
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- bus-width = <1>;
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- brcm,overclock-50 = <0>;
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- status = "okay";
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+ __overlay__ {
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+ status = "disabled";
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};
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};
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fragment@1 {
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+ target = <&soc>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ sdio_1bit: sdio@7e300000 {
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+ compatible = "brcm,bcm2835-mmc",
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+ "brcm,bcm2835-sdhci";
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+ reg = <0x7e300000 0x100>;
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+ interrupts = <2 30>;
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+ clocks = <&clocks 28/*BCM2835_CLOCK_EMMC*/>;
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+ dmas = <&dma 11>;
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+ dma-names = "rx-tx";
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+ brcm,overclock-50 = <0>;
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+ status = "okay";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdio_1bit_pins>;
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+ non-removable;
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+ bus-width = <1>;
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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target = <&gpio>;
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__overlay__ {
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- sdio_pins: sdio_pins {
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+ sdio_1bit_pins: sdio_1bit_pins {
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brcm,pins = <22 23 24 25>;
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brcm,function = <7>; /* ALT3 = SD1 */
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brcm,pull = <0 2 2 2>;
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@@ -31,7 +49,7 @@
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};
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__overrides__ {
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- poll_once = <&sdio_mmc>,"non-removable?";
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- sdio_overclock = <&sdio_mmc>,"brcm,overclock-50:0";
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+ poll_once = <&sdio_1bit>,"non-removable?";
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+ sdio_overclock = <&sdio_1bit>,"brcm,overclock-50:0";
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};
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};
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--- a/arch/arm/boot/dts/overlays/sdio-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
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@@ -8,20 +8,39 @@
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fragment@0 {
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target = <&mmc>;
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- sdio_mmc: __overlay__ {
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- pinctrl-names = "default";
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- pinctrl-0 = <&sdio_pins>;
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- non-removable;
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- bus-width = <4>;
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- brcm,overclock-50 = <0>;
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- status = "okay";
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+ __overlay__ {
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+ status = "disabled";
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};
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};
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fragment@1 {
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+ target = <&soc>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <1>;
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+
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+ sdio_ovl: sdio@7e300000 {
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+ compatible = "brcm,bcm2835-mmc",
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+ "brcm,bcm2835-sdhci";
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+ reg = <0x7e300000 0x100>;
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+ interrupts = <2 30>;
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+ clocks = <&clocks 28/*BCM2835_CLOCK_EMMC*/>;
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+ dmas = <&dma 11>;
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+ dma-names = "rx-tx";
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+ brcm,overclock-50 = <0>;
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+ status = "okay";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdio_ovl_pins>;
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+ non-removable;
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+ bus-width = <1>;
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+ };
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+ };
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+ };
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+
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+ fragment@2 {
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target = <&gpio>;
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__overlay__ {
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- sdio_pins: sdio_pins {
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+ sdio_ovl_pins: sdio_ovl_pins {
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brcm,pins = <22 23 24 25 26 27>;
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brcm,function = <7>; /* ALT3 = SD1 */
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brcm,pull = <0 2 2 2 2 2>;
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@@ -30,8 +49,8 @@
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};
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__overrides__ {
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- poll_once = <&sdio_mmc>,"non-removable?";
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- bus_width = <&sdio_mmc>,"bus-width:0";
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- sdio_overclock = <&sdio_mmc>,"brcm,overclock-50:0";
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+ poll_once = <&sdio_ovl>,"non-removable?";
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+ bus_width = <&sdio_ovl>,"bus-width:0";
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+ sdio_overclock = <&sdio_ovl>,"brcm,overclock-50:0";
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};
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};
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