mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
3601fe43e8
Core changes:
- The big change this time around is the irqchip handling in
the qualcomm pin controllers, closely coupled with the
gpiochip. This rework, in a classic fall-between-the-chairs
fashion has been sidestepped for too long. The Qualcomm
IRQchips using the SPMI and SSBI transport mechanisms have
been rewritten to use hierarchical irqchip. This creates
the base from which I intend to gradually pull support for
hierarchical irqchips into the gpiolib irqchip helpers to
cut down on duplicate code. We have too many hacks in the
kernel because people have been working around the missing
hierarchical irqchip for years, and once it was there,
noone understood it for a while. We are now slowly adapting
to using it. This is why this pull requests include changes
to MFD, SPMI, IRQchip core and some ARM Device Trees
pertaining to the Qualcomm chip family. Since Qualcomm have
so many chips and such large deployments it is paramount
that this platform gets this right, and now it (hopefully)
does.
- Core support for pull-up and pull-down configuration, also
from the device tree. When a simple GPIO chip support a
"off or on" pull-up or pull-down resistor, we provide a
way to set this up using machine descriptors or device tree.
If more elaborate control of pull up/down (such as
resistance shunt setting) is required, drivers should be
phased over to use pin control. We do not yet provide a
userspace ABI for this pull up-down setting but I suspect
the makers are going to ask for it soon enough. PCA953x
is the first user of this new API.
- The GPIO mockup driver has been revamped after some
discussion improving the IRQ simulator in the process.
The idea is to make it possible to use the mockup for
both testing and virtual prototyping, e.g. when you do
not yet have a GPIO expander to play with but really
want to get something to develop code around before
hardware is available. It's neat. The blackbox testing
usecase is currently making its way into kernelci.
- ACPI GPIO core preserves non direction flags when updating
flags.
- A new device core helper for devm_platform_ioremap_resource()
is funneled through the GPIO tree with Greg's ACK.
New drivers:
- TQ-Systems QTMX86 GPIO controllers (using port-mapped
I/O)
- Gateworks PLD GPIO driver (vaccumed up from OpenWrt)
- AMD G-Series PCH (Platform Controller Hub) GPIO driver.
- Fintek F81804 & F81966 subvariants.
- PCA953x now supports NXP PCAL6416.
Driver improvements:
- IRQ support on the Nintendo Wii (Hollywood) GPIO.
- get_direction() support for the MVEBU driver.
- Set the right output level on SAMA5D2.
- Drop the unused irq trigger setting on the Spreadtrum
driver.
- Wakeup support for PCA953x.
- A slew of cleanups in the various Intel drivers.
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Merge tag 'gpio-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v5.1 cycle:
Core changes:
- The big change this time around is the irqchip handling in the
qualcomm pin controllers, closely coupled with the gpiochip. This
rework, in a classic fall-between-the-chairs fashion has been
sidestepped for too long.
The Qualcomm IRQchips using the SPMI and SSBI transport mechanisms
have been rewritten to use hierarchical irqchip. This creates the
base from which I intend to gradually pull support for hierarchical
irqchips into the gpiolib irqchip helpers to cut down on duplicate
code.
We have too many hacks in the kernel because people have been
working around the missing hierarchical irqchip for years, and once
it was there, noone understood it for a while. We are now slowly
adapting to using it.
This is why this pull requests include changes to MFD, SPMI,
IRQchip core and some ARM Device Trees pertaining to the Qualcomm
chip family. Since Qualcomm have so many chips and such large
deployments it is paramount that this platform gets this right, and
now it (hopefully) does.
- Core support for pull-up and pull-down configuration, also from the
device tree. When a simple GPIO chip supports an "off or on" pull-up
or pull-down resistor, we provide a way to set this up using
machine descriptors or device tree.
If more elaborate control of pull up/down (such as resistance shunt
setting) is required, drivers should be phased over to use pin
control. We do not yet provide a userspace ABI for this pull
up-down setting but I suspect the makers are going to ask for it
soon enough. PCA953x is the first user of this new API.
- The GPIO mockup driver has been revamped after some discussion
improving the IRQ simulator in the process.
The idea is to make it possible to use the mockup for both testing
and virtual prototyping, e.g. when you do not yet have a GPIO
expander to play with but really want to get something to develop
code around before hardware is available. It's neat. The blackbox
testing usecase is currently making its way into kernelci.
- ACPI GPIO core preserves non direction flags when updating flags.
- A new device core helper for devm_platform_ioremap_resource() is
funneled through the GPIO tree with Greg's ACK.
New drivers:
- TQ-Systems QTMX86 GPIO controllers (using port-mapped I/O)
- Gateworks PLD GPIO driver (vaccumed up from OpenWrt)
- AMD G-Series PCH (Platform Controller Hub) GPIO driver.
- Fintek F81804 & F81966 subvariants.
- PCA953x now supports NXP PCAL6416.
Driver improvements:
- IRQ support on the Nintendo Wii (Hollywood) GPIO.
- get_direction() support for the MVEBU driver.
- Set the right output level on SAMA5D2.
- Drop the unused irq trigger setting on the Spreadtrum driver.
- Wakeup support for PCA953x.
- A slew of cleanups in the various Intel drivers"
* tag 'gpio-v5.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (110 commits)
gpio: gpio-omap: fix level interrupt idling
gpio: amd-fch: Set proper output level for direction_output
x86: apuv2: remove unused variable
gpio: pca953x: Use PCA_LATCH_INT
platform/x86: fix PCENGINES_APU2 Kconfig warning
gpio: pca953x: Fix dereference of irq data in shutdown
gpio: amd-fch: Fix type error found by sparse
gpio: amd-fch: Drop const from resource
gpio: mxc: add check to return defer probe if clock tree NOT ready
gpio: ftgpio: Register per-instance irqchip
gpio: ixp4xx: Add DT bindings
x86: pcengines apuv2 gpio/leds/keys platform driver
gpio: AMD G-Series PCH gpio driver
drivers: depend on HAS_IOMEM for devm_platform_ioremap_resource()
gpio: tqmx86: Set proper output level for direction_output
gpio: sprd: Change to use SoC compatible string
gpio: sprd: Use SoC compatible string instead of wildcard string
gpio: of: Handle both enable-gpio{,s}
gpio: of: Restrict enable-gpio quirk to regulator-gpio
gpio: davinci: use devm_platform_ioremap_resource()
...
184 lines
4.2 KiB
Plaintext
184 lines
4.2 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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#include <dt-bindings/iio/qcom,spmi-vadc.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/spmi/spmi.h>
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&spmi_bus {
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pm8941_0: pm8941@0 {
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compatible = "qcom,pm8941", "qcom,spmi-pmic";
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reg = <0x0 SPMI_USID>;
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#address-cells = <1>;
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#size-cells = <0>;
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rtc@6000 {
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compatible = "qcom,pm8941-rtc";
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reg = <0x6000>,
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<0x6100>;
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reg-names = "rtc", "alarm";
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interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
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};
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pwrkey@800 {
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compatible = "qcom,pm8941-pwrkey";
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reg = <0x800>;
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interrupts = <0x0 0x8 0 IRQ_TYPE_EDGE_BOTH>;
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debounce = <15625>;
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bias-pull-up;
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};
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usb_id: misc@900 {
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compatible = "qcom,pm8941-misc";
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reg = <0x900>;
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interrupts = <0x0 0x9 0 IRQ_TYPE_EDGE_BOTH>;
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interrupt-names = "usb_id";
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};
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smbb: charger@1000 {
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compatible = "qcom,pm8941-charger";
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reg = <0x1000>;
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interrupts = <0x0 0x10 7 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x10 5 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x10 4 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x12 1 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x12 0 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x13 2 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x13 1 IRQ_TYPE_EDGE_BOTH>,
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<0x0 0x14 1 IRQ_TYPE_EDGE_BOTH>;
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interrupt-names = "chg-done",
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"chg-fast",
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"chg-trkl",
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"bat-temp-ok",
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"bat-present",
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"chg-gone",
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"usb-valid",
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"dc-valid";
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usb-otg-in-supply = <&pm8941_5vs1>;
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chg_otg: otg-vbus { };
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};
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pm8941_gpios: gpios@c000 {
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compatible = "qcom,pm8941-gpio", "qcom,spmi-gpio";
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reg = <0xc000>;
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gpio-controller;
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gpio-ranges = <&pm8941_gpios 0 0 36>;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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boost_bypass_n_pin: boost-bypass {
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pins = "gpio21";
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function = "normal";
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};
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};
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pm8941_mpps: mpps@a000 {
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compatible = "qcom,pm8941-mpp", "qcom,spmi-mpp";
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reg = <0xa000>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupts = <0 0xa0 0 IRQ_TYPE_NONE>,
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<0 0xa1 0 IRQ_TYPE_NONE>,
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<0 0xa2 0 IRQ_TYPE_NONE>,
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<0 0xa3 0 IRQ_TYPE_NONE>,
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<0 0xa4 0 IRQ_TYPE_NONE>,
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<0 0xa5 0 IRQ_TYPE_NONE>,
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<0 0xa6 0 IRQ_TYPE_NONE>,
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<0 0xa7 0 IRQ_TYPE_NONE>;
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};
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pm8941_temp: temp-alarm@2400 {
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compatible = "qcom,spmi-temp-alarm";
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reg = <0x2400>;
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interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
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io-channels = <&pm8941_vadc VADC_DIE_TEMP>;
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io-channel-names = "thermal";
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#thermal-sensor-cells = <0>;
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};
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pm8941_vadc: vadc@3100 {
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compatible = "qcom,spmi-vadc";
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reg = <0x3100>;
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interrupts = <0x0 0x31 0x0 IRQ_TYPE_EDGE_RISING>;
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#address-cells = <1>;
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#size-cells = <0>;
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#io-channel-cells = <1>;
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bat_temp {
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reg = <VADC_LR_MUX1_BAT_THERM>;
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};
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die_temp {
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reg = <VADC_DIE_TEMP>;
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};
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ref_625mv {
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reg = <VADC_REF_625MV>;
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};
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ref_1250v {
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reg = <VADC_REF_1250MV>;
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};
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ref_gnd {
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reg = <VADC_GND_REF>;
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};
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ref_vdd {
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reg = <VADC_VDD_VADC>;
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};
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vbat_sns {
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reg = <VADC_VBAT_SNS>;
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};
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};
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pm8941_iadc: iadc@3600 {
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compatible = "qcom,pm8941-iadc", "qcom,spmi-iadc";
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reg = <0x3600>;
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interrupts = <0x0 0x36 0x0 IRQ_TYPE_EDGE_RISING>;
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qcom,external-resistor-micro-ohms = <10000>;
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};
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coincell@2800 {
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compatible = "qcom,pm8941-coincell";
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reg = <0x2800>;
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status = "disabled";
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};
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};
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pm8941_1: pm8941@1 {
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compatible = "qcom,pm8941", "qcom,spmi-pmic";
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reg = <0x1 SPMI_USID>;
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#address-cells = <1>;
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#size-cells = <0>;
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pm8941_wled: wled@d800 {
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compatible = "qcom,pm8941-wled";
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reg = <0xd800>;
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label = "backlight";
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status = "disabled";
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};
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regulators {
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compatible = "qcom,pm8941-regulators";
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interrupts = <0x1 0x83 0x2 0>, <0x1 0x84 0x2 0>;
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interrupt-names = "ocp-5vs1", "ocp-5vs2";
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vin_5vs-supply = <&pm8941_5v>;
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pm8941_5v: s4 {
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <5000000>;
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regulator-enable-ramp-delay = <500>;
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};
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pm8941_5vs1: 5vs1 {
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regulator-enable-ramp-delay = <1000>;
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regulator-pull-down;
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regulator-over-current-protection;
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qcom,ocp-max-retries = <10>;
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qcom,ocp-retry-delay = <30>;
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qcom,vs-soft-start-strength = <0>;
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regulator-initial-mode = <1>;
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};
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};
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};
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};
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