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Linux 6.18 irqfixes #291

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d145907
gpio: ts71xxweim: Added IRQ support
markfeathers Mar 27, 2026
bfab3cd
irqchip: irq-ts71xxweim: Added Ack support fixes
markfeathers Mar 27, 2026
5a7c17f
ARM: dts: ts7250v3: Added IRQ capable GPIO
markfeathers Mar 27, 2026
7b16a5b
ARM: dts: ts7100: Simplify syscon to 1 address cell
markfeathers Mar 27, 2026
aeade07
ARM: dts: ts7100: Added IRQ support for first GPIO bank
markfeathers Mar 27, 2026
137486f
ARM: dts: ts7100: Migrated to a single SPI controller
markfeathers Mar 27, 2026
ac63f60
ARM: dts: ts7100: Added PWM controllers
markfeathers Mar 27, 2026
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96 changes: 56 additions & 40 deletions arch/arm/boot/dts/nxp/imx/imx6ul-ts7100.dtsi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -416,44 +416,44 @@

fpga_syscon: bus@50004000 {
compatible = "simple-bus";
#address-cells = <0x2>;
#address-cells = <0x1>;
#size-cells = <0x1>;
reg = <0x4000 0x58>;
ranges = <0 0 0x4000 0x58>;
ranges = <0 0x4000 0x100>;

fpga_gpio0: gpio@50004010 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0 0x10 0x08>;
reg = <0x10 0x08>, <0x80 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;
};

fpga_gpio1: gpio@50004040 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0 0x40 0x08>;
reg = <0x40 0x08>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};

fpga_gpio2: gpio@50004050 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0 0x50 0x08>;
reg = <0x50 0x08>;
gpio-controller;
#gpio-cells = <2>;
interrupt-controller;
#interrupt-cells = <1>;
};

fpga_intc: interrupt-controller@50004024 {
compatible = "technologic,ts71xxweim-intc";

interrupt-controller;
#interrupt-cells = <1>;
reg = <0 0x00 0x50>;
reg = <0x00 0x50>;

interrupt-parent = <&gpio5>;
interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
Expand All @@ -472,34 +472,7 @@
interrupts = <0>;
};

opencores_spi0: spi@50000100 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "opencores,spi-oc";
reg = <0x100 32>;
interrupt-parent = <&fpga_intc>;
interrupts = <9>;
clocks = <&fpga_clk_weim_bclk>;
clock-names = "spi-oc-clk";
num-cs = <2>;

spifram: eeprom@0 {
compatible = "atmel,at25";
reg = <0>;
spi-max-frequency = <20000000>;
size = <0x800>;
address-width = <16>;
pagesize = <64>;
};

spisplash: flash@1 {
compatible = "jedec,spi-nor";
reg = <1>;
spi-max-frequency = <20000000>;
};
};

opencores_spi1: spi@50000120 {
opencores_spi0: spi@50000120 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "opencores,spi-oc";
Expand All @@ -508,7 +481,7 @@
interrupts = <10>;
clocks = <&fpga_clk_weim_bclk>;
clock-names = "spi-oc-clk";
num-cs = <1>;
num-cs = <3>;

/* Touch screen SPI interface */
touch_spi: touch_spi@0 {
Expand All @@ -528,6 +501,49 @@
ti,pressure-min = /bits/ 16 <300>;
linux,wakeup;
};

spifram: eeprom@1 {
compatible = "atmel,at25";
reg = <1>;
spi-max-frequency = <20000000>;
size = <0x800>;
address-width = <16>;
pagesize = <64>;
};

spisplash: spi@2 {
compatible = "jedec,spi-nor";
reg = <2>;
spi-max-frequency = <20000000>;
};
};
};

fpga_pwm0: pwm@180 {
compatible = "technologic,pwm";
reg = <0x180 8>;
clocks = <&fpga_clk_weim_bclk>;
clock-names = "PWM-INPUT-CLK";
};

fpga_pwm1: pwm@190 {
compatible = "technologic,pwm";
reg = <0x190 8>;
clocks = <&fpga_clk_weim_bclk>;
clock-names = "PWM-INPUT-CLK";
};

fpga_pwm2: pwm@1a0 {
compatible = "technologic,pwm";
reg = <0x1a0 8>;
clocks = <&fpga_clk_weim_bclk>;
clock-names = "PWM-INPUT-CLK";
};

fpga_pwm3: pwm@1b0 {
compatible = "technologic,pwm";
reg = <0x1b0 8>;
clocks = <&fpga_clk_weim_bclk>;
clock-names = "PWM-INPUT-CLK";
};
};
};
41 changes: 33 additions & 8 deletions arch/arm/boot/dts/nxp/imx/imx6ul-ts7250v3.dtsi
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -428,9 +428,13 @@

fpga_bank0: fpga_gpio@10 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0x10 0x08>;
reg = <0x10 0x08>, <0x80 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <21 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;

Expand All @@ -444,9 +448,13 @@

fpga_bank1: fpga_gpio@40 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0x40 0x08>;
reg = <0x40 0x08>, <0x90 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;

Expand All @@ -460,9 +468,13 @@

fpga_bank2: fpga_gpio@54 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0x54 0x08>;
reg = <0x54 0x08>, <0xa0 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <23 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;

Expand All @@ -478,9 +490,13 @@

fpga_bank3: fpga_gpio@5c {
compatible = "technologic,ts71xxweim-gpio";
reg = <0x5c 0x08>;
reg = <0x5c 0x08>, <0xb0 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <24 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;

Expand All @@ -494,9 +510,13 @@

fpga_bank4: fpga_gpio@64 {
compatible = "technologic,ts71xxweim-gpio";
reg = <0x64 0x08>;
reg = <0x64 0x08>, <0xc0 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <25 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;

Expand All @@ -512,17 +532,22 @@

fpga_bank5: fpga_gpio@6c {
compatible = "technologic,ts71xxweim-gpio";
reg = <0x6c 0x08>;
reg = <0x6c 0x08>, <0xd0 0x10>;
gpio-controller;
#gpio-cells = <2>;

interrupt-parent = <&fpga_intc>;
interrupts = <26 IRQ_TYPE_LEVEL_HIGH>;

interrupt-controller;
#interrupt-cells = <1>;

gpio-line-names = "ISA_ADD_16", "ISA_ADD_17",
"ISA_ADD_18", "ISA_ADD_19", "ISA_IOR",
"ISA_IOW", "ISA_MEMR", "ISA_MEMW",
"ISA_CN_D01", "ISA_CN_D02", "", "", "",
"", "", "";
"ISA_CN_D01", "ISA_CN_D02", "ISA_IRQ3",
"ISA_IRQ5", "ISA_IRQ6", "ISA_IRQ7",
"ISA_IRQ9", "";
};

pc104bus: fpgaisa@50 {
Expand Down
1 change: 1 addition & 0 deletions drivers/gpio/Kconfig
View file
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Original file line number Diff line number Diff line change
Expand Up @@ -891,6 +891,7 @@ config GPIO_LOONGSON1
config GPIO_TS71XXWEIM
bool "embeddedTS WEIM FPGA GPIO"
depends on IMX_WEIM
select GPIOLIB_IRQCHIP
help
Say yes here to enable the GPIO driver for embeddedTS's FPGA core
connected to the i.MX6UL WEIM bus.
Expand Down
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