diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0559-spi-devicetree-add-overlays-for-spi-3-to-6.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0559-spi-devicetree-add-overlays-for-spi-3-to-6.patch | 581 |
1 files changed, 581 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0559-spi-devicetree-add-overlays-for-spi-3-to-6.patch b/target/linux/bcm27xx/patches-4.19/950-0559-spi-devicetree-add-overlays-for-spi-3-to-6.patch new file mode 100644 index 0000000000..27de73d301 --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0559-spi-devicetree-add-overlays-for-spi-3-to-6.patch @@ -0,0 +1,581 @@ +From a4ea446a07d7ba010c3c32286a22dc89cffa1e54 Mon Sep 17 00:00:00 2001 +From: Martin Sperl <kernel@martin.sperl.org> +Date: Sun, 12 May 2019 16:17:08 +0000 +Subject: [PATCH] spi: devicetree: add overlays for spi 3 to 6 + +Signed-off-by: Martin Sperl <kernel@martin.sperl.org> +--- + arch/arm/boot/dts/overlays/Makefile | 8 ++ + arch/arm/boot/dts/overlays/README | 104 ++++++++++++++++++ + .../boot/dts/overlays/spi3-1cs-overlay.dts | 44 ++++++++ + .../boot/dts/overlays/spi3-2cs-overlay.dts | 56 ++++++++++ + .../boot/dts/overlays/spi4-1cs-overlay.dts | 44 ++++++++ + .../boot/dts/overlays/spi4-2cs-overlay.dts | 56 ++++++++++ + .../boot/dts/overlays/spi5-1cs-overlay.dts | 44 ++++++++ + .../boot/dts/overlays/spi5-2cs-overlay.dts | 56 ++++++++++ + .../boot/dts/overlays/spi6-1cs-overlay.dts | 44 ++++++++ + .../boot/dts/overlays/spi6-2cs-overlay.dts | 56 ++++++++++ + 10 files changed, 512 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/spi3-1cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi3-2cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi4-1cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi4-2cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi5-1cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi5-2cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi6-1cs-overlay.dts + create mode 100644 arch/arm/boot/dts/overlays/spi6-2cs-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -144,6 +144,14 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + spi2-1cs.dtbo \ + spi2-2cs.dtbo \ + spi2-3cs.dtbo \ ++ spi3-1cs.dtbo \ ++ spi3-2cs.dtbo \ ++ spi4-1cs.dtbo \ ++ spi4-2cs.dtbo \ ++ spi5-1cs.dtbo \ ++ spi5-2cs.dtbo \ ++ spi6-1cs.dtbo \ ++ spi6-2cs.dtbo \ + ssd1306.dtbo \ + superaudioboard.dtbo \ + sx150x.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -2085,6 +2085,110 @@ Params: cs0_pin GPIO pin + is 'okay' or enabled). + + ++Name: spi3-1cs ++Info: Enables spi3 with a single chip select (CS) line and associated spidev ++ dev node. The gpio pin number for the CS line and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi3-1cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 0 - BCM SPI3_CE0). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev3.0 (default ++ is 'on' or enabled). ++ ++ ++Name: spi3-2cs ++Info: Enables spi3 with two chip select (CS) lines and associated spidev ++ dev nodes. The gpio pin numbers for the CS lines and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi3-2cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 0 - BCM SPI3_CE0). ++ cs1_pin GPIO pin for CS1 (default 24 - BCM SPI3_CE1). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev3.0 (default ++ is 'on' or enabled). ++ cs1_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev3.1 (default ++ is 'on' or enabled). ++ ++ ++Name: spi4-1cs ++Info: Enables spi4 with a single chip select (CS) line and associated spidev ++ dev node. The gpio pin number for the CS line and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi4-1cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 4 - BCM SPI4_CE0). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev4.0 (default ++ is 'on' or enabled). ++ ++ ++Name: spi4-2cs ++Info: Enables spi4 with two chip select (CS) lines and associated spidev ++ dev nodes. The gpio pin numbers for the CS lines and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi4-2cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 4 - BCM SPI4_CE0). ++ cs1_pin GPIO pin for CS1 (default 25 - BCM SPI4_CE1). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev4.0 (default ++ is 'on' or enabled). ++ cs1_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev4.1 (default ++ is 'on' or enabled). ++ ++ ++Name: spi5-1cs ++Info: Enables spi5 with a single chip select (CS) line and associated spidev ++ dev node. The gpio pin numbers for the CS lines and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi5-1cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 12 - BCM SPI5_CE0). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev5.0 (default ++ is 'on' or enabled). ++ ++ ++Name: spi5-2cs ++Info: Enables spi5 with two chip select (CS) lines and associated spidev ++ dev nodes. The gpio pin numbers for the CS lines and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi5-2cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 12 - BCM SPI5_CE0). ++ cs1_pin GPIO pin for CS1 (default 26 - BCM SPI5_CE1). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev5.0 (default ++ is 'on' or enabled). ++ cs1_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev5.1 (default ++ is 'on' or enabled). ++ ++ ++Name: spi6-1cs ++Info: Enables spi6 with a single chip select (CS) line and associated spidev ++ dev node. The gpio pin number for the CS line and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi6-1cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 18 - BCM SPI6_CE0). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev6.0 (default ++ is 'on' or enabled). ++ ++ ++Name: spi6-2cs ++Info: Enables spi6 with two chip select (CS) lines and associated spidev ++ dev nodes. The gpio pin numbers for the CS lines and spidev device node ++ creation are configurable. ++Load: dtoverlay=spi6-2cs,<param>=<val> ++Params: cs0_pin GPIO pin for CS0 (default 18 - BCM SPI6_CE0). ++ cs1_pin GPIO pin for CS1 (default 27 - BCM SPI6_CE1). ++ cs0_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev6.0 (default ++ is 'on' or enabled). ++ cs1_spidev Set to 'off' to prevent the creation of a ++ userspace device node /dev/spidev6.1 (default ++ is 'on' or enabled). ++ ++ + Name: ssd1306 + Info: Overlay for activation of SSD1306 over I2C OLED display framebuffer. + Load: dtoverlay=ssd1306,<param>=<val> +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi3-1cs-overlay.dts +@@ -0,0 +1,44 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi3_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <0>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi3>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi3_pins &spi3_cs_pins>; ++ cs-gpios = <&gpio 0 1>; ++ status = "okay"; ++ ++ spidev3_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs0_spidev = <&spidev3_0>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi3-2cs-overlay.dts +@@ -0,0 +1,56 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi3_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <0 24>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi3>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi3_pins &spi3_cs_pins>; ++ cs-gpios = <&gpio 0 1>, <&gpio 24 1>; ++ status = "okay"; ++ ++ spidev3_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ ++ spidev3_1: spidev@1 { ++ compatible = "spidev"; ++ reg = <1>; /* CE1 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs1_pin = <&frag0>,"brcm,pins:4", ++ <&frag1>,"cs-gpios:16"; ++ cs0_spidev = <&spidev3_0>,"status"; ++ cs1_spidev = <&spidev3_1>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi4-1cs-overlay.dts +@@ -0,0 +1,44 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi4_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <4>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi4>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi4_pins &spi4_cs_pins>; ++ cs-gpios = <&gpio 4 1>; ++ status = "okay"; ++ ++ spidev4_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs0_spidev = <&spidev4_0>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi4-2cs-overlay.dts +@@ -0,0 +1,56 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi4_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <4 25>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi4>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi4_pins &spi4_cs_pins>; ++ cs-gpios = <&gpio 4 1>, <&gpio 25 1>; ++ status = "okay"; ++ ++ spidev4_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ ++ spidev4_1: spidev@1 { ++ compatible = "spidev"; ++ reg = <1>; /* CE1 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs1_pin = <&frag0>,"brcm,pins:4", ++ <&frag1>,"cs-gpios:16"; ++ cs0_spidev = <&spidev4_0>,"status"; ++ cs1_spidev = <&spidev4_1>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi5-1cs-overlay.dts +@@ -0,0 +1,44 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi5_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <12>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi5>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi5_pins &spi5_cs_pins>; ++ cs-gpios = <&gpio 12 1>; ++ status = "okay"; ++ ++ spidev5_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs0_spidev = <&spidev5_0>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi5-2cs-overlay.dts +@@ -0,0 +1,56 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi5_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <12 26>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi5>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi5_pins &spi5_cs_pins>; ++ cs-gpios = <&gpio 12 1>, <&gpio 26 1>; ++ status = "okay"; ++ ++ spidev5_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ ++ spidev5_1: spidev@1 { ++ compatible = "spidev"; ++ reg = <1>; /* CE1 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs1_pin = <&frag0>,"brcm,pins:4", ++ <&frag1>,"cs-gpios:16"; ++ cs0_spidev = <&spidev5_0>,"status"; ++ cs1_spidev = <&spidev5_1>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi6-1cs-overlay.dts +@@ -0,0 +1,44 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi6_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <18>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi6>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi6_pins &spi6_cs_pins>; ++ cs-gpios = <&gpio 18 1>; ++ status = "okay"; ++ ++ spidev6_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs0_spidev = <&spidev6_0>,"status"; ++ }; ++}; +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/spi6-2cs-overlay.dts +@@ -0,0 +1,56 @@ ++/dts-v1/; ++/plugin/; ++ ++ ++/ { ++ compatible = "brcm,bcm2838"; ++ ++ fragment@0 { ++ target = <&spi6_cs_pins>; ++ frag0: __overlay__ { ++ brcm,pins = <18 27>; ++ brcm,function = <1>; /* output */ ++ }; ++ }; ++ ++ fragment@1 { ++ target = <&spi6>; ++ frag1: __overlay__ { ++ /* needed to avoid dtc warning */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ pinctrl-names = "default"; ++ pinctrl-0 = <&spi6_pins &spi6_cs_pins>; ++ cs-gpios = <&gpio 18 1>, <&gpio 27 1>; ++ status = "okay"; ++ ++ spidev6_0: spidev@0 { ++ compatible = "spidev"; ++ reg = <0>; /* CE0 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ ++ spidev6_1: spidev@1 { ++ compatible = "spidev"; ++ reg = <1>; /* CE1 */ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ spi-max-frequency = <125000000>; ++ status = "okay"; ++ }; ++ }; ++ }; ++ ++ __overrides__ { ++ cs0_pin = <&frag0>,"brcm,pins:0", ++ <&frag1>,"cs-gpios:4"; ++ cs1_pin = <&frag0>,"brcm,pins:4", ++ <&frag1>,"cs-gpios:16"; ++ cs0_spidev = <&spidev6_0>,"status"; ++ cs1_spidev = <&spidev6_1>,"status"; ++ }; ++}; |