diff options
Diffstat (limited to 'target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch')
| -rw-r--r-- | target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch b/target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch new file mode 100644 index 0000000000..0814658998 --- /dev/null +++ b/target/linux/pistachio/patches-5.4/903-MIPS-DTS-img-marduk-Add-NXP-SC16IS752IPW.patch @@ -0,0 +1,81 @@ +From ad4eba0c36ce8af6ab9ea1bc163e4c1ac7c271c3 Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens <hauke@hauke-m.de> +Date: Sat, 15 Aug 2020 16:09:02 +0200 +Subject: [PATCH 903/904] MIPS: DTS: img: marduk: Add NXP SC16IS752IPW + +Add NXP SC16IS752IPW SPI-UART controller to device tree. + +This controller drives 2 UARTs and 7 LEDs on the board. + +Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +--- + arch/mips/boot/dts/img/pistachio_marduk.dts | 51 +++++++++++++++++++++ + 1 file changed, 51 insertions(+) + +--- a/arch/mips/boot/dts/img/pistachio_marduk.dts ++++ b/arch/mips/boot/dts/img/pistachio_marduk.dts +@@ -46,6 +46,46 @@ + regulator-max-microvolt = <1800000>; + }; + ++ /* EXT clock from ca8210 is fed to sc16is752 */ ++ ca8210_ext_clk: ca8210-ext-clk { ++ compatible = "fixed-clock"; ++ #clock-cells = <0>; ++ clock-frequency = <16000000>; ++ clock-output-names = "ca8210_ext_clock"; ++ }; ++ ++ gpioleds { ++ compatible = "gpio-leds"; ++ user1 { ++ label = "marduk:red:user1"; ++ gpios = <&sc16is752 0 GPIO_ACTIVE_LOW>; ++ }; ++ user2 { ++ label = "marduk:red:user2"; ++ gpios = <&sc16is752 1 GPIO_ACTIVE_LOW>; ++ }; ++ user3 { ++ label = "marduk:red:user3"; ++ gpios = <&sc16is752 2 GPIO_ACTIVE_LOW>; ++ }; ++ user4 { ++ label = "marduk:red:user4"; ++ gpios = <&sc16is752 3 GPIO_ACTIVE_LOW>; ++ }; ++ user5 { ++ label = "marduk:red:user5"; ++ gpios = <&sc16is752 4 GPIO_ACTIVE_LOW>; ++ }; ++ user6 { ++ label = "marduk:red:user6"; ++ gpios = <&sc16is752 5 GPIO_ACTIVE_LOW>; ++ }; ++ user7 { ++ label = "marduk:red:user7"; ++ gpios = <&sc16is752 6 GPIO_ACTIVE_LOW>; ++ }; ++ }; ++ + leds { + compatible = "pwm-leds"; + heartbeat { +@@ -95,6 +135,17 @@ + extclock-freq = <16000000>; + extclock-gpio = <2>; + }; ++ ++ sc16is752: sc16is752@1 { ++ compatible = "nxp,sc16is752"; ++ reg = <1>; ++ clocks = <&ca8210_ext_clk>; ++ spi-max-frequency = <4000000>; ++ interrupt-parent = <&gpio0>; ++ interrupts = <11 IRQ_TYPE_EDGE_FALLING>; ++ gpio-controller; ++ #gpio-cells = <2>; ++ }; + }; + + &spfi1 { |