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| author | Sean Anderson <seanga2@gmail.com> | 2020-10-16 18:57:54 -0400 |
|---|---|---|
| committer | Jagan Teki <jagan@amarulasolutions.com> | 2020-12-18 16:16:37 +0530 |
| commit | b55af5a2252be84a48c94a2d392c1da71c89be78 (patch) | |
| tree | 1ca45d670d243d58d7e5a64f52ae157deab465f3 | |
| parent | fec7bf0460dbf5a6744e1f98298a9b664f856a34 (diff) | |
| download | u-boot-b55af5a2252be84a48c94a2d392c1da71c89be78.zip u-boot-b55af5a2252be84a48c94a2d392c1da71c89be78.tar.gz u-boot-b55af5a2252be84a48c94a2d392c1da71c89be78.tar.bz2 | |
riscv: Add device tree bindings for SPI
This patch adds bindings for the MMC slot and SPI flash on the Sipeed Maix
Bit.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
Acked-by: Rick Chen <rick@andestech.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
| -rw-r--r-- | arch/riscv/dts/k210-maix-bit.dts | 46 | ||||
| -rw-r--r-- | arch/riscv/dts/k210.dtsi | 2 |
2 files changed, 47 insertions, 1 deletions
diff --git a/arch/riscv/dts/k210-maix-bit.dts b/arch/riscv/dts/k210-maix-bit.dts index c2beec6..e4dea20 100644 --- a/arch/riscv/dts/k210-maix-bit.dts +++ b/arch/riscv/dts/k210-maix-bit.dts @@ -152,7 +152,7 @@ pinmux = <K210_FPIOA(26, K210_PCF_SPI1_D1)>, <K210_FPIOA(27, K210_PCF_SPI1_SCLK)>, <K210_FPIOA(28, K210_PCF_SPI1_D0)>, - <K210_FPIOA(29, K210_PCF_GPIOHS13)>; + <K210_FPIOA(29, K210_PCF_GPIOHS13)>; /* cs */ }; }; @@ -160,3 +160,47 @@ pinctrl-0 = <&fpioa_dvp>; pinctrl-names = "default"; }; + +&spi0 { + pinctrl-0 = <&fpioa_spi0>; + pinctrl-names = "default"; + num-cs = <1>; + cs-gpios = <&gpio0 20 0>; + + panel@0 { + compatible = "sitronix,st7789v"; + reg = <0>; + reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>; + dc-gpios = <&gpio0 22 0>; + spi-max-frequency = <15000000>; + status = "disabled"; + }; +}; + +&spi1 { + pinctrl-0 = <&fpioa_spi1>; + pinctrl-names = "default"; + num-cs = <1>; + cs-gpios = <&gpio0 13 0>; + status = "okay"; + + slot@0 { + compatible = "mmc-spi-slot"; + reg = <0>; + spi-max-frequency = <25000000>; + voltage-ranges = <3300 3300>; + broken-cd; + }; +}; + +&spi3 { + status = "okay"; + + spi-flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + m25p,fast-read; + broken-flash-reset; + }; +}; diff --git a/arch/riscv/dts/k210.dtsi b/arch/riscv/dts/k210.dtsi index fce98b0..81b0401 100644 --- a/arch/riscv/dts/k210.dtsi +++ b/arch/riscv/dts/k210.dtsi @@ -496,6 +496,8 @@ interrupts = <24>; clocks = <&sysclk K210_CLK_DVP>; resets = <&sysrst K210_RST_DVP>; + kendryte,sysctl = <&sysctl>; + kendryte,misc-offset = <K210_SYSCTL_MISC>; status = "disabled"; }; |