This patch adds bindings for the MMC slot and SPI flash on the Sipeed Maix Bit.
Signed-off-by: Sean Anderson seanga2@gmail.com --- This patch was previously part of https://patchwork.ozlabs.org/project/uboot/list/?series=161576
Changes in v2: - Remove broken-wp property (implicit due to no wp gpio) - Remove ctrl0 field offsets from device tree - Switch to new compatible strings - Switch to new pinmux binding style
arch/riscv/dts/k210-maix-bit.dts | 46 +++++++++++++++++++++++++++++++- arch/riscv/dts/k210.dtsi | 2 ++ 2 files changed, 47 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/dts/k210-maix-bit.dts b/arch/riscv/dts/k210-maix-bit.dts index e840e04ada..73892c6450 100644 --- a/arch/riscv/dts/k210-maix-bit.dts +++ b/arch/riscv/dts/k210-maix-bit.dts @@ -141,7 +141,7 @@ 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 */ }; };
@@ -149,3 +149,47 @@ 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 429891d651..fe47ee7aaf 100644 --- a/arch/riscv/dts/k210.dtsi +++ b/arch/riscv/dts/k210.dtsi @@ -495,6 +495,8 @@ interrupts = <24>; clocks = <&sysclk K210_CLK_DVP>; resets = <&sysrst K210_RST_DVP>; + kendryte,sysctl = <&sysctl>; + kendryte,misc-offset = <K210_SYSCTL_MISC>; status = "disabled"; };