Message ID | 20200807144317.282868-10-seanga2@gmail.com |
---|---|
State | Superseded |
Delegated to: | Andes |
Headers | show |
Series | riscv: Add SPI support for Kendryte K210 | expand |
> 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(-) Acked-by: Rick Chen <rick@andestech.com> I am OK that this patch can be pulled via SPI tree. Thanks, Rick > > 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"; > }; > > -- > 2.28.0 >
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"; };
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(-)