On the K210, a register in sysctl controls whether accessing an SPI device
has the xip_en signal set. Add the appropriate bindings.
Signed-off-by: Sean Anderson <sean...@gmail.com>
---
arch/riscv/dts/k210.dtsi | 23 ++++++++++++++++++++---
1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/arch/riscv/dts/k210.dtsi b/arch/riscv/dts/k210.dtsi
index dac7c62289..aa1c53f09f 100644
--- a/arch/riscv/dts/k210.dtsi
+++ b/arch/riscv/dts/k210.dtsi
@@ -292,6 +292,8 @@
interrupts = <2>;
clocks = <&sysclk K210_CLK_SPI2>;
resets = <&sysrst K210_RST_SPI2>;
+ mux-controls = <&xip_mux 2>;
+ mux-xip-state = <1>;
spi-max-frequency = <25000000>;
status = "disabled";
};
@@ -530,6 +532,15 @@
mask = <1>;
value = <1>;
};
+
+ xip_mux: mux-controller {
+ compatible = "mmio-mux";
+ #mux-control-cells = <1>;
+ mux-reg-masks = <K210_SYSCTL_PERI (1 <<
12)>,
+ <K210_SYSCTL_PERI (1 <<
13)>,
+ <K210_SYSCTL_PERI (1 <<
14)>,
+ <K210_SYSCTL_PERI (1 <<
15)>;
+ };
};
aes0: aes@50450000 {
@@ -563,11 +574,13 @@
compatible = "canaan,kendryte-k210-spi",
"snps,dw-apb-ssi-4.01",
"snps,dw-apb-ssi";
- reg = <0x52000000 0x100>;
+ reg = <0x52000000 0x1000000>;
interrupts = <1>;
clocks = <&sysclk K210_CLK_SPI0>;
clock-names = "ssi_clk";
resets = <&sysrst K210_RST_SPI0>;
+ mux-controls = <&xip_mux 0>;
+ mux-xip-state = <1>;
spi-max-frequency = <25000000>;
num-cs = <4>;
reg-io-width = <4>;
@@ -580,11 +593,13 @@
compatible = "canaan,kendryte-k210-spi",
"snps,dw-apb-ssi-4.01",
"snps,dw-apb-ssi";
- reg = <0x53000000 0x100>;
+ reg = <0x53000000 0x1000000>;
interrupts = <2>;
clocks = <&sysclk K210_CLK_SPI1>;
clock-names = "ssi_clk";
resets = <&sysrst K210_RST_SPI1>;
+ mux-controls = <&xip_mux 1>;
+ mux-xip-state = <1>;
spi-max-frequency = <25000000>;
num-cs = <4>;
reg-io-width = <4>;
@@ -596,13 +611,15 @@
#size-cells = <0>;
compatible = "canaan,kendryte-k210-ssi",
"snps,dwc-ssi-1.01a";
- reg = <0x54000000 0x200>;
+ reg = <0x54000000 0x1000000>;
interrupts = <4>;
clocks = <&sysclk K210_CLK_SPI3>;
clock-names = "ssi_clk";
assigned-clocks = <&sysclk K210_CLK_SPI3>;
assigned-clock-rates = <390000000>;
resets = <&sysrst K210_RST_SPI3>;
+ mux-controls = <&xip_mux 3>;
+ mux-xip-state = <1>;
/* Could possibly go up to 200 MHz */
spi-max-frequency = <100000000>;
num-cs = <4>;
--
2.29.2
