dts: rp1: Add spi6, fix spi1 #address-cells

spi6 won't be useful on Pi 5 because it can't be enabled on the 40-pin
header, but include it for completeness.

Also fix the #address-cells value for spi1, otherwise the kernel will
reject attempts to apply the, say, spi1-2cs overlay at runtime.

Signed-off-by: Phil Elwell <phil@raspberrypi.com>

diff --git a/arch/arm/boot/dts/broadcom/rp1.dtsi b/arch/arm/boot/dts/broadcom/rp1.dtsi
index ed0add0..08b5414 100644 (file)
--- a/arch/arm/boot/dts/broadcom/rp1.dtsi
+++ b/arch/arm/boot/dts/broadcom/rp1.dtsi
@@ -187,7 +187,7 @@
                        interrupts = <RP1_INT_SPI1 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&rp1_clocks RP1_CLK_SYS>;
                        clock-names = "ssi_clk";
-                       #address-cells = <0>;
+                       #address-cells = <1>;
                        #size-cells = <0>;
                        num-cs = <2>;
                        dmas = <&rp1_dma RP1_DMA_SPI1_TX>,
@@ -263,6 +263,21 @@
                        status = "disabled";
                };
 
+               rp1_spi6: spi@68000 {
+                       reg = <0xc0 0x40068000  0x0 0x130>;
+                       compatible = "snps,dw-apb-ssi";
+                       interrupts = <RP1_INT_SPI6 IRQ_TYPE_LEVEL_HIGH>;
+                       clocks = <&rp1_clocks RP1_CLK_SYS>;
+                       clock-names = "ssi_clk";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       num-cs = <2>;
+                       dmas = <&rp1_dma RP1_DMA_SPI6_TX>,
+                              <&rp1_dma RP1_DMA_SPI6_RX>;
+                       dma-names = "tx", "rx";
+                       status = "disabled";
+               };
+
                // SPI7 is a target/slave interface
                rp1_spi7: spi@6c000 {
                        reg = <0xc0 0x4006c000  0x0 0x130>;