diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-6.1/950-1063-dts-rp1-Add-spi6-fix-spi1-address-cells.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-6.1/950-1063-dts-rp1-Add-spi6-fix-spi1-address-cells.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-6.1/950-1063-dts-rp1-Add-spi6-fix-spi1-address-cells.patch b/target/linux/bcm27xx/patches-6.1/950-1063-dts-rp1-Add-spi6-fix-spi1-address-cells.patch new file mode 100644 index 0000000000..41ab025555 --- /dev/null +++ b/target/linux/bcm27xx/patches-6.1/950-1063-dts-rp1-Add-spi6-fix-spi1-address-cells.patch @@ -0,0 +1,49 @@ +From cd66a0832351762b496bdce6f2f94a871d11484e Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Thu, 2 Nov 2023 13:12:55 +0000 +Subject: [PATCH] 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> +--- + arch/arm/boot/dts/rp1.dtsi | 17 ++++++++++++++++- + 1 file changed, 16 insertions(+), 1 deletion(-) + +--- a/arch/arm/boot/dts/rp1.dtsi ++++ b/arch/arm/boot/dts/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>, +@@ -262,6 +262,21 @@ + dma-names = "tx", "rx"; + 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 { |