ARM: shmobile: r8a7793: Add QSPI device to DT

Instantiate the QSPI controller in the r8a7793 device tree.

Based on similar work for the r8a7794 by Hisashi Nakamura and
Sergei Shtylyov.

Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi
index 187a82d..aa9b64c 100644 (file)
--- a/arch/arm/boot/dts/r8a7793.dtsi
+++ b/arch/arm/boot/dts/r8a7793.dtsi
@@ -18,6 +18,10 @@
        #address-cells = <2>;
        #size-cells = <2>;
 
+       aliases {
+               spi0 = &qspi;
+       };
+
        cpus {
                #address-cells = <1>;
                #size-cells = <0>;
@@ -222,6 +226,20 @@
                status = "disabled";
        };
 
+       qspi: spi@e6b10000 {
+               compatible = "renesas,qspi-r8a7793", "renesas,qspi";
+               reg = <0 0xe6b10000 0 0x2c>;
+               interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&mstp9_clks R8A7793_CLK_QSPI_MOD>;
+               dmas = <&dmac0 0x17>, <&dmac0 0x18>;
+               dma-names = "tx", "rx";
+               power-domains = <&cpg_clocks>;
+               num-cs = <1>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               status = "disabled";
+       };
+
        clocks {
                #address-cells = <2>;
                #size-cells = <2>;
@@ -463,6 +481,14 @@
                                "ipmmu_sgx", "vin2", "vin1", "vin0", "ether",
                                "sata1", "sata0";
                };
+               mstp9_clks: mstp9_clks@e6150994 {
+                       compatible = "renesas,r8a7793-mstp-clocks", "renesas,cpg-mstp-clocks";
+                       reg = <0 0xe6150994 0 4>, <0 0xe61509a4 0 4>;
+                       clocks = <&cpg_clocks R8A7793_CLK_QSPI>;
+                       #clock-cells = <1>;
+                       clock-indices = <R8A7793_CLK_QSPI_MOD>;
+                       clock-output-names = "qspi_mod";
+               };
        };
 
        ipmmu_sy0: mmu@e6280000 {