There is a QSPI NOR flash part on the board.  Because this chip isn't
yet supported in Linux, but it is supported in U-Boot, and the
face that the RPC_SPI compatible names are different in U-Boot and
Linux, the device tree updates are confined to -u-boot.dtsi files.

Signed-off-by: Adam Ford <aford...@gmail.com>

diff --git a/arch/arm/dts/r8a774a1-beacon-rzg2m-kit-u-boot.dtsi 
b/arch/arm/dts/r8a774a1-beacon-rzg2m-kit-u-boot.dtsi
index a0c0a7f35c..06271537b7 100644
--- a/arch/arm/dts/r8a774a1-beacon-rzg2m-kit-u-boot.dtsi
+++ b/arch/arm/dts/r8a774a1-beacon-rzg2m-kit-u-boot.dtsi
@@ -4,11 +4,19 @@
  */
 
 / {
+       aliases {
+               spi0 = &rpc;
+       };
+
        soc {
                u-boot,dm-pre-reloc;
        };
 };
 
+&avb {
+       phy-mode = "rgmii-txid";
+};
+
 &cpg {
        u-boot,dm-pre-reloc;
 };
@@ -25,6 +33,25 @@
        u-boot,dm-pre-reloc;
 };
 
+&rpc {
+       compatible = "renesas,rcar-gen3-rpc";
+       num-cs = <1>;
+       spi-max-frequency = <40000000>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       status = "okay";
+
+       flash0: spi-flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               reg = <0>;
+               compatible = "spi-flash", "jedec,spi-nor";
+               spi-max-frequency = <40000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+       };
+};
+
 &sdhi0 {
        /delete-property/ cd-gpios;
 };
diff --git a/arch/arm/dts/r8a774b1-beacon-rzg2n-kit-u-boot.dtsi 
b/arch/arm/dts/r8a774b1-beacon-rzg2n-kit-u-boot.dtsi
index a0c0a7f35c..be0ce54e55 100644
--- a/arch/arm/dts/r8a774b1-beacon-rzg2n-kit-u-boot.dtsi
+++ b/arch/arm/dts/r8a774b1-beacon-rzg2n-kit-u-boot.dtsi
@@ -4,6 +4,10 @@
  */
 
 / {
+       aliases {
+               spi0 = &rpc;
+       };
+
        soc {
                u-boot,dm-pre-reloc;
        };
@@ -25,6 +29,25 @@
        u-boot,dm-pre-reloc;
 };
 
+&rpc {
+       compatible = "renesas,rcar-gen3-rpc";
+       num-cs = <1>;
+       spi-max-frequency = <40000000>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       status = "okay";
+
+       flash0: spi-flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               reg = <0>;
+               compatible = "spi-flash", "jedec,spi-nor";
+               spi-max-frequency = <40000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+       };
+};
+
 &sdhi0 {
        /delete-property/ cd-gpios;
 };
diff --git a/arch/arm/dts/r8a774e1-beacon-rzg2h-kit-u-boot.dtsi 
b/arch/arm/dts/r8a774e1-beacon-rzg2h-kit-u-boot.dtsi
index eef200af2d..228391e0df 100644
--- a/arch/arm/dts/r8a774e1-beacon-rzg2h-kit-u-boot.dtsi
+++ b/arch/arm/dts/r8a774e1-beacon-rzg2h-kit-u-boot.dtsi
@@ -4,6 +4,10 @@
  */
 
 / {
+       aliases {
+               spi0 = &rpc;
+       };
+
        soc {
                u-boot,dm-pre-reloc;
        };
@@ -25,6 +29,25 @@
        u-boot,dm-pre-reloc;
 };
 
+&rpc {
+       compatible = "renesas,rcar-gen3-rpc";
+       num-cs = <1>;
+       spi-max-frequency = <40000000>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       status = "okay";
+
+       flash0: spi-flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               reg = <0>;
+               compatible = "spi-flash", "jedec,spi-nor";
+               spi-max-frequency = <40000000>;
+               spi-tx-bus-width = <1>;
+               spi-rx-bus-width = <1>;
+       };
+};
+
 &sdhi0 {
        /delete-property/ cd-gpios;
        sd-uhs-sdr12;
diff --git a/configs/r8a774a1_beacon_defconfig 
b/configs/r8a774a1_beacon_defconfig
index 58d3f9f019..ff29a40d15 100644
--- a/configs/r8a774a1_beacon_defconfig
+++ b/configs/r8a774a1_beacon_defconfig
@@ -17,7 +17,9 @@ CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
 CONFIG_CMD_PART=y
+CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
@@ -46,6 +48,10 @@ CONFIG_MMC_IO_VOLTAGE=y
 CONFIG_MMC_UHS_SUPPORT=y
 CONFIG_MMC_HS200_SUPPORT=y
 CONFIG_RENESAS_SDHI=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_BITBANGMII=y
 CONFIG_PHY_REALTEK=y
 CONFIG_DM_ETH=y
@@ -55,6 +61,9 @@ CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_SCIF_CONSOLE=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_RENESAS_RPC_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
diff --git a/configs/r8a774b1_beacon_defconfig 
b/configs/r8a774b1_beacon_defconfig
index c0d2d1bf53..537343eea0 100644
--- a/configs/r8a774b1_beacon_defconfig
+++ b/configs/r8a774b1_beacon_defconfig
@@ -17,7 +17,9 @@ CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
 CONFIG_CMD_PART=y
+CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
@@ -47,6 +49,10 @@ CONFIG_MMC_UHS_SUPPORT=y
 CONFIG_MMC_HS200_SUPPORT=y
 CONFIG_RENESAS_SDHI=y
 CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_WINBOND=y
+CONFIG_MTD=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_BITBANGMII=y
 CONFIG_PHY_REALTEK=y
@@ -60,6 +66,9 @@ CONFIG_SCIF_CONSOLE=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_RENESAS_RPC_SPI=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_RENESAS_RPC_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
diff --git a/configs/r8a774e1_beacon_defconfig 
b/configs/r8a774e1_beacon_defconfig
index 800c7b8c79..8b3b86007f 100644
--- a/configs/r8a774e1_beacon_defconfig
+++ b/configs/r8a774e1_beacon_defconfig
@@ -17,7 +17,9 @@ CONFIG_CMD_BOOTZ=y
 CONFIG_CMD_GPIO=y
 CONFIG_CMD_I2C=y
 CONFIG_CMD_MMC=y
+CONFIG_CMD_MTD=y
 CONFIG_CMD_PART=y
+CONFIG_CMD_SPI=y
 CONFIG_CMD_USB=y
 CONFIG_CMD_DHCP=y
 CONFIG_CMD_MII=y
@@ -46,6 +48,10 @@ CONFIG_MMC_IO_VOLTAGE=y
 CONFIG_MMC_UHS_SUPPORT=y
 CONFIG_MMC_HS200_SUPPORT=y
 CONFIG_RENESAS_SDHI=y
+CONFIG_MTD=y
+CONFIG_DM_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_BITBANGMII=y
 CONFIG_PHY_REALTEK=y
 CONFIG_DM_ETH=y
@@ -55,6 +61,9 @@ CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_DM_REGULATOR_GPIO=y
 CONFIG_SPECIFY_CONSOLE_INDEX=y
 CONFIG_SCIF_CONSOLE=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_RENESAS_RPC_SPI=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
 CONFIG_USB_XHCI_HCD=y
-- 
2.25.1

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