[PATCH v2 1/2] ARM: shmobile: r8a7794: add QSPI DT support
Sergei Shtylyov
sergei.shtylyov at cogentembedded.com
Mon Aug 10 14:59:24 PDT 2015
Define the generic R8A7794 part of the QSPI device node.
Based on original patch by Hisashi Nakamura <hisashi.nakamura.ak at renesas.com>.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
---
Changes in version 2:
- moved the "power-domains" property after the DMA properties.
arch/arm/boot/dts/r8a7794.dtsi | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
Index: renesas/arch/arm/boot/dts/r8a7794.dtsi
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7794.dtsi
+++ renesas/arch/arm/boot/dts/r8a7794.dtsi
@@ -19,6 +19,10 @@
#address-cells = <2>;
#size-cells = <2>;
+ aliases {
+ spi0 = &qspi;
+ };
+
cpus {
#address-cells = <1>;
#size-cells = <0>;
@@ -537,6 +541,20 @@
status = "disabled";
};
+ qspi: spi at e6b10000 {
+ compatible = "renesas,qspi-r8a7794", "renesas,qspi";
+ reg = <0 0xe6b10000 0 0x2c>;
+ interrupts = <0 184 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_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>;
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