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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2015-08-20 00:00:09 +0200
committerSimon Horman <horms+renesas@verge.net.au>2015-09-14 03:16:38 +0200
commit5428521ba123dddda4d2ac9ab19d173b692a8acb (patch)
tree887c3da31edd20ea2d7570ec3afcecd4a66745a4
parentARM: shmobile: kzm9g dts: Use adxl345-specific compatible property (diff)
downloadlinux-5428521ba123dddda4d2ac9ab19d173b692a8acb.tar.xz
linux-5428521ba123dddda4d2ac9ab19d173b692a8acb.zip
ARM: shmobile: r8a7794: add I2C DT support
Define the generic R8A7794 parts of the I2C[0-5] device nodes. Based on the original patch by Koji Matsuoka <koji.matsuoka.xm@renesas.com>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
-rw-r--r--arch/arm/boot/dts/r8a7794.dtsi73
1 files changed, 73 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index e0f32ede2181..7384db2a3992 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -20,6 +20,12 @@
#size-cells = <2>;
aliases {
+ i2c0 = &i2c0;
+ i2c1 = &i2c1;
+ i2c2 = &i2c2;
+ i2c3 = &i2c3;
+ i2c4 = &i2c4;
+ i2c5 = &i2c5;
spi0 = &qspi;
};
@@ -502,6 +508,73 @@
status = "disabled";
};
+ /* The memory map in the User's Manual maps the cores to bus numbers */
+ i2c0: i2c@e6508000 {
+ compatible = "renesas,i2c-r8a7794";
+ reg = <0 0xe6508000 0 0x40>;
+ interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_CLK_I2C0>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@e6518000 {
+ compatible = "renesas,i2c-r8a7794";
+ reg = <0 0xe6518000 0 0x40>;
+ interrupts = <0 288 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_CLK_I2C1>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c2: i2c@e6530000 {
+ compatible = "renesas,i2c-r8a7794";
+ reg = <0 0xe6530000 0 0x40>;
+ interrupts = <0 286 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_CLK_I2C2>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c3: i2c@e6540000 {
+ compatible = "renesas,i2c-r8a7794";
+ reg = <0 0xe6540000 0 0x40>;
+ interrupts = <0 290 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_CLK_I2C3>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c4: i2c@e6520000 {
+ compatible = "renesas,i2c-r8a7794";
+ reg = <0 0xe6520000 0 0x40>;
+ interrupts = <0 19 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_CLK_I2C4>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c5: i2c@e6528000 {
+ compatible = "renesas,i2c-r8a7794";
+ reg = <0 0xe6528000 0 0x40>;
+ interrupts = <0 20 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&mstp9_clks R8A7794_CLK_I2C5>;
+ power-domains = <&cpg_clocks>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
mmcif0: mmc@ee200000 {
compatible = "renesas,mmcif-r8a7794", "renesas,sh-mmcif";
reg = <0 0xee200000 0 0x80>;