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authorSimon Horman <horms+renesas@verge.net.au>2016-03-15 09:26:33 +0900
committerSimon Horman <horms+renesas@verge.net.au>2016-04-20 08:56:34 +1000
commite980f9418f45a3c0d53e54bc17bd48406060c2bb (patch)
tree61038a388c9a49eb3f10fe44d3be531d71ab6489 /arch/arm/boot/dts/r8a7794.dtsi
parent28e941de3dc7105ab3c0c261814d4d53a6b8ddf4 (diff)
ARM: dts: r8a7794: add CAN clocks to device tree
Add CAN nodes to r8a7794 device tree. Based on work by Sergei Shtylyov for the r8a7791 SoC. Signed-off-by: Simon Horman <horms+renesas@verge.net.au> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Diffstat (limited to 'arch/arm/boot/dts/r8a7794.dtsi')
-rw-r--r--arch/arm/boot/dts/r8a7794.dtsi33
1 files changed, 26 insertions, 7 deletions
diff --git a/arch/arm/boot/dts/r8a7794.dtsi b/arch/arm/boot/dts/r8a7794.dtsi
index 7d7d18766540..2d8835bdf3f6 100644
--- a/arch/arm/boot/dts/r8a7794.dtsi
+++ b/arch/arm/boot/dts/r8a7794.dtsi
@@ -843,6 +843,22 @@
clock-frequency = <0>;
};
+ /* External USB clock - can be overridden by the board */
+ usb_extal_clk: usb_extal {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <48000000>;
+ };
+
+ /* External CAN clock */
+ can_clk: can {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ /* This value must be overridden by the board. */
+ clock-frequency = <0>;
+ status = "disabled";
+ };
+
/* External SCIF clock */
scif_clk: scif {
compatible = "fixed-clock";
@@ -857,10 +873,11 @@
compatible = "renesas,r8a7794-cpg-clocks",
"renesas,rcar-gen2-cpg-clocks";
reg = <0 0xe6150000 0 0x1000>;
- clocks = <&extal_clk>;
+ clocks = <&extal_clk &usb_extal_clk>;
#clock-cells = <1>;
clock-output-names = "main", "pll0", "pll1", "pll3",
- "lb", "qspi", "sdh", "sd0", "z";
+ "lb", "qspi", "sdh", "sd0", "z",
+ "rcan";
#power-domain-cells = <0>;
};
/* Variable factor clocks */
@@ -1115,20 +1132,22 @@
compatible = "renesas,r8a7794-mstp-clocks", "renesas,cpg-mstp-clocks";
reg = <0 0xe6150994 0 4>, <0 0xe61509a4 0 4>;
clocks = <&cp_clk>, <&cp_clk>, <&cp_clk>, <&cp_clk>,
- <&cp_clk>, <&cp_clk>, <&cp_clk>,
- <&cpg_clocks R8A7794_CLK_QSPI>, <&hp_clk>, <&hp_clk>,
- <&hp_clk>, <&hp_clk>, <&hp_clk>, <&hp_clk>;
+ <&cp_clk>, <&cp_clk>, <&cp_clk>, <&p_clk>,
+ <&p_clk>, <&cpg_clocks R8A7794_CLK_QSPI>,
+ <&hp_clk>, <&hp_clk>, <&hp_clk>, <&hp_clk>,
+ <&hp_clk>, <&hp_clk>;
#clock-cells = <1>;
clock-indices = <R8A7794_CLK_GPIO6 R8A7794_CLK_GPIO5
R8A7794_CLK_GPIO4 R8A7794_CLK_GPIO3
R8A7794_CLK_GPIO2 R8A7794_CLK_GPIO1
- R8A7794_CLK_GPIO0 R8A7794_CLK_QSPI_MOD
+ R8A7794_CLK_GPIO0 R8A7794_CLK_RCAN1
+ R8A7794_CLK_RCAN0 R8A7794_CLK_QSPI_MOD
R8A7794_CLK_I2C5 R8A7794_CLK_I2C4
R8A7794_CLK_I2C3 R8A7794_CLK_I2C2
R8A7794_CLK_I2C1 R8A7794_CLK_I2C0>;
clock-output-names =
"gpio6", "gpio5", "gpio4", "gpio3", "gpio2",
- "gpio1", "gpio0", "qspi_mod",
+ "gpio1", "gpio0", "rcan1", "rcan0", "qspi_mod",
"i2c5", "i2c4", "i2c3", "i2c2", "i2c1", "i2c0";
};
mstp11_clks: mstp11_clks@e615099c {