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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>
This commit is contained in:
Simon Horman 2016-03-15 09:26:33 +09:00
parent 28e941de3d
commit e980f9418f
2 changed files with 29 additions and 7 deletions
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33
arch/arm/boot/dts/r8a7794.dtsi
View File

@ -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 {

3
include/dt-bindings/clock/r8a7794-clock.h
View File

@ -21,6 +21,7 @@
#define R8A7794_CLK_SDH 6
#define R8A7794_CLK_SD0 7
#define R8A7794_CLK_Z 8
#define R8A7794_CLK_RCAN 9
/* MSTP0 */
#define R8A7794_CLK_MSIOF0 0
@ -95,6 +96,8 @@
#define R8A7794_CLK_GPIO2 10
#define R8A7794_CLK_GPIO1 11
#define R8A7794_CLK_GPIO0 12
#define R8A7794_CLK_RCAN1 15
#define R8A7794_CLK_RCAN0 16
#define R8A7794_CLK_QSPI_MOD 17
#define R8A7794_CLK_I2C5 25
#define R8A7794_CLK_I2C4 27