ARM: shmobile: r8a7778: Common clock framework DT description

Declares all r8a7778 clocks supported by the legacy clock framework,
plus tmu2.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
[horms: only included dtsi changes]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 191 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index ef8533910029..822ba9003138 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -16,6 +16,7 @@
 
 /include/ "skeleton.dtsi"
 
+#include <dt-bindings/clock/r8a7778-clock.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 
 / {
@@ -294,4 +295,194 @@
                 #size-cells = <0>;
                 status = "disabled";
         };
+
+        clocks {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                /* External input clock */
+                extal_clk: extal_clk {
+                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
+                        clock-frequency = <0>;
+                        clock-output-names = "extal";
+                };
+
+                /* Special CPG clocks */
+                cpg_clocks: cpg_clocks@ffc80000 {
+                        compatible = "renesas,r8a7778-cpg-clocks";
+                        reg = <0xffc80000 0x80>;
+                        #clock-cells = <1>;
+                        clocks = <&extal_clk>;
+                        clock-output-names = "plla", "pllb", "b",
+                                             "out", "p", "s", "s1";
+                };
+
+                /* Audio clocks; frequencies are set by boards if applicable. */
+                audio_clk_a: audio_clk_a {
+                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
+                        clock-output-names = "audio_clk_a";
+                };
+                audio_clk_b: audio_clk_b {
+                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
+                        clock-output-names = "audio_clk_b";
+                };
+                audio_clk_c: audio_clk_c {
+                        compatible = "fixed-clock";
+                        #clock-cells = <0>;
+                        clock-output-names = "audio_clk_c";
+                };
+
+                /* Fixed ratio clocks */
+                g_clk: g_clk {
+                        compatible = "fixed-factor-clock";
+                        clocks = <&cpg_clocks R8A7778_CLK_PLLA>;
+                        #clock-cells = <0>;
+                        clock-div = <12>;
+                        clock-mult = <1>;
+                        clock-output-names = "g";
+                };
+                i_clk: i_clk {
+                        compatible = "fixed-factor-clock";
+                        clocks = <&cpg_clocks R8A7778_CLK_PLLA>;
+                        #clock-cells = <0>;
+                        clock-div = <1>;
+                        clock-mult = <1>;
+                        clock-output-names = "i";
+                };
+                s3_clk: s3_clk {
+                        compatible = "fixed-factor-clock";
+                        clocks = <&cpg_clocks R8A7778_CLK_PLLA>;
+                        #clock-cells = <0>;
+                        clock-div = <4>;
+                        clock-mult = <1>;
+                        clock-output-names = "s3";
+                };
+                s4_clk: s4_clk {
+                        compatible = "fixed-factor-clock";
+                        clocks = <&cpg_clocks R8A7778_CLK_PLLA>;
+                        #clock-cells = <0>;
+                        clock-div = <8>;
+                        clock-mult = <1>;
+                        clock-output-names = "s4";
+                };
+                z_clk: z_clk {
+                        compatible = "fixed-factor-clock";
+                        clocks = <&cpg_clocks R8A7778_CLK_PLLB>;
+                        #clock-cells = <0>;
+                        clock-div = <1>;
+                        clock-mult = <1>;
+                        clock-output-names = "z";
+                };
+
+                /* Gate clocks */
+                mstp0_clks: mstp0_clks@ffc80030 {
+                        compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks";
+                        reg = <0xffc80030 4>;
+                        clocks = <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_S>;
+                        #clock-cells = <1>;
+                        clock-indices = <
+                                R8A7778_CLK_I2C0 R8A7778_CLK_I2C1
+                                R8A7778_CLK_I2C2 R8A7778_CLK_I2C3
+                                R8A7778_CLK_SCIF0 R8A7778_CLK_SCIF1
+                                R8A7778_CLK_SCIF2 R8A7778_CLK_SCIF3
+                                R8A7778_CLK_SCIF4 R8A7778_CLK_SCIF5
+                                R8A7778_CLK_TMU0 R8A7778_CLK_TMU1
+                                R8A7778_CLK_TMU2 R8A7778_CLK_SSI0
+                                R8A7778_CLK_SSI1 R8A7778_CLK_SSI2
+                                R8A7778_CLK_SSI3 R8A7778_CLK_SRU
+                                R8A7778_CLK_HSPI
+                        >;
+                        clock-output-names =
+                                "i2c0", "i2c1", "i2c2", "i2c3", "scif0",
+                                "scif1", "scif2", "scif3", "scif4", "scif5",
+                                "tmu0", "tmu1", "tmu2", "ssi0", "ssi1",
+                                "ssi2", "ssi3", "sru", "hspi";
+                };
+                mstp1_clks: mstp1_clks@ffc80034 {
+                        compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks";
+                        reg = <0xffc80034 4>, <0xffc80044 4>;
+                        clocks = <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_S>,
+                                 <&cpg_clocks R8A7778_CLK_S>,
+                                 <&cpg_clocks R8A7778_CLK_P>;
+                        #clock-cells = <1>;
+                        clock-indices = <
+                                R8A7778_CLK_ETHER R8A7778_CLK_VIN0
+                                R8A7778_CLK_VIN1 R8A7778_CLK_USB
+                        >;
+                        clock-output-names =
+                                "ether", "vin0", "vin1", "usb";
+                };
+                mstp3_clks: mstp3_clks@ffc8003c {
+                        compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks";
+                        reg = <0xffc8003c 4>;
+                        clocks = <&s4_clk>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>;
+                        #clock-cells = <1>;
+                        clock-indices = <
+                                R8A7778_CLK_MMC R8A7778_CLK_SDHI0
+                                R8A7778_CLK_SDHI1 R8A7778_CLK_SDHI2
+                                R8A7778_CLK_SSI4 R8A7778_CLK_SSI5
+                                R8A7778_CLK_SSI6 R8A7778_CLK_SSI7
+                                R8A7778_CLK_SSI8
+                        >;
+                        clock-output-names =
+                                "mmc", "sdhi0", "sdhi1", "sdhi2", "ssi4",
+                                "ssi5", "ssi6", "ssi7", "ssi8";
+                };
+                mstp5_clks: mstp5_clks@ffc80054 {
+                        compatible = "renesas,r8a7778-mstp-clocks", "renesas,cpg-mstp-clocks";
+                        reg = <0xffc80054 4>;
+                        clocks = <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>,
+                                 <&cpg_clocks R8A7778_CLK_P>;
+                        #clock-cells = <1>;
+                        clock-indices = <
+                                R8A7778_CLK_SRU_SRC0 R8A7778_CLK_SRU_SRC1
+                                R8A7778_CLK_SRU_SRC2 R8A7778_CLK_SRU_SRC3
+                                R8A7778_CLK_SRU_SRC4 R8A7778_CLK_SRU_SRC5
+                                R8A7778_CLK_SRU_SRC6 R8A7778_CLK_SRU_SRC7
+                                R8A7778_CLK_SRU_SRC8
+                        >;
+                        clock-output-names =
+                                "sru-src0", "sru-src1", "sru-src2",
+                                "sru-src3", "sru-src4", "sru-src5",
+                                "sru-src6", "sru-src7", "sru-src8";
+                };
+        };
 };