Thread (37 messages) 37 messages, 4 authors, 2016-06-17

[PATCH 07/13] ARM: dts: r8a7792: initial SoC device tree

From: geert@linux-m68k.org (Geert Uytterhoeven)
Date: 2016-06-01 09:23:48
Also in: linux-devicetree, linux-renesas-soc

On Wed, Jun 1, 2016 at 12:24 AM, Sergei Shtylyov
[off-list ref] wrote:
quoted hunk ↗ jump to hunk
The initial R8A7792 SoC device tree including 2 CPU cores, GIC, timer, SYSC,
and the required  clock descriptions.

Signed-off-by: Sergei Shtylyov <redacted>

---
 arch/arm/boot/dts/r8a7792.dtsi |  423 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 423 insertions(+)

Index: renesas/arch/arm/boot/dts/r8a7792.dtsi
===================================================================
--- /dev/null
+++ renesas/arch/arm/boot/dts/r8a7792.dtsi
@@ -0,0 +1,423 @@
+/*
+ * Device Tree Source for the r8a7792 SoC
+ *
+ * Copyright (C) 2016 Cogent Embedded Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <dt-bindings/clock/r8a7792-clock.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h> is included
implicitly by the above.
+#include <dt-bindings/power/r8a7792-sysc.h>
+
+/ {
+       compatible = "renesas,r8a7792";
+       interrupt-parent = <&gic>;
+       #address-cells = <2>;
+       #size-cells = <2>;
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               cpu0: cpu at 0 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a15";
+                       reg = <0>;
+                       clock-frequency = <1000000000>;
+                       clocks = <&cpg_clocks R8A7792_CLK_Z>;
+                       power-domains = <&sysc R8A7792_PD_CA15_CPU0>;
+                       next-level-cache = <&L2_CA15>;
+               };
+
+               cpu1: cpu at 1 {
+                       device_type = "cpu";
+                       compatible = "arm,cortex-a15";
+                       reg = <1>;
+                       clock-frequency = <1000000000>;
+                       power-domains = <&sysc R8A7792_PD_CA15_CPU1>;
+                       next-level-cache = <&L2_CA15>;
+               };
+
+               L2_CA15: cache-controller at 0 {
+                       compatible = "cache";
+                       reg = <0>;
+                       cache-unified;
+                       cache-level = <2>;
+                       power-domains = <&sysc R8A7792_PD_CA15_SCU>;
+               };
+       };
+
+       gic: interrupt-controller at f1001000 {
It would be good to group all on-SoC devices under an "soc" node, like we
started doing for r8a7795.
+       clocks {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+
+               /* External root clock */
+               extal_clk: extal {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       /* This value must be overridden by the board. */
+                       clock-frequency = <0>;
+               };
The fixed clocks should be at the root level these days.
+               /* Special CPG clocks */
+               cpg_clocks: cpg_clocks at e6150000 {
+                       compatible = "renesas,r8a7792-cpg-clocks",
+                                    "renesas,rcar-gen2-cpg-clocks";
+                       reg = <0 0xe6150000 0 0x1000>;
+                       clocks = <&extal_clk>;
+                       #clock-cells = <1>;
+                       clock-output-names = "main", "pll0", "pll1", "pll3",
+                                            "lb", "qspi", "sdh", "sd0", "sd1",
+                                            "z";
"sdh", "sd0", and "sd1" do not exist. Please remove them.
+               z2_clk: z2 {
+                       compatible = "fixed-factor-clock";
+                       clocks = <&cpg_clocks R8A7792_CLK_PLL1>;
+                       #clock-cells = <0>;
+                       clock-div = <2>;
+                       clock-mult = <1>;
+               };
V2H doesn't have Z2.
+               i_clk: i {
+                       compatible = "fixed-factor-clock";
+                       clocks = <&cpg_clocks R8A7792_CLK_PLL1>;
+                       #clock-cells = <0>;
+                       clock-div = <2>;
+                       clock-mult = <1>;
+               };
clock-div = <3>;
+               cp_clk: cp {
+                       compatible = "fixed-factor-clock";
+                       clocks = <&extal_clk>;
+                       #clock-cells = <0>;
+                       clock-div = <2>;
+                       clock-mult = <1>;
+               };
On V2H, CP is derived from PLL1, cfr. CL.
The clock derived from EXTAL is called CPEX.
+               mstp1_clks: mstp1_clks at e6150134 {
+                       compatible = "renesas,r8a7792-mstp-clocks",
+                                    "renesas,cpg-mstp-clocks";
+                       reg = <0 0xe6150134 0 4>, <0 0xe6150038 0 4>;
+                       clocks = <&p_clk>, <&p_clk>, <&p_clk>, <&rclk_clk>,
+                                <&cp_clk>, <&zs_clk>, <&zs_clk>, <&zs_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <
+                               R8A7792_CLK_TMU1 R8A7792_CLK_TMU3
+                               R8A7792_CLK_TMU2 R8A7792_CLK_CMT0
+                               R8A7792_CLK_TMU0 R8A7792_CLK_VSP1DU1
+                               R8A7792_CLK_VSP1DU0 R8A7792_CLK_VSP1_SY
+                       >;
+                       clock-output-names = "tmu1", "tmu3", "tmu2", "cmt0",
+                                            "tmu0", "vsp1du1", "vsp1du0",
These are called "vsp1-du1", "vsp1-du0" in all other R-Car Gen2 dtsis.
+                                            "vsp1-sy";
+               };
+               mstp2_clks: mstp2_clks at e6150138 {
+                       compatible = "renesas,r8a7792-mstp-clocks",
+                                    "renesas,cpg-mstp-clocks";
+                       reg = <0 0xe6150138 0 4>, <0 0xe6150040 0 4>;
+                       clocks = <&mp_clk>, <&zs_clk>, <&zs_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <
+                               R8A7792_CLK_MSIOF1
+                               R8A7792_CLK_SYS_DMAC0 R8A7792_CLK_SYS_DMAC1
Wrong order of the DMACs.
+                       >;
+                       clock-output-names = "msiof1", "sys-dmac0", "sys-dmac1";
Wrong order of the DMACs.
+               };
+               mstp3_clks: mstp3_clks at e615013c {
+                       compatible = "renesas,r8a7792-mstp-clocks",
+                                    "renesas,cpg-mstp-clocks";
+                       reg = <0 0xe615013c 0 4>, <0 0xe6150048 0 4>;
+                       clocks = <&cp_clk>, <&cpg_clocks R8A7792_CLK_SD0>,
As there's no SD0, this can't be correct.
+                                <&rclk_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <
+                               R8A7792_CLK_TPU0 R8A7792_CLK_SDHI0
+                               R8A7792_CLK_CMT1
+                       >;
+                       clock-output-names = "tpu0", "sdhi0", "cmt1";
+               };
+               mstp5_clks: mstp5_clks at e6150144 {
+                       compatible = "renesas,r8a7792-mstp-clocks",
+                                    "renesas,cpg-mstp-clocks";
+                       reg = <0 0xe6150144 0 4>, <0 0xe615003c 0 4>;
+                       clocks = <&hp_clk>, <&extal_clk>, <&p_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <
+                               R8A7792_CLK_AUDIO_DMAC0
+                               R8A7792_CLK_THERMAL R8A7792_CLK_PWM
+                       >;
+                       clock-output-names = "thermal", "pwm", "audmac0";
clock-output-names = "audmac0", "thermal", "pwm";
+               };
+               mstp9_clks: mstp9_clks at e6150994 {
+                       compatible = "renesas,r8a7792-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>, <&cp_clk>,
+                                <&cp_clk>, <&cp_clk>, <&p_clk>, <&p_clk>,
+                                <&cpg_clocks R8A7792_CLK_QSPI>, <&cp_clk>,
+                                <&cp_clk>, <&hp_clk>, <&cp_clk>, <&hp_clk>,
+                                <&hp_clk>, <&hp_clk>, <&hp_clk>, <&hp_clk>;
+                       #clock-cells = <1>;
+                       clock-indices = <
+                               R8A7792_CLK_GPIO7 R8A7792_CLK_GPIO6
+                               R8A7792_CLK_GPIO5 R8A7792_CLK_GPIO4
+                               R8A7792_CLK_GPIO3 R8A7792_CLK_GPIO2
+                               R8A7792_CLK_GPIO1 R8A7792_CLK_GPIO0
+                               R8A7792_CLK_GPIO11 R8A7792_CLK_GPIO10
+                               R8A7792_CLK_CAN1 R8A7792_CLK_CAN0
+                               R8A7792_CLK_QSPI_MOD R8A7792_CLK_GPIO9
+                               R8A7792_CLK_GPIO8 R8A7792_CLK_I2C5
+                               R8A7792_CLK_IICDVFS R8A7792_CLK_I2C4
+                               R8A7792_CLK_I2C3 R8A7792_CLK_I2C2
+                               R8A7792_CLK_I2C1 R8A7792_CLK_I2C0
+                       >;
+                       clock-output-names = "gpio7", "gpio6", "gpio5", "gpio4",
+                                            "gpio3", "gpio2", "gpio1", "gpio0",
+                                            "gpio11", "gpio10", "can1", "can0",
These are called "rcan1", "rcan0" in other dtsis.
+                                            "qspi_mod", "gpio9", "gpio8",
+                                            "i2c5", "iic3", "i2c4", "i2c3",
+                                            "i2c2", "i2c1", "i2c0";
+               };
Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help