ARM: sun7i: Enable the A20 clocks in the DTSI

Now that the clock driver knows about the available clocks found on the
A20, we can build up the clock tree from the device tree.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

1 files changed, 116 insertions, 10 deletions

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index f4e4524cd4f9..999ff45cb77e 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -44,7 +44,8 @@
 
                 osc24M: osc24M@01c20050 {
                         #clock-cells = <0>;
-                        compatible = "fixed-clock";
+                        compatible = "allwinner,sun4i-osc-clk";
+                        reg = <0x01c20050 0x4>;
                         clock-frequency = <24000000>;
                 };
 
@@ -53,6 +54,111 @@
                         compatible = "fixed-clock";
                         clock-frequency = <32768>;
                 };
+
+                pll1: pll1@01c20000 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-pll1-clk";
+                        reg = <0x01c20000 0x4>;
+                        clocks = <&osc24M>;
+                };
+
+                /*
+                 * This is a dummy clock, to be used as placeholder on
+                 * other mux clocks when a specific parent clock is not
+                 * yet implemented. It should be dropped when the driver
+                 * is complete.
+                 */
+                pll6: pll6 {
+                        #clock-cells = <0>;
+                        compatible = "fixed-clock";
+                        clock-frequency = <0>;
+                };
+
+                cpu: cpu@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-cpu-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll6>;
+                };
+
+                axi: axi@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-axi-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&cpu>;
+                };
+
+                ahb: ahb@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-ahb-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&axi>;
+                };
+
+                ahb_gates: ahb_gates@01c20060 {
+                        #clock-cells = <1>;
+                        compatible = "allwinner,sun7i-a20-ahb-gates-clk";
+                        reg = <0x01c20060 0x8>;
+                        clocks = <&ahb>;
+                        clock-output-names = "ahb_usb0", "ahb_ehci0",
+                                "ahb_ohci0", "ahb_ehci1", "ahb_ohci1",
+                                "ahb_ss", "ahb_dma", "ahb_bist", "ahb_mmc0",
+                                "ahb_mmc1", "ahb_mmc2", "ahb_mmc3", "ahb_ms",
+                                "ahb_nand", "ahb_sdram", "ahb_ace",
+                                "ahb_emac", "ahb_ts", "ahb_spi0", "ahb_spi1",
+                                "ahb_spi2", "ahb_spi3", "ahb_sata",
+                                "ahb_hstimer", "ahb_ve", "ahb_tvd", "ahb_tve0",
+                                "ahb_tve1", "ahb_lcd0", "ahb_lcd1", "ahb_csi0",
+                                "ahb_csi1", "ahb_hdmi1", "ahb_hdmi0",
+                                "ahb_de_be0", "ahb_de_be1", "ahb_de_fe0",
+                                "ahb_de_fe1", "ahb_gmac", "ahb_mp",
+                                "ahb_mali";
+                };
+
+                apb0: apb0@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-apb0-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&ahb>;
+                };
+
+                apb0_gates: apb0_gates@01c20068 {
+                        #clock-cells = <1>;
+                        compatible = "allwinner,sun7i-a20-apb0-gates-clk";
+                        reg = <0x01c20068 0x4>;
+                        clocks = <&apb0>;
+                        clock-output-names = "apb0_codec", "apb0_spdif",
+                                "apb0_ac97", "apb0_iis0", "apb0_iis1",
+                                "apb0_pio", "apb0_ir0", "apb0_ir1",
+                                "apb0_iis2", "apb0_keypad";
+                };
+
+                apb1_mux: apb1_mux@01c20058 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-apb1-mux-clk";
+                        reg = <0x01c20058 0x4>;
+                        clocks = <&osc24M>, <&pll6>, <&osc32k>;
+                };
+
+                apb1: apb1@01c20058 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-apb1-clk";
+                        reg = <0x01c20058 0x4>;
+                        clocks = <&apb1_mux>;
+                };
+
+                apb1_gates: apb1_gates@01c2006c {
+                        #clock-cells = <1>;
+                        compatible = "allwinner,sun7i-a20-apb1-gates-clk";
+                        reg = <0x01c2006c 0x4>;
+                        clocks = <&apb1>;
+                        clock-output-names = "apb1_i2c0", "apb1_i2c1",
+                                "apb1_i2c2", "apb1_i2c3", "apb1_can",
+                                "apb1_scr", "apb1_ps20", "apb1_ps21",
+                                "apb1_i2c4", "apb1_uart0", "apb1_uart1",
+                                "apb1_uart2", "apb1_uart3", "apb1_uart4",
+                                "apb1_uart5", "apb1_uart6", "apb1_uart7";
+                };
         };
 
         soc@01c00000 {
@@ -65,7 +171,7 @@
                         compatible = "allwinner,sun7i-a20-pinctrl";
                         reg = <0x01c20800 0x400>;
                         interrupts = <0 28 1>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb0_gates 5>;
                         gpio-controller;
                         interrupt-controller;
                         #address-cells = <1>;
@@ -117,7 +223,7 @@
                         interrupts = <0 1 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 16>;
                         status = "disabled";
                 };
 
@@ -127,7 +233,7 @@
                         interrupts = <0 2 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 17>;
                         status = "disabled";
                 };
 
@@ -137,7 +243,7 @@
                         interrupts = <0 3 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 18>;
                         status = "disabled";
                 };
 
@@ -147,7 +253,7 @@
                         interrupts = <0 4 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 19>;
                         status = "disabled";
                 };
 
@@ -157,7 +263,7 @@
                         interrupts = <0 17 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 20>;
                         status = "disabled";
                 };
 
@@ -167,7 +273,7 @@
                         interrupts = <0 18 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 21>;
                         status = "disabled";
                 };
 
@@ -177,7 +283,7 @@
                         interrupts = <0 19 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 22>;
                         status = "disabled";
                 };
 
@@ -187,7 +293,7 @@
                         interrupts = <0 20 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc24M>;
+                        clocks = <&apb1_gates 23>;
                         status = "disabled";
                 };