ARM: sun6i: Enable clock support in the DTSI

Now that the clock driver has support for the A31 clocks, we can add
them to the DTSI and start using them in the relevant hardware blocks.

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

1 files changed, 134 insertions, 10 deletions

diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
index dc5da4f3766b..f244f5f02365 100644
--- a/arch/arm/boot/dts/sun6i-a31.dtsi
+++ b/arch/arm/boot/dts/sun6i-a31.dtsi
@@ -51,13 +51,137 @@
 
         clocks {
                 #address-cells = <1>;
-                #size-cells = <0>;
+                #size-cells = <1>;
+                ranges;
 
-                osc: oscillator {
+                osc24M: osc24M {
                         #clock-cells = <0>;
                         compatible = "fixed-clock";
                         clock-frequency = <24000000>;
                 };
+
+                osc32k: osc32k {
+                        #clock-cells = <0>;
+                        compatible = "fixed-clock";
+                        clock-frequency = <32768>;
+                };
+
+                pll1: pll1@01c20000 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun6i-a31-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@01c20050 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-cpu-clk";
+                        reg = <0x01c20050 0x4>;
+
+                        /*
+                         * PLL1 is listed twice here.
+                         * While it looks suspicious, it's actually documented
+                         * that way both in the datasheet and in the code from
+                         * Allwinner.
+                         */
+                        clocks = <&osc32k>, <&osc24M>, <&pll1>, <&pll1>;
+                };
+
+                axi: axi@01c20050 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-axi-clk";
+                        reg = <0x01c20050 0x4>;
+                        clocks = <&cpu>;
+                };
+
+                ahb1_mux: ahb1_mux@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun6i-a31-ahb1-mux-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6>;
+                };
+
+                ahb1: ahb1@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-ahb-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&ahb1_mux>;
+                };
+
+                ahb1_gates: ahb1_gates@01c20060 {
+                        #clock-cells = <1>;
+                        compatible = "allwinner,sun6i-a31-ahb1-gates-clk";
+                        reg = <0x01c20060 0x8>;
+                        clocks = <&ahb1>;
+                        clock-output-names = "ahb1_mipidsi", "ahb1_ss",
+                                        "ahb1_dma", "ahb1_mmc0", "ahb1_mmc1",
+                                        "ahb1_mmc2", "ahb1_mmc3", "ahb1_nand1",
+                                        "ahb1_nand0", "ahb1_sdram",
+                                        "ahb1_gmac", "ahb1_ts", "ahb1_hstimer",
+                                        "ahb1_spi0", "ahb1_spi1", "ahb1_spi2",
+                                        "ahb1_spi3", "ahb1_otg", "ahb1_ehci0",
+                                        "ahb1_ehci1", "ahb1_ohci0",
+                                        "ahb1_ohci1", "ahb1_ohci2", "ahb1_ve",
+                                        "ahb1_lcd0", "ahb1_lcd1", "ahb1_csi",
+                                        "ahb1_hdmi", "ahb1_de0", "ahb1_de1",
+                                        "ahb1_fe0", "ahb1_fe1", "ahb1_mp",
+                                        "ahb1_gpu", "ahb1_deu0", "ahb1_deu1",
+                                        "ahb1_drc0", "ahb1_drc1";
+                };
+
+                apb1: apb1@01c20054 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-apb0-clk";
+                        reg = <0x01c20054 0x4>;
+                        clocks = <&ahb1>;
+                };
+
+                apb1_gates: apb1_gates@01c20060 {
+                        #clock-cells = <1>;
+                        compatible = "allwinner,sun6i-a31-apb1-gates-clk";
+                        reg = <0x01c20068 0x4>;
+                        clocks = <&apb1>;
+                        clock-output-names = "apb1_codec", "apb1_digital_mic",
+                                        "apb1_pio", "apb1_daudio0",
+                                        "apb1_daudio1";
+                };
+
+                apb2_mux: apb2_mux@01c20058 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun4i-apb1-mux-clk";
+                        reg = <0x01c20058 0x4>;
+                        clocks = <&osc32k>, <&osc24M>, <&pll6>, <&pll6>;
+                };
+
+                apb2: apb2@01c20058 {
+                        #clock-cells = <0>;
+                        compatible = "allwinner,sun6i-a31-apb2-div-clk";
+                        reg = <0x01c20058 0x4>;
+                        clocks = <&apb2_mux>;
+                };
+
+                apb2_gates: apb2_gates@01c2006c {
+                        #clock-cells = <1>;
+                        compatible = "allwinner,sun6i-a31-apb2-gates-clk";
+                        reg = <0x01c2006c 0x8>;
+                        clocks = <&apb2>;
+                        clock-output-names = "apb2_i2c0", "apb2_i2c1",
+                                        "apb2_i2c2", "apb2_i2c3", "apb2_uart0",
+                                        "apb2_uart1", "apb2_uart2", "apb2_uart3",
+                                        "apb2_uart4", "apb2_uart5";
+                };
         };
 
         soc@01c00000 {
@@ -70,7 +194,7 @@
                         compatible = "allwinner,sun6i-a31-pinctrl";
                         reg = <0x01c20800 0x400>;
                         interrupts = <0 11 1>, <0 15 1>, <0 16 1>, <0 17 1>;
-                        clocks = <&osc>;
+                        clocks = <&apb1_gates 5>;
                         gpio-controller;
                         interrupt-controller;
                         #address-cells = <1>;
@@ -93,7 +217,7 @@
                                      <0 20 1>,
                                      <0 21 1>,
                                      <0 22 1>;
-                        clocks = <&osc>;
+                        clocks = <&osc24M>;
                 };
 
                 wdt1: watchdog@01c20ca0 {
@@ -107,7 +231,7 @@
                         interrupts = <0 0 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc>;
+                        clocks = <&apb2_gates 16>;
                         status = "disabled";
                 };
 
@@ -117,7 +241,7 @@
                         interrupts = <0 1 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc>;
+                        clocks = <&apb2_gates 17>;
                         status = "disabled";
                 };
 
@@ -127,7 +251,7 @@
                         interrupts = <0 2 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc>;
+                        clocks = <&apb2_gates 18>;
                         status = "disabled";
                 };
 
@@ -137,7 +261,7 @@
                         interrupts = <0 3 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc>;
+                        clocks = <&apb2_gates 19>;
                         status = "disabled";
                 };
 
@@ -147,7 +271,7 @@
                         interrupts = <0 4 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc>;
+                        clocks = <&apb2_gates 20>;
                         status = "disabled";
                 };
 
@@ -157,7 +281,7 @@
                         interrupts = <0 5 1>;
                         reg-shift = <2>;
                         reg-io-width = <4>;
-                        clocks = <&osc>;
+                        clocks = <&apb2_gates 21>;
                         status = "disabled";
                 };