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.rip...@free-electrons.com> --- arch/arm/boot/dts/sun7i-a20.dtsi | 126 +++++++++++++++++++++++++++++++++++---- 1 file changed, 116 insertions(+), 10 deletions(-) diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi index da1411b..fb81e78 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"; }; -- 1.8.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/