@@ -64,6 +64,121 @@
clock-frequency = <32768>;
clock-output-names = "osc32k";
};
+
+ pll1: clk@01c20000 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun8i-a23-pll1-clk";
+ reg = <0x01c20000 0x4>;
+ clocks = <&osc24M>;
+ clock-output-names = "pll1";
+ };
+
+ /* dummy clock until actually implemented */
+ pll6: pll6_clk {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <600000000>;
+ clock-output-names = "pll6";
+ };
+
+ cpu: cpu_clk@01c20050 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-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>;
+ clock-output-names = "cpu";
+ };
+
+ axi: axi_clk@01c20050 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun8i-a23-axi-clk";
+ reg = <0x01c20050 0x4>;
+ clocks = <&cpu>;
+ clock-output-names = "axi";
+ };
+
+ ahb1_mux: ahb1_mux_clk@01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun6i-a31-ahb1-mux-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&osc32k>, <&osc24M>, <&axi>, <&pll6>;
+ clock-output-names = "ahb1_mux";
+ };
+
+ ahb1: ahb1_clk@01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-ahb-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&ahb1_mux>;
+ clock-output-names = "ahb1";
+ };
+
+ apb1: apb1_clk@01c20054 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-apb0-clk";
+ reg = <0x01c20054 0x4>;
+ clocks = <&ahb1>;
+ clock-output-names = "apb1";
+ };
+
+ ahb1_gates: clk@01c20060 {
+ #clock-cells = <1>;
+ compatible = "allwinner,sun8i-a23-ahb1-gates-clk";
+ reg = <0x01c20060 0x8>;
+ clocks = <&ahb1>;
+ clock-output-names = "ahb1_mipidsi", "ahb1_dma",
+ "ahb1_mmc0", "ahb1_mmc1", "ahb1_mmc2",
+ "ahb1_nand", "ahb1_sdram",
+ "ahb1_hstimer", "ahb1_spi0",
+ "ahb1_spi1", "ahb1_otg", "ahb1_ehci",
+ "ahb1_ohci", "ahb1_ve", "ahb1_lcd",
+ "ahb1_csi", "ahb1_be", "ahb1_fe",
+ "ahb1_gpu", "ahb1_spinlock",
+ "ahb1_drc";
+ };
+
+ apb1_gates: clk@01c20068 {
+ #clock-cells = <1>;
+ compatible = "allwinner,sun8i-a23-apb1-gates-clk";
+ reg = <0x01c20068 0x4>;
+ clocks = <&apb1>;
+ clock-output-names = "apb1_codec", "apb1_pio",
+ "apb1_daudio0", "apb1_daudio1";
+ };
+
+ apb2_mux: apb2_mux_clk@01c20058 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-apb1-mux-clk";
+ reg = <0x01c20058 0x4>;
+ clocks = <&osc32k>, <&osc24M>, <&pll6>, <&pll6>;
+ clock-output-names = "apb2_mux";
+ };
+
+ apb2: apb2_clk@01c20058 {
+ #clock-cells = <0>;
+ compatible = "allwinner,sun6i-a31-apb2-div-clk";
+ reg = <0x01c20058 0x4>;
+ clocks = <&apb2_mux>;
+ clock-output-names = "apb2";
+ };
+
+ apb2_gates: clk@01c2006c {
+ #clock-cells = <1>;
+ compatible = "allwinner,sun8i-a23-apb2-gates-clk";
+ reg = <0x01c2006c 0x4>;
+ clocks = <&apb2>;
+ clock-output-names = "apb2_i2c0", "apb2_i2c1",
+ "apb2_i2c2", "apb2_uart0",
+ "apb2_uart1", "apb2_uart2",
+ "apb2_uart3", "apb2_uart4";
+ };
};
soc@01c00000 {
@@ -92,7 +207,7 @@
interrupts = <0 0 4>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&apb2_gates 16>;
status = "disabled";
};
@@ -102,7 +217,7 @@
interrupts = <0 1 4>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&apb2_gates 17>;
status = "disabled";
};
@@ -112,7 +227,7 @@
interrupts = <0 2 4>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&apb2_gates 18>;
status = "disabled";
};
@@ -122,7 +237,7 @@
interrupts = <0 3 4>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&apb2_gates 19>;
status = "disabled";
};
@@ -132,7 +247,7 @@
interrupts = <0 4 4>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&apb2_gates 20>;
status = "disabled";
};
Now that we have support for sun8i specific clocks in the driver, add the corresponding clock nodes to the DTSI. Also update the existing peripherals with the correct clocks. Signed-off-by: Chen-Yu Tsai <wens@csie.org> --- arch/arm/boot/dts/sun8i-a23.dtsi | 125 +++++++++++++++++++++++++++++++++++++-- 1 file changed, 120 insertions(+), 5 deletions(-)