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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /arch/arm/boot/dts/sun9i-a80.dtsi
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'arch/arm/boot/dts/sun9i-a80.dtsi')
-rw-r--r--arch/arm/boot/dts/sun9i-a80.dtsi159
1 files changed, 158 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi
index 1118bf5cc..e838f206f 100644
--- a/arch/arm/boot/dts/sun9i-a80.dtsi
+++ b/arch/arm/boot/dts/sun9i-a80.dtsi
@@ -128,6 +128,17 @@
*/
ranges = <0 0 0 0x20000000>;
+ /*
+ * This clock is actually configurable from the PRCM address
+ * space. The external 24M oscillator can be turned off, and
+ * the clock switched to an internal 16M RC oscillator. Under
+ * normal operation there's no reason to do this, and the
+ * default is to use the external good one, so just model this
+ * as a fixed clock. Also it is not entirely clear if the
+ * osc24M mux in the PRCM affects the entire clock tree, which
+ * would also throw all the PLL clock rates off, or just the
+ * downstream clocks in the PRCM.
+ */
osc24M: osc24M_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
@@ -135,6 +146,13 @@
clock-output-names = "osc24M";
};
+ /*
+ * The 32k clock is from an external source, normally the
+ * AC100 codec/RTC chip. This clock is by default enabled
+ * and clocked at 32768 Hz, from the oscillator connected
+ * to the AC100. It is configurable, but no such driver or
+ * bindings exist yet.
+ */
osc32k: osc32k_clk {
#clock-cells = <0>;
compatible = "fixed-clock";
@@ -164,6 +182,14 @@
"usb_phy2", "usb_hsic_12M";
};
+ pll3: clk@06000008 {
+ /* placeholder until implemented */
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-rate = <0>;
+ clock-output-names = "pll3";
+ };
+
pll4: clk@0600000c {
#clock-cells = <0>;
compatible = "allwinner,sun9i-a80-pll4-clk";
@@ -350,6 +376,68 @@
"apb1_uart2", "apb1_uart3",
"apb1_uart4", "apb1_uart5";
};
+
+ cpus_clk: clk@08001410 {
+ compatible = "allwinner,sun9i-a80-cpus-clk";
+ reg = <0x08001410 0x4>;
+ #clock-cells = <0>;
+ clocks = <&osc32k>, <&osc24M>, <&pll4>, <&pll3>;
+ clock-output-names = "cpus";
+ };
+
+ ahbs: ahbs_clk {
+ compatible = "fixed-factor-clock";
+ #clock-cells = <0>;
+ clock-div = <1>;
+ clock-mult = <1>;
+ clocks = <&cpus_clk>;
+ clock-output-names = "ahbs";
+ };
+
+ apbs: clk@0800141c {
+ compatible = "allwinner,sun8i-a23-apb0-clk";
+ reg = <0x0800141c 0x4>;
+ #clock-cells = <0>;
+ clocks = <&ahbs>;
+ clock-output-names = "apbs";
+ };
+
+ apbs_gates: clk@08001428 {
+ compatible = "allwinner,sun9i-a80-apbs-gates-clk";
+ reg = <0x08001428 0x4>;
+ #clock-cells = <1>;
+ clocks = <&apbs>;
+ clock-indices = <0>, <1>,
+ <2>, <3>,
+ <4>, <5>,
+ <6>, <7>,
+ <12>, <13>,
+ <16>, <17>,
+ <18>, <20>;
+ clock-output-names = "apbs_pio", "apbs_ir",
+ "apbs_timer", "apbs_rsb",
+ "apbs_uart", "apbs_1wire",
+ "apbs_i2c0", "apbs_i2c1",
+ "apbs_ps2_0", "apbs_ps2_1",
+ "apbs_dma", "apbs_i2s0",
+ "apbs_i2s1", "apbs_twd";
+ };
+
+ r_1wire_clk: clk@08001450 {
+ reg = <0x08001450 0x4>;
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-mod0-clk";
+ clocks = <&osc32k>, <&osc24M>;
+ clock-output-names = "r_1wire";
+ };
+
+ r_ir_clk: clk@08001454 {
+ reg = <0x08001454 0x4>;
+ #clock-cells = <0>;
+ compatible = "allwinner,sun4i-a10-mod0-clk";
+ clocks = <&osc32k>, <&osc24M>;
+ clock-output-names = "r_ir";
+ };
};
soc {
@@ -764,14 +852,83 @@
interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
};
+ apbs_rst: reset@080014b0 {
+ reg = <0x080014b0 0x4>;
+ compatible = "allwinner,sun6i-a31-clock-reset";
+ #reset-cells = <1>;
+ };
+
+ nmi_intc: interrupt-controller@080015a0 {
+ compatible = "allwinner,sun9i-a80-nmi";
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ reg = <0x080015a0 0xc>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ r_ir: ir@08002000 {
+ compatible = "allwinner,sun5i-a13-ir";
+ interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&r_ir_pins>;
+ clocks = <&apbs_gates 1>, <&r_ir_clk>;
+ clock-names = "apb", "ir";
+ resets = <&apbs_rst 1>;
+ reg = <0x08002000 0x40>;
+ status = "disabled";
+ };
+
r_uart: serial@08002800 {
compatible = "snps,dw-apb-uart";
reg = <0x08002800 0x400>;
interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
- clocks = <&osc24M>;
+ clocks = <&apbs_gates 4>;
+ resets = <&apbs_rst 4>;
+ status = "disabled";
+ };
+
+ r_pio: pinctrl@08002c00 {
+ compatible = "allwinner,sun9i-a80-r-pinctrl";
+ reg = <0x08002c00 0x400>;
+ interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&apbs_gates 0>;
+ resets = <&apbs_rst 0>;
+ gpio-controller;
+ interrupt-controller;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #gpio-cells = <3>;
+
+ r_ir_pins: r_ir {
+ allwinner,pins = "PL6";
+ allwinner,function = "s_cir_rx";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
+ r_rsb_pins: r_rsb {
+ allwinner,pins = "PN0", "PN1";
+ allwinner,function = "s_rsb";
+ allwinner,drive = <SUN4I_PINCTRL_20_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_PULL_UP>;
+ };
+ };
+
+ r_rsb: i2c@08003400 {
+ compatible = "allwinner,sun8i-a23-rsb";
+ reg = <0x08003400 0x400>;
+ interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&apbs_gates 3>;
+ clock-frequency = <3000000>;
+ resets = <&apbs_rst 3>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&r_rsb_pins>;
status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
};
};
};