The clocks on dm816x are a bit different from the other omap
variants. The clocks are sourced from a FAPLL (Flying Adder PLL)
unlike on other omaps. Other than that, it's a similar setup
to am33xx with extra muxes and dividers that can be defined
as existing component clocks.
Cc: Brian Hutchinson <b.hutchman@xxxxxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
Cc: Tero Kristo <t-kristo@xxxxxx>
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/boot/dts/dm816x-clocks.dtsi | 250 +++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/dm816x.dtsi | 1 +
2 files changed, 251 insertions(+)
create mode 100644 arch/arm/boot/dts/dm816x-clocks.dtsi
diff --git a/arch/arm/boot/dts/dm816x-clocks.dtsi b/arch/arm/boot/dts/dm816x-clocks.dtsi
new file mode 100644
index 0000000..50d9d33
--- /dev/null
+++ b/arch/arm/boot/dts/dm816x-clocks.dtsi
@@ -0,0 +1,250 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+&scrm {
+ main_fapll: main_fapll {
+ #clock-cells = <1>;
+ compatible = "ti,dm816-fapll-clock";
+ reg = <0x400 0x40>;
+ clocks = <&sys_clkin_ck &sys_clkin_ck>;
+ clock-indices = <1>, <2>, <3>, <4>, <5>,
+ <6>, <7>;
+ clock-output-names = "main_pll_clk1",
+ "main_pll_clk2",
+ "main_pll_clk3",
+ "main_pll_clk4",
+ "main_pll_clk5",
+ "main_pll_clk6",
+ "main_pll_clk7";
+ };
+
+ ddr_fapll: ddr_fapll {
+ #clock-cells = <1>;
+ compatible = "ti,dm816-fapll-clock";
+ reg = <0x440 0x30>;
+ clocks = <&sys_clkin_ck &sys_clkin_ck>;
+ clock-indices = <1>, <2>, <3>, <4>;
+ clock-output-names = "ddr_pll_clk1",
+ "ddr_pll_clk2",
+ "ddr_pll_clk3",
+ "ddr_pll_clk4";
+ };
+
+ video_fapll: video_fapll {
+ #clock-cells = <1>;
+ compatible = "ti,dm816-fapll-clock";
+ reg = <0x470 0x30>;
+ clocks = <&sys_clkin_ck &sys_clkin_ck>;
+ clock-indices = <1>, <2>, <3>;
+ clock-output-names = "video_pll_clk1",
+ "video_pll_clk2",
+ "video_pll_clk3";
+ };
+
+ audio_fapll: audio_fapll {
+ #clock-cells = <1>;
+ compatible = "ti,dm816-fapll-clock";
+ reg = <0x4a0 0x30>;
+ clocks = <&main_fapll 7>, < &sys_clkin_ck>;
+ clock-indices = <1>, <2>, <3>, <4>, <5>;
+ clock-output-names = "audio_pll_clk1",
+ "audio_pll_clk2",
+ "audio_pll_clk3",
+ "audio_pll_clk4",
+ "audio_pll_clk5";
+ };
+};
+
+&scrm_clocks {
+ secure_32k_ck: secure_32k_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ sys_32k_ck: sys_32k_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ tclkin_ck: tclkin_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
+ };
+
+ sys_clkin_ck: sys_clkin_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <27000000>;
+ };
+};
+
+/* 0x48180000 */
+&prcm_clocks {
+ clkout_pre_ck: clkout_pre_ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&main_fapll 5 &ddr_fapll 1 &video_fapll 1
+ &audio_fapll 1>;
+ reg = <0x100>;
+ };
+
+ clkout_div_ck: clkout_div_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&clkout_pre_ck>;
+ ti,bit-shift = <3>;
+ ti,max-div = <8>;
+ reg = <0x100>;
+ };
+
+ clkout_ck: clkout_ck {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+ clocks = <&clkout_div_ck>;
+ ti,bit-shift = <7>;
+ reg = <0x100>;
+ };
+
+ /* CM_DPLL clocks p1795 */
+ sysclk1_ck: sysclk1_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&main_fapll 1>;
+ ti,max-div = <7>;
+ reg = <0x0300>;
+ };
+
+ sysclk2_ck: sysclk2_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&main_fapll 2>;
+ ti,max-div = <7>;
+ reg = <0x0304>;
+ };
+
+ sysclk3_ck: sysclk3_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&main_fapll 3>;
+ ti,max-div = <7>;
+ reg = <0x0308>;
+ };
+
+ sysclk4_ck: sysclk4_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&main_fapll 4>;
+ ti,max-div = <1>;
+ reg = <0x030c>;
+ };
+
+ sysclk5_ck: sysclk5_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&sysclk4_ck>;
+ ti,max-div = <1>;
+ reg = <0x0310>;
+ };
+
+ sysclk6_ck: sysclk6_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&main_fapll 4>;
+ ti,dividers = <2>, <4>;
+ reg = <0x0314>;
+ };
+
+ sysclk10_ck: sysclk10_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&ddr_fapll 2>;
+ ti,max-div = <7>;
+ reg = <0x0324>;
+ };
+
+ sysclk24_ck: sysclk24_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&main_fapll 5>;
+ ti,max-div = <7>;
+ reg = <0x03b4>;
+ };
+
+ mpu_ck: mpu_ck {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+ clocks = <&sysclk2_ck>;
+ ti,bit-shift = <1>;
+ reg = <0x15dc>;
+ };
+
+ audio_pll_a_ck: audio_pll_a_ck {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&audio_fapll 1>;
+ ti,max-div = <7>;
+ reg = <0x035c>;
+ };
+
+ sysclk18_ck: sysclk18_ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&sys_32k_ck>, <&audio_pll_a_ck>;
+ reg = <0x0378>;
+ };
+
+ timer1_fck: timer1_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x0390>;
+ };
+
+ timer2_fck: timer2_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x0394>;
+ };
+
+ timer3_fck: timer3_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x0398>;
+ };
+
+ timer4_fck: timer4_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x039c>;
+ };
+
+ timer5_fck: timer5_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x03a0>;
+ };
+
+ timer6_fck: timer6_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x03a4>;
+ };
+
+ timer7_fck: timer7_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&tclkin_ck>, <&sysclk18_ck>, <&sys_clkin_ck>;
+ reg = <0x03a8>;
+ };
+};
diff --git a/arch/arm/boot/dts/dm816x.dtsi b/arch/arm/boot/dts/dm816x.dtsi
index 7d575ac..c1029db 100644
--- a/arch/arm/boot/dts/dm816x.dtsi
+++ b/arch/arm/boot/dts/dm816x.dtsi
@@ -372,3 +372,4 @@
};
};
+#include "dm816x-clocks.dtsi"
--
2.1.4
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