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authorLokesh Vutla <lokeshvutla@ti.com>2018-07-10 14:05:30 +0300
committerTony Lindgren <tony@atomide.com>2018-07-10 14:05:30 +0300
commit6ae8d5c1a8ace610b2afc016b2ea5f5d9d774b71 (patch)
tree4f8eb4b0b149d0e753ba730f078018fc025475b4 /arch/arm/boot/dts/dra76x.dtsi
parent596e7955692b5d8b042fca500b7a83c25dfcf936 (diff)
downloadlinux-6ae8d5c1a8ace610b2afc016b2ea5f5d9d774b71.tar.xz
ARM: dts: dra762: Add MCAN clock support
MCAN is clocked by H14 divider of DPLL_GMAC. Unlike other DPLL dividers this DPLL_GMAC H14 divider is controlled by control module. Adding support for these clocks. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/boot/dts/dra76x.dtsi')
-rw-r--r--arch/arm/boot/dts/dra76x.dtsi33
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/dra76x.dtsi b/arch/arm/boot/dts/dra76x.dtsi
index 1c88c581ff18..bfc82636999c 100644
--- a/arch/arm/boot/dts/dra76x.dtsi
+++ b/arch/arm/boot/dts/dra76x.dtsi
@@ -17,3 +17,36 @@
&crossbar_mpu {
ti,irqs-skip = <10 67 68 133 139 140>;
};
+
+&scm_conf_clocks {
+ dpll_gmac_h14x2_ctrl_ck: dpll_gmac_h14x2_ctrl_ck@3fc {
+ #clock-cells = <0>;
+ compatible = "ti,divider-clock";
+ clocks = <&dpll_gmac_x2_ck>;
+ ti,max-div = <63>;
+ reg = <0x03fc>;
+ ti,bit-shift=<20>;
+ ti,latch-bit=<26>;
+ assigned-clocks = <&dpll_gmac_h14x2_ctrl_ck>;
+ assigned-clock-rates = <80000000>;
+ };
+
+ dpll_gmac_h14x2_ctrl_mux_ck: dpll_gmac_h14x2_ctrl_mux_ck@3fc {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&dpll_gmac_ck>, <&dpll_gmac_h14x2_ctrl_ck>;
+ reg = <0x3fc>;
+ ti,bit-shift = <29>;
+ ti,latch-bit=<26>;
+ assigned-clocks = <&dpll_gmac_h14x2_ctrl_mux_ck>;
+ assigned-clock-parents = <&dpll_gmac_h14x2_ctrl_ck>;
+ };
+
+ mcan_clk: mcan_clk@3fc {
+ #clock-cells = <0>;
+ compatible = "ti,gate-clock";
+ clocks = <&dpll_gmac_h14x2_ctrl_mux_ck>;
+ ti,bit-shift = <27>;
+ reg = <0x3fc>;
+ };
+};