[PATCH] arm: dts: am43x-clock: add tbclk data for ehrpwm.

[Sourav Poddar]

We need "tblclk" clock data for the functioning of ehrpwm
module. Hence, populating the required clock information
in clock dts file.

Signed-off-by: Sourav Poddar <sourav.poddar at ti.com>
---
 arch/arm/boot/dts/am43xx-clocks.dtsi |   84 ++++++++++++++++++++++++++++++++++
 drivers/clk/ti/clk-43xx.c            |    6 +++
 2 files changed, 90 insertions(+)

diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index 142009c..869f9a5 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -87,6 +87,90 @@
 		clock-mult = <1>;
 		clock-div = <1>;
 	};
+
+	ehrpwm0_gate_tbclk: ehrpwm0_gate_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-no-wait-gate-clock";
+		clocks = <&dpll_per_m2_ck>;
+		ti,bit-shift = <0>;
+		reg = <0x0664>;
+	};
+
+	ehrpwm0_tbclk: ehrpwm0_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-clock";
+		clocks = <&ehrpwm0_gate_tbclk>;
+	};
+
+	ehrpwm1_gate_tbclk: ehrpwm1_gate_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-no-wait-gate-clock";
+		clocks = <&dpll_per_m2_ck>;
+		ti,bit-shift = <1>;
+		reg = <0x0664>;
+	};
+
+	ehrpwm1_tbclk: ehrpwm1_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-clock";
+		clocks = <&ehrpwm1_gate_tbclk>;
+	};
+
+	ehrpwm2_gate_tbclk: ehrpwm2_gate_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-no-wait-gate-clock";
+		clocks = <&dpll_per_m2_ck>;
+		ti,bit-shift = <2>;
+		reg = <0x0664>;
+	};
+
+	ehrpwm2_tbclk: ehrpwm2_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-clock";
+		clocks = <&ehrpwm2_gate_tbclk>;
+	};
+
+	ehrpwm3_gate_tbclk: ehrpwm3_gate_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-no-wait-gate-clock";
+		clocks = <&dpll_per_m2_ck>;
+		ti,bit-shift = <2>;
+		reg = <0x0664>;
+	};
+
+	ehrpwm3_tbclk: ehrpwm3_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-clock";
+		clocks = <&ehrpwm3_gate_tbclk>;
+	};
+
+	ehrpwm4_gate_tbclk: ehrpwm4_gate_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-no-wait-gate-clock";
+		clocks = <&dpll_per_m2_ck>;
+		ti,bit-shift = <2>;
+		reg = <0x0664>;
+	};
+
+	ehrpwm4_tbclk: ehrpwm4_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-clock";
+		clocks = <&ehrpwm4_gate_tbclk>;
+	};
+
+	ehrpwm5_gate_tbclk: ehrpwm5_gate_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-no-wait-gate-clock";
+		clocks = <&dpll_per_m2_ck>;
+		ti,bit-shift = <2>;
+		reg = <0x0664>;
+	};
+
+	ehrpwm5_tbclk: ehrpwm5_tbclk {
+		#clock-cells = <0>;
+		compatible = "ti,composite-clock";
+		clocks = <&ehrpwm5_gate_tbclk>;
+	};
 };
 &prcm_clocks {
 	clk_32768_ck: clk_32768_ck {
diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c
index 67c8de5..5413a6a 100644
--- a/drivers/clk/ti/clk-43xx.c
+++ b/drivers/clk/ti/clk-43xx.c
@@ -105,6 +105,12 @@ static struct ti_dt_clk am43xx_clks[] = {
 	DT_CLK(NULL, "func_12m_clk", "func_12m_clk"),
 	DT_CLK(NULL, "vtp_clk_div", "vtp_clk_div"),
 	DT_CLK(NULL, "usbphy_32khz_clkmux", "usbphy_32khz_clkmux"),
+	DT_CLK("48300200.ehrpwm", "tbclk", "ehrpwm0_tbclk"),
+	DT_CLK("48302200.ehrpwm", "tbclk", "ehrpwm1_tbclk"),
+	DT_CLK("48304200.ehrpwm", "tbclk", "ehrpwm2_tbclk"),
+	DT_CLK("48306200.ehrpwm", "tbclk", "ehrpwm0_tbclk"),
+	DT_CLK("48308200.ehrpwm", "tbclk", "ehrpwm1_tbclk"),
+	DT_CLK("4830a200.ehrpwm", "tbclk", "ehrpwm2_tbclk"),
 	{ .node_name = NULL },
 };
 
-- 
1.7.9.5