[RFC PATCH v1 1/2] ARM: dts: AM43xx-clocks: Entries added for ti-usim

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Clock  entries support for TI's USIM - Smart card controller of AM43xx platform
USIM controller has multiple sources for debounce and functional clock.Entry
for each source has been added.

Signed-off-by: Satish Patel <satish.patel@xxxxxx>
---
 arch/arm/boot/dts/am43xx-clocks.dtsi |   34 ++++++++++++++++++++++++++++++++++
 drivers/clk/ti/clk-43xx.c            |    4 ++++
 2 files changed, 38 insertions(+), 0 deletions(-)

diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index c127e7b..7ccfa75 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -420,6 +420,40 @@ wdt1_fck: wdt1_fck@44df422c {
 	bit-mask = <0x1>;
 };
 
+usim0_fck: usim0_fck@44df4254 {
+	#clock-cells = <0>;
+	compatible = "mux-clock";
+	clocks = <&sys_clkin_ck>, <&dpll_core_m4_ck>;
+	reg = <0x44df4254 0x4>;
+	bit-mask = <0x1>;
+};
+
+usim_dbck: usim_dbck@44df425c {
+	#clock-cells = <0>;
+	compatible = "mux-clock";
+	clocks = <&clk_rc32k_ck>, <&clk_32k_mosc_ck>, <&clkdiv32k_ick>;
+	reg = <0x44df425c 0x4>;
+	bit-mask = <0x3>;
+};
+
+usim0_opt_fck: usim0_opt_fck@44df8da8 {
+	#clock-cells = <0>;
+	compatible = "gate-clock";
+	clocks = <&usim0_fck>;
+	reg = <0x44df8da8 0x4>;
+	bit-shift = <8>;
+	bit-mask = <0x1>;
+};
+
+usim0_opt_fck32: usim0_opt_fck32@44df8da8 {
+	#clock-cells = <0>;
+	compatible = "gate-clock";
+	clocks = <&usim_dbck>;
+	bit-shift = <9>;
+	bit-mask = <0x1>;
+	reg = <0x44df8da8 0x4>;
+};
+
 l3_gclk: l3_gclk {
 	#clock-cells = <0>;
 	compatible = "fixed-factor-clock";
diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c
index ff3ad1b..8ed05f2 100644
--- a/drivers/clk/ti/clk-43xx.c
+++ b/drivers/clk/ti/clk-43xx.c
@@ -66,6 +66,10 @@ static struct omap_dt_clk am43xx_clks[] = {
 	DT_CLK(NULL, "timer6_fck", "timer6_fck"),
 	DT_CLK(NULL, "timer7_fck", "timer7_fck"),
 	DT_CLK(NULL, "wdt1_fck", "wdt1_fck"),
+	DT_CLK(NULL, "usim0_fck", "usim0_fck"),
+	DT_CLK(NULL, "usim_dbck", "usim_dbck"),
+	DT_CLK(NULL, "usim0_opt_fck", "usim0_opt_fck"),
+	DT_CLK(NULL, "usim0_opt_fck32", "usim0_opt_fck32"),
 	DT_CLK(NULL, "l3_gclk", "l3_gclk"),
 	DT_CLK(NULL, "dpll_core_m4_div2_ck", "dpll_core_m4_div2_ck"),
 	DT_CLK(NULL, "l4hs_gclk", "l4hs_gclk"),
-- 
1.7.1

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