arm: dra7: add DESHDCP clock

Add a new Linux clock for DRA7 based SoCs to control DESHDCP clock.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Tero Kristo <t-kristo@ti.com>

4 files changed, 17 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index f03a091cd076..387c76ca41f9 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -131,6 +131,11 @@
                                                         regulator-max-microvolt = <3000000>;
                                                 };
                                         };
+
+                                        scm_conf_clocks: clocks {
+                                                #address-cells = <1>;
+                                                #size-cells = <0>;
+                                        };
                                 };
 
                                 dra7_pmx_core: pinmux@1400 {
diff --git a/arch/arm/boot/dts/dra7xx-clocks.dtsi b/arch/arm/boot/dts/dra7xx-clocks.dtsi
index 3b933f74d000..470f39c4e326 100644
--- a/arch/arm/boot/dts/dra7xx-clocks.dtsi
+++ b/arch/arm/boot/dts/dra7xx-clocks.dtsi
@@ -2136,3 +2136,13 @@
                 clocks = <&dpll_usb_ck>;
         };
 };
+
+&scm_conf_clocks {
+        dss_deshdcp_clk: dss_deshdcp_clk {
+                #clock-cells = <0>;
+                compatible = "ti,gate-clock";
+                clocks = <&l3_iclk_div>;
+                ti,bit-shift = <0>;
+                reg = <0x558>;
+        };
+};
diff --git a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
index 0e64c2fac0b5..817dbd87ce67 100644
--- a/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_7xx_data.c
@@ -438,6 +438,7 @@ static struct omap_hwmod_opt_clk dss_opt_clks[] = {
         { .role = "video2_clk", .clk = "dss_video2_clk" },
         { .role = "video1_clk", .clk = "dss_video1_clk" },
         { .role = "hdmi_clk", .clk = "dss_hdmi_clk" },
+        { .role = "hdcp_clk", .clk = "dss_deshdcp_clk" },
 };
 
 static struct omap_hwmod dra7xx_dss_hwmod = {
diff --git a/drivers/clk/ti/clk-7xx.c b/drivers/clk/ti/clk-7xx.c
index 5d2217ae4478..2dd956b9affa 100644
--- a/drivers/clk/ti/clk-7xx.c
+++ b/drivers/clk/ti/clk-7xx.c
@@ -305,6 +305,7 @@ static struct ti_dt_clk dra7xx_clks[] = {
         DT_CLK("4882c000.timer", "timer_sys_ck", "timer_sys_clk_div"),
         DT_CLK("4882e000.timer", "timer_sys_ck", "timer_sys_clk_div"),
         DT_CLK(NULL, "sys_clkin", "sys_clkin1"),
+        DT_CLK(NULL, "dss_deshdcp_clk", "dss_deshdcp_clk"),
         { .node_name = NULL },
 };