diff mbox

[2/3] ARM: dts: dra762: Add MCAN clock support

Message ID 1523181542-3770-3-git-send-email-faiz_abbas@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Faiz Abbas April 8, 2018, 9:59 a.m. UTC
From: Lokesh Vutla <lokeshvutla@ti.com>

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>
---
 arch/arm/boot/dts/dra76x.dtsi | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

Comments

Tony Lindgren May 15, 2018, 5:16 p.m. UTC | #1
* Faiz Abbas <faiz_abbas@ti.com> [180408 09:59]:
> From: Lokesh Vutla <lokeshvutla@ti.com>
> 
> 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.

Adding Tero to Cc on this one.

> Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
> Signed-off-by: Faiz Abbas <faiz_abbas@ti.com>
> ---
>  arch/arm/boot/dts/dra76x.dtsi | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/dra76x.dtsi b/arch/arm/boot/dts/dra76x.dtsi
> index 1c88c58..bfc8263 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>;
> +	};
> +};
> -- 
> 2.7.4
> 
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diff mbox

Patch

diff --git a/arch/arm/boot/dts/dra76x.dtsi b/arch/arm/boot/dts/dra76x.dtsi
index 1c88c58..bfc8263 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>;
+	};
+};