[PATCHv6 28/34] ARM: dts: am4372: add minimal l4 bus layout with control module support
Tero Kristo
t-kristo at ti.com
Tue Mar 31 12:14:21 PDT 2015
This patch creates an l4_wkup interconnect for AM43xx, and moves some of
the generic peripherals under it. System control module nodes are moved
under this new interconnect also, and the SCM clock layout is changed
to use the renamed SCM nodea as the clock provider.
Signed-off-by: Tero Kristo <t-kristo at ti.com>
---
Documentation/devicetree/bindings/arm/omap/l4.txt | 1 +
.../devicetree/bindings/arm/omap/prcm.txt | 2 +-
arch/arm/boot/dts/am4372.dtsi | 85 +++++++++++---------
arch/arm/boot/dts/am43xx-clocks.dtsi | 2 +-
arch/arm/mach-omap2/control.c | 2 +-
5 files changed, 53 insertions(+), 39 deletions(-)
diff --git a/Documentation/devicetree/bindings/arm/omap/l4.txt b/Documentation/devicetree/bindings/arm/omap/l4.txt
index d333f0a..941b914 100644
--- a/Documentation/devicetree/bindings/arm/omap/l4.txt
+++ b/Documentation/devicetree/bindings/arm/omap/l4.txt
@@ -7,6 +7,7 @@ Required properties:
Should be "ti,omap2-l4-wkup" for OMAP2 family l4 wkup bus
Should be "ti,omap3-l4-core" for OMAP3 family l4 core bus
Should be "ti,am3-l4-wkup" for AM33xx family l4 wkup bus
+ Should be "ti,am4-l4-wkup" for AM43xx family l4 wkup bus
- ranges : contains the IO map range for the bus
Examples:
diff --git a/Documentation/devicetree/bindings/arm/omap/prcm.txt b/Documentation/devicetree/bindings/arm/omap/prcm.txt
index c8e2027..8af4f32 100644
--- a/Documentation/devicetree/bindings/arm/omap/prcm.txt
+++ b/Documentation/devicetree/bindings/arm/omap/prcm.txt
@@ -12,7 +12,7 @@ Required properties:
"ti,am3-prcm"
"ti,am3-scm"
"ti,am4-prcm"
- "ti,am4-scrm"
+ "ti,am4-scm"
"ti,omap2-prcm"
"ti,omap2-scm"
"ti,omap3-prm"
diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index 1943fc3..f8a02a2 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -57,22 +57,6 @@
cache-level = <2>;
};
- am43xx_control_module: control_module at 4a002000 {
- compatible = "syscon";
- reg = <0x44e10000 0x7f4>;
- };
-
- am43xx_pinmux: pinmux at 44e10800 {
- compatible = "ti,am437-padconf", "pinctrl-single";
- reg = <0x44e10800 0x31c>;
- #address-cells = <1>;
- #size-cells = <0>;
- #interrupt-cells = <1>;
- interrupt-controller;
- pinctrl-single,register-width = <32>;
- pinctrl-single,function-mask = <0xffffffff>;
- };
-
ocp {
compatible = "ti,am4372-l3-noc", "simple-bus";
#address-cells = <1>;
@@ -84,29 +68,58 @@
interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
- prcm: prcm at 44df0000 {
- compatible = "ti,am4-prcm";
- reg = <0x44df0000 0x11000>;
-
- prcm_clocks: clocks {
- #address-cells = <1>;
- #size-cells = <0>;
- };
+ l4_wkup: l4_wkup at 44c00000 {
+ compatible = "ti,am4-l4-wkup", "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x44c00000 0x287000>;
- prcm_clockdomains: clockdomains {
- };
- };
+ prcm: prcm at 1f0000 {
+ compatible = "ti,am4-prcm";
+ reg = <0x1f0000 0x11000>;
- scrm: scrm at 44e10000 {
- compatible = "ti,am4-scrm";
- reg = <0x44e10000 0x2000>;
+ prcm_clocks: clocks {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
- scrm_clocks: clocks {
- #address-cells = <1>;
- #size-cells = <0>;
+ prcm_clockdomains: clockdomains {
+ };
};
- scrm_clockdomains: clockdomains {
+ scm: scm at 210000 {
+ compatible = "ti,am4-scm", "simple-bus";
+ reg = <0x210000 0x4000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x210000 0x4000>;
+
+ am43xx_pinmux: pinmux at 800 {
+ compatible = "ti,am437-padconf",
+ "pinctrl-single";
+ reg = <0x800 0x31c>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ pinctrl-single,register-width = <32>;
+ pinctrl-single,function-mask = <0xffffffff>;
+ };
+
+ scm_conf: scm_conf at 0 {
+ compatible = "syscon";
+ reg = <0x0 0x800>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ scm_clocks: clocks {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+ };
+
+ scm_clockdomains: clockdomains {
+ };
};
};
@@ -933,7 +946,7 @@
clocks = <&dcan0_fck>;
clock-names = "fck";
reg = <0x481cc000 0x2000>;
- syscon-raminit = <&am43xx_control_module 0x644 0>;
+ syscon-raminit = <&scm_conf 0x644 0>;
interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
@@ -944,7 +957,7 @@
clocks = <&dcan1_fck>;
clock-names = "fck";
reg = <0x481d0000 0x2000>;
- syscon-raminit = <&am43xx_control_module 0x644 1>;
+ syscon-raminit = <&scm_conf 0x644 1>;
interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index c7dc9da..44869aa 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -7,7 +7,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-&scrm_clocks {
+&scm_clocks {
sys_clkin_ck: sys_clkin_ck {
#clock-cells = <0>;
compatible = "ti,mux-clock";
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index 477e2c8..4047784 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/arch/arm/mach-omap2/control.c
@@ -668,7 +668,7 @@ static const struct control_init_data omap2_ctrl_data = {
static const struct of_device_id omap_scrm_dt_match_table[] = {
{ .compatible = "ti,am3-scm", .data = &ctrl_data },
- { .compatible = "ti,am4-scrm", .data = &ctrl_data },
+ { .compatible = "ti,am4-scm", .data = &ctrl_data },
{ .compatible = "ti,omap2-scm", .data = &omap2_ctrl_data },
{ .compatible = "ti,omap3-scm", .data = &omap2_ctrl_data },
{ .compatible = "ti,dm816-scrm", .data = &ctrl_data },
--
1.7.9.5
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