On 11/19/13 22:05, Naveen Krishna Chatradhi wrote:
Exynos5420 SoC has per core thermal management unit.
5 TMU channels 4 for CPUs and 5th for GPU.
This patch adds the device tree nodes to the DT device list.
Nodes carry the misplaced second base address and the second
clock to access the misplaced base address.
Signed-off-by: Leela Krishna Amudala<l.krishna@xxxxxxxxxxx>
Signed-off-by: Naveen Krishna Chatradhi<ch.naveen@xxxxxxxxxxx>
Signed-off-by: Andrew Bresticker<abrestic@xxxxxxxxxxxx>
---
Changes since v3:
None, Just respinning
Changes since v2:
3. uses the new compatible strings introduced along with adding
support for Exynso5420.
Changes since v1:
1. Nodes carry the misplaced second base address and the second
clock to access the misplaced base address.
2. Correct the clock number for the TMU4
arch/arm/boot/dts/exynos5420.dtsi | 48 +++++++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index 6ffefd1..d736b40 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -369,4 +369,52 @@
clock-names = "gscl";
samsung,power-domain =<&gsc_pd>;
};
+
+ /* tmu for CPU0 */
+ tmu@10060000 {
+ compatible = "samsung,exynos5420-tmu";
+ reg =<0x10060000 0x100>;
+ interrupts =<0 65 0>;
+ clocks =<&clock 318>;
+ clock-names = "tmu_apbif";
+ };
+
+ /* tmu for CPU1 */
+ tmu@10064000 {
+ compatible = "samsung,exynos5420-tmu";
+ reg =<0x10064000 0x100>;
+ interrupts =<0 183 0>;
+ clocks =<&clock 318>;
+ clock-names = "tmu_apbif";
+ };
+
+ /* tmu for CPU2 */
+ tmu@10068000 {
+ compatible = "samsung,exynos5420-tmu-triminfo";
+ /* 2nd reg is for the misplaced TRIMINFO register */
+ reg =<0x10068000 0x100>,<0x1006c000 0x4>;
+ interrupts =<0 184 0>;
+ clocks =<&clock 318>;
+ clock-names = "tmu_apbif";
+ };
+
+ /* tmu for CPU3 */
+ tmu@1006c000 {
+ compatible = "samsung,exynos5420-tmu-triminfo-clk";
+ /* 2nd reg is for the misplaced TRIMINFO register */
+ reg =<0x1006c000 0x100>,<0x100a0000 0x4>;
+ interrupts =<0 185 0>;
+ clocks =<&clock 318>,<&clock 319>;
+ clock-names = "tmu_apbif", "tmu_apbif_triminfo";
+ };
+
+ /* tmu for GPU */
+ tmu@100a0000 {
+ compatible = "samsung,exynos5420-tmu-triminfo-clk";
+ /* 2nd reg is for the misplaced TRIMINFO register */
+ reg =<0x100a0000 0x100>,<0x10068000 0x4>;
+ interrupts =<0 215 0>;
+ clocks =<&clock 319>,<&clock 318>;
+ clock-names = "tmu_apbif", "tmu_apbif_triminfo";
+ };
};
BTW, there is just only this patch to support TMU on exynos5420?
- Kukjin
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