diff mbox series

[v5,9/9] riscv: Update SiFive device tree for new CLINT driver

Message ID 20200915141724.503929-10-seanga2@gmail.com
State Superseded
Delegated to: Andes
Headers show
Series riscv: Clean up timer drivers | expand

Commit Message

Sean Anderson Sept. 15, 2020, 2:17 p.m. UTC
We currently do this in a u-boot specific dts, but hopefully we can get
these bindings added in Linux in the future.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
Reviewed-by: Pragnesh Patel <pragnesh.patel@openfive.com>
Reviewed-by: Bin Meng <bin.meng@windriver.com>
---
This patch builds but has NOT been tested.

(no changes since v2)

Changes in v2:
- Fix SiFive CLINT not getting tick-rate from rtcclk

 arch/riscv/dts/fu540-c000-u-boot.dtsi           | 8 ++++++--
 arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi | 4 ++++
 2 files changed, 10 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/riscv/dts/fu540-c000-u-boot.dtsi b/arch/riscv/dts/fu540-c000-u-boot.dtsi
index 5302677ee4..a06e1b11c6 100644
--- a/arch/riscv/dts/fu540-c000-u-boot.dtsi
+++ b/arch/riscv/dts/fu540-c000-u-boot.dtsi
@@ -55,9 +55,13 @@ 
 			reg = <0x0 0x10070000 0x0 0x1000>;
 			fuse-count = <0x1000>;
 		};
-		clint@2000000 {
+		clint: clint@2000000 {
 			compatible = "riscv,clint0";
-			interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7 &cpu1_intc 3 &cpu1_intc 7 &cpu2_intc 3 &cpu2_intc 7 &cpu3_intc 3 &cpu3_intc 7 &cpu4_intc 3 &cpu4_intc 7>;
+			interrupts-extended = <&cpu0_intc 3 &cpu0_intc 7
+					       &cpu1_intc 3 &cpu1_intc 7
+					       &cpu2_intc 3 &cpu2_intc 7
+					       &cpu3_intc 3 &cpu3_intc 7
+					       &cpu4_intc 3 &cpu4_intc 7>;
 			reg = <0x0 0x2000000 0x0 0xc0000>;
 			u-boot,dm-spl;
 		};
diff --git a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
index 5d0c928b29..1996149c95 100644
--- a/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
+++ b/arch/riscv/dts/hifive-unleashed-a00-u-boot.dtsi
@@ -34,6 +34,10 @@ 
 
 };
 
+&clint {
+	clocks = <&rtcclk>;
+};
+
 &qspi0 {
 	u-boot,dm-spl;