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Subject[PATCH V4 10/10] arm64: dts: qcom: Enable Q6v5 WCSS for ipq8074 SoC
Date
Enable remoteproc WCSS PIL driver with glink
and ssr subdevices. Also configures shared memory
and enables smp2p and mailboxes required for IPC.

Signed-off-by: Gokul Sriram Palanisamy <gokulsri@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
Signed-off-by: Nikhil Prakash V <nprakash@codeaurora.org>
---
changes since v3:
- Added release_firmware to free up memory requested for m3 firmware.
changes since v2:
- Removed syscon implementation to use mailbox framework to access APCS IPC
Changes since v1:
- Addressed minor review comments.
---
arch/arm64/boot/dts/qcom/ipq8074.dtsi | 121 ++++++++++++++++++++++++++++++++++
1 file changed, 121 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 6a61a63..da66533 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -10,12 +10,66 @@
model = "Qualcomm Technologies, Inc. IPQ8074";
compatible = "qcom,ipq8074";

+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ smem_region: memory@4ab00000 {
+ no-map;
+ reg = <0x0 0x4ab00000 0x0 0x00100000>;
+ };
+
+ q6_region: memory@4b000000 {
+ no-map;
+ reg = <0x0 0x4b000000 0x0 0x05f00000>;
+ };
+ };
+
firmware {
scm {
compatible = "qcom,scm-ipq8074", "qcom,scm";
};
};

+ tcsr_mutex: hwlock@193d000 {
+ compatible = "qcom,tcsr-mutex";
+ syscon = <&tcsr_mutex_regs 0 0x80>;
+ #hwlock-cells = <1>;
+ };
+
+ smem {
+ compatible = "qcom,smem";
+ memory-region = <&smem_region>;
+ hwlocks = <&tcsr_mutex 0>;
+ };
+
+ wcss: smp2p-wcss {
+ compatible = "qcom,smp2p";
+ qcom,smem = <435>, <428>;
+
+ interrupt-parent = <&intc>;
+ interrupts = <0 322 1>;
+
+ mboxes = <&apcs_glb 9>;
+
+ qcom,local-pid = <0>;
+ qcom,remote-pid = <1>;
+
+ wcss_smp2p_out: master-kernel {
+ qcom,entry-name = "master-kernel";
+ qcom,smp2p-feature-ssr-ack;
+ #qcom,smem-state-cells = <1>;
+ };
+
+ wcss_smp2p_in: slave-kernel {
+ qcom,entry-name = "slave-kernel";
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+ };
+
soc: soc {
#address-cells = <0x1>;
#size-cells = <0x1>;
@@ -431,6 +485,73 @@
"axi_m_sticky";
status = "disabled";
};
+
+ tcsr_q6: syscon@1945000 {
+ compatible = "syscon";
+ reg = <0x01945000 0xe000>;
+ };
+
+ tcsr_mutex_regs: syscon@193d000 {
+ compatible = "syscon";
+ reg = <0x01905000 0x8000>;
+ };
+
+ apcs_glb: mailbox@b111000 {
+ compatible = "qcom,ipq8074-apcs-apps-global";
+ reg = <0x0b111000 0x1000>;
+
+ #mbox-cells = <1>;
+ };
+
+ q6v5_wcss: q6v5_wcss@cd00000 {
+ compatible = "qcom,ipq8074-wcss-pil";
+ reg = <0x0cd00000 0x4040>,
+ <0x004ab000 0x20>;
+ reg-names = "qdsp6",
+ "rmb";
+ qca,auto-restart;
+ qca,extended-intc;
+ interrupts-extended = <&intc 0 325 1>,
+ <&wcss_smp2p_in 0 0>,
+ <&wcss_smp2p_in 1 0>,
+ <&wcss_smp2p_in 2 0>,
+ <&wcss_smp2p_in 3 0>;
+ interrupt-names = "wdog",
+ "fatal",
+ "ready",
+ "handover",
+ "stop-ack";
+
+ resets = <&gcc GCC_WCSSAON_RESET>,
+ <&gcc GCC_WCSS_BCR>,
+ <&gcc GCC_WCSS_Q6_BCR>;
+
+ reset-names = "wcss_aon_reset",
+ "wcss_reset",
+ "wcss_q6_reset";
+
+ clocks = <&gcc GCC_PRNG_AHB_CLK>;
+ clock-names = "prng";
+
+ qcom,halt-regs = <&tcsr_q6 0xa000 0xd000 0x0>;
+
+ qcom,smem-states = <&wcss_smp2p_out 0>,
+ <&wcss_smp2p_out 1>;
+ qcom,smem-state-names = "shutdown",
+ "stop";
+
+ memory-region = <&q6_region>;
+
+ glink-edge {
+ interrupts = <GIC_SPI 321 IRQ_TYPE_EDGE_RISING>;
+ qcom,remote-pid = <1>;
+ mboxes = <&apcs_glb 8>;
+
+ rpm_requests {
+ qcom,glink-channels = "IPCRTR";
+ };
+ };
+ };
};

cpus {
--
1.9.1
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