On Sun, Dec 12, 2021 at 07:46:06PM +0100, Krzysztof Kozlowski wrote:

On 10/12/2021 17:47, Thierry Reding wrote:

quoted

From: Thierry Reding <redacted>

Document the variant of the memory controller and external memory
controllers found on Tegra234 and add some memory client and SMMU
stream ID definitions for use in device tree files.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <redacted>
---
Changes in v2:
- conditionally set minItems for reg properties

 .../nvidia,tegra186-mc.yaml                   | 20 ++++++++++++
 include/dt-bindings/clock/tegra234-clock.h    |  9 ++++++
 include/dt-bindings/memory/tegra234-mc.h      | 32 +++++++++++++++++++
 3 files changed, 61 insertions(+)
 create mode 100644 include/dt-bindings/memory/tegra234-mc.h

(...)

quoted

 /** @brief output of mux controlled by CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC4 */

diff --git a/include/dt-bindings/memory/tegra234-mc.h b/include/dt-bindings/memory/tegra234-mc.h
new file mode 100644
index 000000000000..2662f70c15c6
--- /dev/null
+++ b/include/dt-bindings/memory/tegra234-mc.h

@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */
+
+#ifndef DT_BINDINGS_MEMORY_TEGRA234_MC_H
+#define DT_BINDINGS_MEMORY_TEGRA234_MC_H
+
+/* special clients */
+#define TEGRA234_SID_INVALID		0x00
+#define TEGRA234_SID_PASSTHROUGH	0x7f
+
+
+/* NISO1 stream IDs */
+#define TEGRA234_SID_SDMMC4	0x02
+#define TEGRA234_SID_BPMP	0x10
+
+/*
+ * memory client IDs
+ */
+
+/* sdmmcd memory read client */
+#define TEGRA234_MEMORY_CLIENT_SDMMCRAB 0x63
+/* sdmmcd memory write client */
+#define TEGRA234_MEMORY_CLIENT_SDMMCWAB 0x67
+/* BPMP read client */
+#define TEGRA234_MEMORY_CLIENT_BPMPR 0x93
+/* BPMP write client */
+#define TEGRA234_MEMORY_CLIENT_BPMPW 0x94
+/* BPMPDMA read client */
+#define TEGRA234_MEMORY_CLIENT_BPMPDMAR 0x95
+/* BPMPDMA write client */
+#define TEGRA234_MEMORY_CLIENT_BPMPDMAW 0x96
+

This header is needed by the driver and DTS patches. One of us can apply
it and provide to the other via stable-tag. I think Arnd and Olof prefer
if headers are coming with DTS and are provided to other trees, so maybe
you will take the bindings and provide a tag for me for the driver?

Yeah, once you're happy with the series (I've just sent out an updated
v3) I can apply this to the Tegra tree and send you a stable tag to pull
into your tree.

Thierry