From: Kamal Dasu <kdasu@xxxxxxxxxxxx>
Introduce emmc flash sharing support using hardware semaphore
and SDIO share register to synchronize between TZOS and linux.
Signed-off-by: Kamal Dasu <kdasu@xxxxxxxxxxxx>
---
.../bindings/mmc/brcm,sdhci-brcmstb.yaml | 16 +++++++++++++---
1 file changed, 13 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
index eee6be7a7867..b0ee39aeccb1 100644
--- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
+++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
@@ -27,15 +27,23 @@ properties:
- const: brcm,sdhci-brcmstb
reg:
- maxItems: 2
+ minItems: 2
reg-names:
items:
- const: host
- const: cfg
+ - const: share # Optional reg
+ - const: mmc_sem # Optional reg
+ - const: flshr_ipis0 # Optional reg
interrupts:
- maxItems: 1
+ minItems: 1
+
+ interrupt-names:
+ items:
+ - const: SDIO1_0
+ - const: recv_ipi0 # Optional interrupt
clocks:
minItems: 1
@@ -76,6 +84,7 @@ required:
- compatible
- reg
- interrupts
+ - interrupt-names
- clocks
- clock-names
@@ -111,7 +120,8 @@ examples:
supports-cqe;
non-removable;
bus-width = <0x8>;
- interrupts = <0x0 0x27 0x4>;
+ interrupts-extended = <0x1 0x0 0x1f 0x4 0x18 0x11>;
+ interrupt-names = "SDIO1_0", "recv_ipi0";
clocks = <&scmi_clk 245>;
clock-names = "sw_sdio";
};
--
2.17.1
