[PATCH 3/4] dt-bindings: mmc: add brcmstb share register and hwlocks reference
Kamal Dasu
kamal.dasu at broadcom.com
Fri Jul 11 08:42:20 PDT 2025
From: Kamal Dasu <kdasu at broadcom.com>
Adding optional controller share registers and hwspinlock reference fields
to be used by sdhci-brcmstb driver.
Signed-off-by: Kamal Dasu <kamal.dasu at broadcom.com>
---
.../bindings/mmc/brcm,sdhci-brcmstb.yaml | 29 +++++++++++++++++--
1 file changed, 27 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
index eee6be7a7867..fe9be7a7eca5 100644
--- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
+++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
@@ -27,15 +27,20 @@ properties:
- const: brcm,sdhci-brcmstb
reg:
- maxItems: 2
+ minItems: 2
+ maxItems: 4
reg-names:
+ minItems: 2
items:
- const: host
- const: cfg
+ - const: share # Optional reg
+ - const: flshr_ipis0 # Optional reg
interrupts:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
clocks:
minItems: 1
@@ -60,6 +65,9 @@ properties:
type: boolean
description: Specifies that controller should use auto CMD12
+ hwlocks:
+ maxItems: 1
+
allOf:
- $ref: mmc-controller.yaml#
- if:
@@ -115,3 +123,20 @@ examples:
clocks = <&scmi_clk 245>;
clock-names = "sw_sdio";
};
+ - |
+ mmc at 84b1000 {
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ no-sd;
+ no-sdio;
+ non-removable;
+ bus-width = <0x8>;
+ compatible = "brcm,bcm74165b0-sdhci", "brcm,sdhci-brcmstb";
+ reg = <0x84b1000 0x260>, <0x84b1300 0x200>, <0x84b1600 0x10>, <0x84a5404 0x4>;
+ reg-names = "host", "cfg", "share", "flshr_ipis0";
+ hwlocks = <&hw_lock 0x0>;
+ interrupts = <0x1 0x0 0x1f 0x4 0x1b 0x11>;
+ clocks = <&scmi_clk 245>;
+ clock-names = "sw_sdio";
+ };
--
2.34.1
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