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Date: Sun, 14 Apr 2024 00:14:24 +0200
From: Andrea della Porta <andrea.porta@...e.com>
To: Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Florian Fainelli <florian.fainelli@...adcom.com>,
Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
Linus Walleij <linus.walleij@...aro.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Kamal Dasu <kamal.dasu@...adcom.com>,
Al Cooper <alcooperx@...il.com>,
della Porta <andrea.porta@...e.com>,
linux-mmc@...r.kernel.org,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org,
Jonathan Bell <jonathan@...pberrypi.com>,
Phil Elwell <phil@...pberrypi.com>
Subject: [PATCH 2/6] dt-bindings: mmc: Add support for BCM2712 SD host controller
Signed-off-by: Andrea della Porta <andrea.porta@...e.com>
---
.../bindings/mmc/brcm,sdhci-brcmstb.yaml | 51 ++++++++++++++++++-
1 file changed, 50 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
index cbd3d6c6c77f..6aa137d78e4f 100644
--- a/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
+++ b/Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.yaml
@@ -13,6 +13,7 @@ maintainers:
properties:
compatible:
oneOf:
+ - const: brcm,bcm2712-sdhci
- items:
- enum:
- brcm,bcm7216-sdhci
@@ -26,12 +27,16 @@ properties:
- const: brcm,sdhci-brcmstb
reg:
- maxItems: 2
+ minItems: 2
+ maxItems: 4
reg-names:
+ minItems: 2
items:
- const: host
- const: cfg
+ - const: busisol
+ - const: lcpll
interrupts:
maxItems: 1
@@ -60,6 +65,7 @@ properties:
description: Specifies that controller should use auto CMD12
allOf:
+ - $ref: sdhci-common.yaml
- $ref: mmc-controller.yaml#
- if:
properties:
@@ -71,6 +77,28 @@ allOf:
required:
- clock-frequency
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: brcm,bcm2712-sdhci
+
+ then:
+ properties:
+ reg:
+ maxItems: 4
+ clock-names:
+ const: "sw_sdio"
+
+ else:
+ properties:
+ reg:
+ minItems: 2
+ maxItems: 2
+ reg-names:
+ minItems: 2
+ maxItems: 2
+
required:
- compatible
- reg
@@ -114,3 +142,24 @@ examples:
clocks = <&scmi_clk 245>;
clock-names = "sw_sdio";
};
+
+ - |
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ mmc@...000 {
+ compatible = "brcm,bcm2712-sdhci";
+ reg = <0x10 0x00fff000 0x0 0x260>,
+ <0x10 0x00fff400 0x0 0x200>,
+ <0x10 0x015040b0 0x0 0x4>, // Bus isolation control
+ <0x10 0x015200f0 0x0 0x24>; // LCPLL control misc0-8
+ reg-names = "host", "cfg", "busisol", "lcpll";
+ interrupts = <0x0 0x111 0x4>;
+ clocks = <&clk_emmc2>;
+ sdhci-caps-mask = <0x0000C000 0x0>;
+ sdhci-caps = <0x0 0x0>;
+ mmc-ddr-3_3v;
+ clock-names = "sw_sdio";
+ };
+ };
--
2.35.3
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