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54 lines
1.7 KiB
Diff
54 lines
1.7 KiB
Diff
From f6ed24cab8bd7f47bb1182384e94aba25cdb7468 Mon Sep 17 00:00:00 2001
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From: Adrien RICCIARDI <RICCIARDI-Adrien@users.noreply.github.com>
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Date: Fri, 22 Mar 2019 11:35:30 +0100
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Subject: [PATCH 385/432] overlays: sdio: Added 4-bit support on GPIOs 34-39.
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(#2903)
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---
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arch/arm/boot/dts/overlays/README | 3 +++
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arch/arm/boot/dts/overlays/sdio-overlay.dts | 9 +++++++++
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2 files changed, 12 insertions(+)
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diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
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index 622eb1a6c34f..3b7ec47ecf39 100644
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -1785,6 +1785,9 @@ Params: sdio_overclock SDIO Clock (in MHz) to use when the MMC
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gpios_34_37 Select GPIOs 34-37 for 1-bit mode. Must be used
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with bus_width=1.
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+ gpios_34_39 Select GPIOs 34-39 for 4-bit mode. Must be used
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+ with bus_width=4 (the default).
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+
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Name: sdio-1bit
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Info: This overlay is now deprecated. Use
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diff --git a/arch/arm/boot/dts/overlays/sdio-overlay.dts b/arch/arm/boot/dts/overlays/sdio-overlay.dts
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index 06dce154a058..f7bc0815f53a 100644
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--- a/arch/arm/boot/dts/overlays/sdio-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
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@@ -64,6 +64,14 @@
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};
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};
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+ fragment@5 {
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+ target = <&sdio_ovl_pins>;
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+ __dormant__ {
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+ brcm,pins = <34 35 36 37 38 39>;
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+ brcm,pull = <0 2 2 2 2 2>;
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+ };
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+ };
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+
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fragment@6 {
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target-path = "/aliases";
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__overlay__ {
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@@ -77,5 +85,6 @@
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sdio_overclock = <&sdio_ovl>,"brcm,overclock-50:0";
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gpios_22_25 = <0>,"=3";
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gpios_34_37 = <0>,"=4";
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+ gpios_34_39 = <0>,"=5";
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};
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};
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--
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2.19.1
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