diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0123-BCM270X_DT-Add-the-sdtweak-overlay-for-tuning-sdhost.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0123-BCM270X_DT-Add-the-sdtweak-overlay-for-tuning-sdhost.patch | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0123-BCM270X_DT-Add-the-sdtweak-overlay-for-tuning-sdhost.patch b/target/linux/brcm2708/patches-4.4/0123-BCM270X_DT-Add-the-sdtweak-overlay-for-tuning-sdhost.patch deleted file mode 100644 index e2ad5225b1..0000000000 --- a/target/linux/brcm2708/patches-4.4/0123-BCM270X_DT-Add-the-sdtweak-overlay-for-tuning-sdhost.patch +++ /dev/null @@ -1,73 +0,0 @@ -From 29754f6751d0cdd5a9e1da94b30e5d0686557be9 Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Mon, 4 Jan 2016 14:42:17 +0000 -Subject: [PATCH] BCM270X_DT: Add the sdtweak overlay, for tuning sdhost - -The sdhost overlay declares the sdhost interface and allows parameters -to be set. This is overkill for situations where the user just wants to -tweak the parameters of a pre-declared sdhost interface, so create an -sdtweak overlay that does just that. ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 14 ++++++++++++++ - arch/arm/boot/dts/overlays/sdtweak-overlay.dts | 21 +++++++++++++++++++++ - 3 files changed, 36 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/sdtweak-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -53,6 +53,7 @@ dtb-$(RPI_DT_OVERLAYS) += rpi-proto-over - dtb-$(RPI_DT_OVERLAYS) += rpi-sense-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += sdhost-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += sdio-overlay.dtb -+dtb-$(RPI_DT_OVERLAYS) += sdtweak-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += smi-dev-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += smi-nand-overlay.dtb - dtb-$(RPI_DT_OVERLAYS) += smi-overlay.dtb ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -635,6 +635,20 @@ Params: overclock_50 Clock ( - (default on: polling once at boot-time) - - -+Name: sdtweak -+Info: Tunes the bcm2835-sdhost SD/MMC driver -+Load: dtoverlay=sdtweak,<param>=<val> -+Params: overclock_50 Clock (in MHz) to use when the MMC framework -+ requests 50MHz -+ -+ force_pio Disable DMA support (default off) -+ -+ pio_limit Number of blocks above which to use DMA -+ (default 1) -+ -+ debug Enable debug output (default off) -+ -+ - Name: smi - Info: Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25! - Load: dtoverlay=smi ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/sdtweak-overlay.dts -@@ -0,0 +1,21 @@ -+/dts-v1/; -+/plugin/; -+ -+/{ -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&sdhost>; -+ frag1: __overlay__ { -+ brcm,overclock-50 = <0>; -+ brcm,pio-limit = <1>; -+ }; -+ }; -+ -+ __overrides__ { -+ overclock_50 = <&frag1>,"brcm,overclock-50:0"; -+ force_pio = <&frag1>,"brcm,force-pio?"; -+ pio_limit = <&frag1>,"brcm,pio-limit:0"; -+ debug = <&frag1>,"brcm,debug?"; -+ }; -+}; |