diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0084-BCM270X_DT-Create-a-core-clock-use-it-for-SPI-and-sd.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.1/0084-BCM270X_DT-Create-a-core-clock-use-it-for-SPI-and-sd.patch | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0084-BCM270X_DT-Create-a-core-clock-use-it-for-SPI-and-sd.patch b/target/linux/brcm2708/patches-4.1/0084-BCM270X_DT-Create-a-core-clock-use-it-for-SPI-and-sd.patch new file mode 100644 index 0000000..3b7c875 --- /dev/null +++ b/target/linux/brcm2708/patches-4.1/0084-BCM270X_DT-Create-a-core-clock-use-it-for-SPI-and-sd.patch @@ -0,0 +1,141 @@ +From 9e38795e9be092bf1197991af1ab9ea7a511fbad Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Fri, 26 Jun 2015 08:39:19 +0100 +Subject: [PATCH 084/203] BCM270X_DT: Create a "core" clock, use it for SPI and + sdhost + +--- + arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 1 + + arch/arm/boot/dts/bcm2708-rpi-b.dts | 1 + + arch/arm/boot/dts/bcm2708-rpi-cm.dts | 1 + + arch/arm/boot/dts/bcm2708_common.dtsi | 6 +++--- + arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 1 + + arch/arm/boot/dts/overlays/sdhost-overlay.dts | 28 ++------------------------- + 6 files changed, 9 insertions(+), 29 deletions(-) + +--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts ++++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts +@@ -124,6 +124,7 @@ + i2c1 = <&i2c1>,"status"; + i2c0_baudrate = <&i2c0>,"clock-frequency:0"; + i2c1_baudrate = <&i2c1>,"clock-frequency:0"; ++ core_freq = <&clk_core>,"clock-frequency:0"; + + act_led_gpio = <&act_led>,"gpios:4"; + act_led_activelow = <&act_led>,"gpios:8"; +--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts ++++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts +@@ -118,6 +118,7 @@ + i2c1 = <&i2c1>,"status"; + i2c0_baudrate = <&i2c0>,"clock-frequency:0"; + i2c1_baudrate = <&i2c1>,"clock-frequency:0"; ++ core_freq = <&clk_core>,"clock-frequency:0"; + + act_led_gpio = <&act_led>,"gpios:4"; + act_led_activelow = <&act_led>,"gpios:8"; +--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts ++++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts +@@ -14,5 +14,6 @@ + __overrides__ { + uart0 = <&uart0>,"status"; + uart0_clkrate = <&clk_uart0>,"clock-frequency:0"; ++ core_freq = <&clk_core>,"clock-frequency:0"; + }; + }; +--- a/arch/arm/boot/dts/bcm2708_common.dtsi ++++ b/arch/arm/boot/dts/bcm2708_common.dtsi +@@ -110,7 +110,7 @@ + compatible = "brcm,bcm2835-spi"; + reg = <0x7e204000 0x1000>; + interrupts = <2 22>; +- clocks = <&clk_spi>; ++ clocks = <&clk_core>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; +@@ -203,11 +203,11 @@ + clock-frequency = <250000000>; + }; + +- clk_spi: clock@2 { ++ clk_core: clock@2 { + compatible = "fixed-clock"; + reg = <2>; + #clock-cells = <0>; +- clock-output-names = "spi"; ++ clock-output-names = "core"; + clock-frequency = <250000000>; + }; + +--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts ++++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts +@@ -124,6 +124,7 @@ + i2c1 = <&i2c1>,"status"; + i2c0_baudrate = <&i2c0>,"clock-frequency:0"; + i2c1_baudrate = <&i2c1>,"clock-frequency:0"; ++ core_freq = <&clk_core>,"clock-frequency:0"; + + act_led_gpio = <&act_led>,"gpios:4"; + act_led_activelow = <&act_led>,"gpios:8"; +--- a/arch/arm/boot/dts/overlays/sdhost-overlay.dts ++++ b/arch/arm/boot/dts/overlays/sdhost-overlay.dts +@@ -16,7 +16,7 @@ + pinctrl-names = "default"; + pinctrl-0 = <&sdhost_pins>; + interrupts = <2 24>; +- clocks = <&clk_sdhost>; ++ clocks = <&clk_core>; + dmas = <&dma 13>, + <&dma 13>; + dma-names = "tx", "rx"; +@@ -29,22 +29,6 @@ + }; + + fragment@1 { +- target = <&clocks>; +- __overlay__ { +- #address-cells = <1>; +- #size-cells = <0>; +- +- clk_sdhost: sdhost { +- compatible = "fixed-clock"; +- reg = <0>; +- #clock-cells = <0>; +- clock-output-names = "sdhost"; +- clock-frequency = <250000000>; +- }; +- }; +- }; +- +- fragment@2 { + target = <&gpio>; + __overlay__ { + sdhost_pins: sdhost_pins { +@@ -54,7 +38,7 @@ + }; + }; + +- fragment@3 { ++ fragment@2 { + target = <&mmc>; + __overlay__ { + /* Find a way to disable the other driver */ +@@ -63,18 +47,10 @@ + }; + }; + +- fragment@4 { +- target-path = "/__overrides__"; +- __overlay__ { +- sdhost_freq = <&clk_sdhost>,"clock-frequency:0"; +- }; +- }; +- + __overrides__ { + overclock_50 = <&sdhost>,"brcm,overclock-50:0"; + force_pio = <&sdhost>,"brcm,force-pio?"; + pio_limit = <&sdhost>,"brcm,pio-limit:0"; + debug = <&sdhost>,"brcm,debug?"; +- sdhost_freq = <&clk_sdhost>,"clock-frequency:0"; + }; + }; |