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142 lines
3.9 KiB
Diff
142 lines
3.9 KiB
Diff
From de3f225e647da316e52ed34b4129a6b512f2892f Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.org>
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Date: Fri, 26 Jun 2015 08:39:19 +0100
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Subject: [PATCH 084/148] BCM270X_DT: Create a "core" clock, use it for SPI and
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sdhost
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---
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arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 1 +
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arch/arm/boot/dts/bcm2708-rpi-b.dts | 1 +
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arch/arm/boot/dts/bcm2708-rpi-cm.dts | 1 +
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arch/arm/boot/dts/bcm2708_common.dtsi | 6 +++---
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arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 1 +
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arch/arm/boot/dts/overlays/sdhost-overlay.dts | 28 ++-------------------------
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6 files changed, 9 insertions(+), 29 deletions(-)
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--- a/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
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@@ -124,6 +124,7 @@
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i2c1 = <&i2c1>,"status";
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i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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act_led_gpio = <&act_led>,"gpios:4";
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act_led_activelow = <&act_led>,"gpios:8";
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--- a/arch/arm/boot/dts/bcm2708-rpi-b.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
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@@ -118,6 +118,7 @@
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i2c1 = <&i2c1>,"status";
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i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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act_led_gpio = <&act_led>,"gpios:4";
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act_led_activelow = <&act_led>,"gpios:8";
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--- a/arch/arm/boot/dts/bcm2708-rpi-cm.dts
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+++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
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@@ -14,5 +14,6 @@
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__overrides__ {
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uart0 = <&uart0>,"status";
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uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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};
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};
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--- a/arch/arm/boot/dts/bcm2708_common.dtsi
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+++ b/arch/arm/boot/dts/bcm2708_common.dtsi
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@@ -110,7 +110,7 @@
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compatible = "brcm,bcm2835-spi";
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reg = <0x7e204000 0x1000>;
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interrupts = <2 22>;
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- clocks = <&clk_spi>;
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+ clocks = <&clk_core>;
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#address-cells = <1>;
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#size-cells = <0>;
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status = "disabled";
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@@ -203,11 +203,11 @@
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clock-frequency = <250000000>;
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};
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- clk_spi: clock@2 {
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+ clk_core: clock@2 {
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compatible = "fixed-clock";
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reg = <2>;
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#clock-cells = <0>;
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- clock-output-names = "spi";
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+ clock-output-names = "core";
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clock-frequency = <250000000>;
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};
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--- a/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
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+++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
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@@ -124,6 +124,7 @@
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i2c1 = <&i2c1>,"status";
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i2c0_baudrate = <&i2c0>,"clock-frequency:0";
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i2c1_baudrate = <&i2c1>,"clock-frequency:0";
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+ core_freq = <&clk_core>,"clock-frequency:0";
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act_led_gpio = <&act_led>,"gpios:4";
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act_led_activelow = <&act_led>,"gpios:8";
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--- a/arch/arm/boot/dts/overlays/sdhost-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sdhost-overlay.dts
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@@ -16,7 +16,7 @@
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pinctrl-names = "default";
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pinctrl-0 = <&sdhost_pins>;
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interrupts = <2 24>;
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- clocks = <&clk_sdhost>;
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+ clocks = <&clk_core>;
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dmas = <&dma 13>,
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<&dma 13>;
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dma-names = "tx", "rx";
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@@ -29,22 +29,6 @@
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};
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fragment@1 {
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- target = <&clocks>;
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- __overlay__ {
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- #address-cells = <1>;
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- #size-cells = <0>;
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-
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- clk_sdhost: sdhost {
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- compatible = "fixed-clock";
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- reg = <0>;
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- #clock-cells = <0>;
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- clock-output-names = "sdhost";
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- clock-frequency = <250000000>;
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- };
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- };
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- };
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-
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- fragment@2 {
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target = <&gpio>;
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__overlay__ {
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sdhost_pins: sdhost_pins {
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@@ -54,7 +38,7 @@
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};
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};
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- fragment@3 {
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+ fragment@2 {
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target = <&mmc>;
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__overlay__ {
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/* Find a way to disable the other driver */
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@@ -63,18 +47,10 @@
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};
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};
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- fragment@4 {
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- target-path = "/__overrides__";
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- __overlay__ {
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- sdhost_freq = <&clk_sdhost>,"clock-frequency:0";
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- };
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- };
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-
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__overrides__ {
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overclock_50 = <&sdhost>,"brcm,overclock-50:0";
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force_pio = <&sdhost>,"brcm,force-pio?";
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pio_limit = <&sdhost>,"brcm,pio-limit:0";
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debug = <&sdhost>,"brcm,debug?";
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- sdhost_freq = <&clk_sdhost>,"clock-frequency:0";
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};
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};
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