mirror of https://github.com/hak5/openwrt.git
bcm27xx: update to latest patches from RPi foundation
Also removes random module and switches to new bcm2711 thermal driver. Boot tested on RPi 4B v1.1 4G. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>master
Álvaro Fernández Rojas
parent
5d3a0c6b26
commit
77e97abf12
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@ -50,6 +50,7 @@ CONFIG_ARM_TIMER_SP804=y
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CONFIG_ARM_UNWIND=y
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CONFIG_AUTO_ZRELADDR=y
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CONFIG_BCM2708_VCMEM=y
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# CONFIG_BCM2711_THERMAL is not set
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CONFIG_BCM2835_DEVGPIOMEM=y
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CONFIG_BCM2835_FAST_MEMCPY=y
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CONFIG_BCM2835_MBOX=y
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@ -73,7 +74,6 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
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CONFIG_BLK_DEV_SD=y
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CONFIG_BLK_PM=y
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CONFIG_BLK_SCSI_REQUEST=y
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# CONFIG_BRCMSTB_THERMAL is not set
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CONFIG_BRCM_CHAR_DRIVERS=y
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# CONFIG_CACHE_L2X0 is not set
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CONFIG_CC_HAS_KASAN_GENERIC=y
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@ -247,6 +247,8 @@ CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
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CONFIG_HAVE_UID16=y
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CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
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CONFIG_HW_CONSOLE=y
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CONFIG_HW_RANDOM=y
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CONFIG_HW_RANDOM_BCM2835=y
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CONFIG_HZ=100
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CONFIG_HZ_100=y
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CONFIG_HZ_FIXED=0
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@ -65,6 +65,7 @@ CONFIG_ARM_VIRT_EXT=y
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CONFIG_ASSOCIATIVE_ARRAY=y
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CONFIG_AUTO_ZRELADDR=y
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CONFIG_BCM2708_VCMEM=y
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CONFIG_BCM2711_THERMAL=y
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CONFIG_BCM2835_DEVGPIOMEM=y
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CONFIG_BCM2835_MBOX=y
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CONFIG_BCM2835_POWER=y
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@ -92,7 +93,6 @@ CONFIG_BLK_MQ_PCI=y
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CONFIG_BLK_PM=y
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CONFIG_BLK_SCSI_REQUEST=y
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CONFIG_BOUNCE=y
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CONFIG_BRCMSTB_THERMAL=y
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CONFIG_BRCM_CHAR_DRIVERS=y
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CONFIG_BROADCOM_PHY=y
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# CONFIG_CACHE_L2X0 is not set
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@ -314,6 +314,8 @@ CONFIG_HIGHMEM=y
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CONFIG_HIGHPTE=y
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CONFIG_HOTPLUG_CPU=y
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CONFIG_HW_CONSOLE=y
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CONFIG_HW_RANDOM=y
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CONFIG_HW_RANDOM_BCM2835=y
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CONFIG_HZ=100
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CONFIG_HZ_100=y
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CONFIG_HZ_FIXED=0
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@ -125,6 +125,7 @@ CONFIG_ARM_TIMER_SP804=y
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CONFIG_ASSOCIATIVE_ARRAY=y
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CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y
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CONFIG_BCM2708_VCMEM=y
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# CONFIG_BCM2711_THERMAL is not set
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CONFIG_BCM2835_DEVGPIOMEM=y
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CONFIG_BCM2835_MBOX=y
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CONFIG_BCM2835_POWER=y
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@ -147,7 +148,6 @@ CONFIG_BLK_MQ_PCI=y
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CONFIG_BLK_PM=y
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CONFIG_BLK_SCSI_REQUEST=y
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CONFIG_BOUNCE=y
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CONFIG_BRCMSTB_THERMAL=y
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CONFIG_BRCM_CHAR_DRIVERS=y
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CONFIG_CAVIUM_ERRATUM_22375=y
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CONFIG_CAVIUM_ERRATUM_23154=y
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@ -371,6 +371,8 @@ CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
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CONFIG_HOLES_IN_ZONE=y
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CONFIG_HOTPLUG_CPU=y
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CONFIG_HW_CONSOLE=y
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CONFIG_HW_RANDOM=y
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CONFIG_HW_RANDOM_BCM2835=y
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CONFIG_HZ=250
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CONFIG_HZ_250=y
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CONFIG_I2C=y
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@ -125,6 +125,7 @@ CONFIG_ARM_TIMER_SP804=y
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CONFIG_ASSOCIATIVE_ARRAY=y
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CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y
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CONFIG_BCM2708_VCMEM=y
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CONFIG_BCM2711_THERMAL=y
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CONFIG_BCM2835_DEVGPIOMEM=y
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CONFIG_BCM2835_MBOX=y
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CONFIG_BCM2835_POWER=y
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@ -150,7 +151,6 @@ CONFIG_BLK_MQ_PCI=y
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CONFIG_BLK_PM=y
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CONFIG_BLK_SCSI_REQUEST=y
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CONFIG_BOUNCE=y
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CONFIG_BRCMSTB_THERMAL=y
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CONFIG_BRCM_CHAR_DRIVERS=y
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CONFIG_BROADCOM_PHY=y
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CONFIG_CAVIUM_ERRATUM_22375=y
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@ -377,6 +377,8 @@ CONFIG_HAVE_VIRT_CPU_ACCOUNTING_GEN=y
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CONFIG_HOLES_IN_ZONE=y
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CONFIG_HOTPLUG_CPU=y
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CONFIG_HW_CONSOLE=y
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CONFIG_HW_RANDOM=y
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CONFIG_HW_RANDOM_BCM2835=y
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CONFIG_HZ=250
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CONFIG_HZ_250=y
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CONFIG_I2C=y
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@ -23,23 +23,6 @@ endef
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$(eval $(call KernelPackage,pwm-bcm2835))
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define KernelPackage/random-bcm2835
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SUBMENU:=$(OTHER_MENU)
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TITLE:=BCM2835 HW Random Number Generator
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KCONFIG:= \
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CONFIG_HW_RANDOM_BCM2835
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FILES:=$(LINUX_DIR)/drivers/char/hw_random/bcm2835-rng.ko
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AUTOLOAD:=$(call AutoLoad,11,bcm2835-rng)
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DEPENDS:=@TARGET_bcm27xx +kmod-random-core
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endef
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define KernelPackage/random-bcm2835/description
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This package contains the Broadcom 2835 HW random number generator driver
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endef
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$(eval $(call KernelPackage,random-bcm2835))
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define KernelPackage/smi-bcm2835
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SUBMENU:=$(OTHER_MENU)
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TITLE:=BCM2835 SMI driver
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@ -1,152 +0,0 @@
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From d1066d775e67c33cc93178475c4485c5ef0a83c9 Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <wahrenst@gmx.net>
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Date: Sat, 18 May 2019 12:26:11 +0200
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Subject: [PATCH] thermal: brcmstb_thermal: Add BCM2838 support
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The BCM2838 has an AVS TMON hardware block. This adds the necessary
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support to the brcmstb_thermal driver ( no trip handling ).
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Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
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---
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drivers/thermal/broadcom/Kconfig | 2 +-
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drivers/thermal/broadcom/brcmstb_thermal.c | 61 +++++++++++++++++++---
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2 files changed, 54 insertions(+), 9 deletions(-)
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--- a/drivers/thermal/broadcom/Kconfig
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+++ b/drivers/thermal/broadcom/Kconfig
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@@ -9,7 +9,7 @@ config BCM2835_THERMAL
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config BRCMSTB_THERMAL
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tristate "Broadcom STB AVS TMON thermal driver"
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- depends on ARCH_BRCMSTB || COMPILE_TEST
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+ depends on ARCH_BRCMSTB || ARCH_BCM2835 || COMPILE_TEST
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help
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Enable this driver if you have a Broadcom STB SoC and would like
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thermal framework support.
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--- a/drivers/thermal/broadcom/brcmstb_thermal.c
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+++ b/drivers/thermal/broadcom/brcmstb_thermal.c
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@@ -10,6 +10,7 @@
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#define pr_fmt(fmt) DRV_NAME ": " fmt
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#include <linux/bitops.h>
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+#include <linux/clk.h>
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#include <linux/device.h>
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#include <linux/err.h>
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#include <linux/io.h>
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@@ -22,9 +23,6 @@
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#include <linux/thermal.h>
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#define AVS_TMON_STATUS 0x00
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- #define AVS_TMON_STATUS_valid_msk BIT(11)
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- #define AVS_TMON_STATUS_data_msk GENMASK(10, 1)
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- #define AVS_TMON_STATUS_data_shift 1
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#define AVS_TMON_EN_OVERTEMP_RESET 0x04
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#define AVS_TMON_EN_OVERTEMP_RESET_msk BIT(0)
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@@ -102,10 +100,19 @@ static struct avs_tmon_trip avs_tmon_tri
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},
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};
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+struct brcmstb_thermal_of_data {
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+ const struct thermal_zone_of_device_ops *of_ops;
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+ u32 status_valid_mask;
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+ u32 status_data_mask;
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+ u32 status_data_shift;
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+};
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+
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struct brcmstb_thermal_priv {
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void __iomem *tmon_base;
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struct device *dev;
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struct thermal_zone_device *thermal;
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+ struct clk *clk;
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+ const struct brcmstb_thermal_of_data *socdata;
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};
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/* Convert a HW code to a temperature reading (millidegree celsius) */
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@@ -142,17 +149,18 @@ static inline u32 avs_tmon_temp_to_code(
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static int brcmstb_get_temp(void *data, int *temp)
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{
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struct brcmstb_thermal_priv *priv = data;
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+ const struct brcmstb_thermal_of_data *socdata = priv->socdata;
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u32 val;
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long t;
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val = __raw_readl(priv->tmon_base + AVS_TMON_STATUS);
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- if (!(val & AVS_TMON_STATUS_valid_msk)) {
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+ if (!(val & socdata->status_valid_mask)) {
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dev_err(priv->dev, "reading not valid\n");
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return -EIO;
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}
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- val = (val & AVS_TMON_STATUS_data_msk) >> AVS_TMON_STATUS_data_shift;
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+ val = (val & socdata->status_data_mask) >> socdata->status_data_shift;
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t = avs_tmon_code_to_temp(priv->thermal, val);
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if (t < 0)
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@@ -277,13 +285,34 @@ static int brcmstb_set_trips(void *data,
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return 0;
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}
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-static const struct thermal_zone_of_device_ops of_ops = {
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+static const struct thermal_zone_of_device_ops bcm7445_thermal_of_ops = {
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.get_temp = brcmstb_get_temp,
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.set_trips = brcmstb_set_trips,
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};
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+static const struct thermal_zone_of_device_ops bcm2838_thermal_of_ops = {
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+ .get_temp = brcmstb_get_temp,
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+};
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+
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+static const struct brcmstb_thermal_of_data bcm7445_thermal_of_data = {
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+ .of_ops = &bcm7445_thermal_of_ops,
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+ .status_valid_mask = BIT(11),
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+ .status_data_mask = GENMASK(10, 1),
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+ .status_data_shift = 1,
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+};
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+
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+static const struct brcmstb_thermal_of_data bcm2838_thermal_of_data = {
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+ .of_ops = &bcm2838_thermal_of_ops,
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+ .status_valid_mask = BIT(10),
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+ .status_data_mask = GENMASK(9, 0),
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+ .status_data_shift = 0,
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+};
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+
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static const struct of_device_id brcmstb_thermal_id_table[] = {
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- { .compatible = "brcm,avs-tmon" },
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+ { .compatible = "brcm,avs-tmon",
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+ .data = &bcm7445_thermal_of_data },
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+ { .compatible = "brcm,avs-tmon-bcm2838",
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+ .data = &bcm2838_thermal_of_data },
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{},
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};
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MODULE_DEVICE_TABLE(of, brcmstb_thermal_id_table);
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@@ -304,11 +333,27 @@ static int brcmstb_thermal_probe(struct
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if (IS_ERR(priv->tmon_base))
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return PTR_ERR(priv->tmon_base);
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+ priv->socdata = of_device_get_match_data(&pdev->dev);
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+ if (!priv->socdata) {
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+ dev_err(&pdev->dev, "no device match found\n");
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+ return -ENODEV;
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+ }
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+
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+ priv->clk = devm_clk_get(&pdev->dev, NULL);
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+ if (IS_ERR(priv->clk) && PTR_ERR(priv->clk) == -EPROBE_DEFER)
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+ return -EPROBE_DEFER;
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+
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+ if (!IS_ERR(priv->clk)) {
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+ ret = clk_prepare_enable(priv->clk);
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+ if (ret)
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+ return ret;
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+ }
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+
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priv->dev = &pdev->dev;
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platform_set_drvdata(pdev, priv);
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thermal = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, priv,
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- &of_ops);
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+ priv->socdata->of_ops);
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if (IS_ERR(thermal)) {
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ret = PTR_ERR(thermal);
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dev_err(&pdev->dev, "could not register sensor: %d\n", ret);
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