diff options
Diffstat (limited to 'target/linux/cns21xx/patches-3.3/203-cns21xx-add-spi-master-device.patch')
| -rw-r--r-- | target/linux/cns21xx/patches-3.3/203-cns21xx-add-spi-master-device.patch | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/target/linux/cns21xx/patches-3.3/203-cns21xx-add-spi-master-device.patch b/target/linux/cns21xx/patches-3.3/203-cns21xx-add-spi-master-device.patch deleted file mode 100644 index 31d210b4fc..0000000000 --- a/target/linux/cns21xx/patches-3.3/203-cns21xx-add-spi-master-device.patch +++ /dev/null @@ -1,117 +0,0 @@ ---- /dev/null -+++ b/arch/arm/mach-cns21xx/dev-spi-master.c -@@ -0,0 +1,83 @@ -+/* -+ * Copyright (c) 2010-2012 Gabor Juhos <juhosg@openwrt.org> -+ * -+ * This file is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License, Version 2, as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/spi/spi.h> -+#include <linux/dma-mapping.h> -+#include <linux/platform_device.h> -+ -+#include <mach/hardware.h> -+#include <mach/cns21xx.h> -+#include <mach/cns21xx_misc.h> -+#include <mach/cns21xx_powermgmt.h> -+#include <mach/irqs.h> -+ -+#include "common.h" -+ -+static u64 spi_dmamask = DMA_BIT_MASK(32); -+static struct resource cns21xx_spi_resources[] = { -+ [0] = { -+ .start = CNS21XX_SPI_BASE, -+ .end = CNS21XX_SPI_BASE + SZ_4K - 1, -+ .flags = IORESOURCE_MEM, -+ }, -+ [1] = { -+ .start = CNS21XX_IRQ_SPI, -+ .end = CNS21XX_IRQ_SPI, -+ .flags = IORESOURCE_IRQ, -+ }, -+}; -+ -+static struct platform_device cns21xx_spi_master_device = { -+ .name = "cns21xx-spi", -+ .id = -1, -+ .dev = { -+ .dma_mask = &spi_dmamask, -+ .coherent_dma_mask = DMA_BIT_MASK(32), -+ }, -+ .resource = cns21xx_spi_resources, -+ .num_resources = ARRAY_SIZE(cns21xx_spi_resources), -+}; -+ -+void __init cns21xx_register_spi_master(int id, struct spi_board_info *info, -+ unsigned int n) -+{ -+ unsigned int i; -+ -+ /* Enable SPI pins */ -+ HAL_MISC_ENABLE_SPIDR_PINS(); -+ HAL_MISC_ENABLE_SPICLK_PINS(); -+ for (i = 0; i < n; i++) { -+ switch (info[i].chip_select) { -+ case 0: -+ HAL_MISC_ENABLE_SPICSN0_PINS(); -+ break; -+ case 1: -+ HAL_MISC_ENABLE_SPICSN1_PINS(); -+ break; -+ case 2: -+ HAL_MISC_ENABLE_SPICSN2_PINS(); -+ break; -+ case 3: -+ HAL_MISC_ENABLE_SPICSN3_PINS(); -+ break; -+ } -+ } -+ -+ /* Disable SPI serial flash access through 0x30000000 region */ -+ HAL_MISC_DISABLE_SPI_SERIAL_FLASH_BANK_ACCESS(); -+ -+ /* Enable SPI clock */ -+ HAL_PWRMGT_ENABLE_SPI_CLOCK(); -+ -+ cns21xx_spi_master_device.id = id; -+ -+ spi_register_board_info(info, n); -+ platform_device_register(&cns21xx_spi_master_device); -+} ---- a/arch/arm/mach-cns21xx/Kconfig -+++ b/arch/arm/mach-cns21xx/Kconfig -@@ -6,4 +6,7 @@ endmenu - config CNS21XX_DEV_USB - def_bool n - -+config CNS21XX_DEV_SPI_MASTER -+ def_bool n -+ - endif ---- a/arch/arm/mach-cns21xx/Makefile -+++ b/arch/arm/mach-cns21xx/Makefile -@@ -8,6 +8,7 @@ obj-y := core.o devices.o gpio.o irq.o - - # devices - obj-$(CONFIG_CNS21XX_DEV_USB) += dev-usb.o -+obj-$(CONFIG_CNS21XX_DEV_SPI_MASTER) += dev-spi-master.o - - # machine specific files - ---- a/arch/arm/mach-cns21xx/common.h -+++ b/arch/arm/mach-cns21xx/common.h -@@ -22,4 +22,8 @@ int cns21xx_register_uart1(void); - int cns21xx_register_usb(void); - int cns21xx_register_wdt(void); - -+struct spi_board_info; -+void __init cns21xx_register_spi_master(int id, struct spi_board_info *info, -+ unsigned int n); -+ - #endif /* _MACH_CNS21XX_COMMON_H */ |