From: Yoshinori Sato <ysato@users.sourceforge.jp> To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Subject: [PATCH v2 17/17] sh: landisk CPLD interrupt controller driver Date: Sun, 12 Jun 2016 07:44:14 +0000 [thread overview] Message-ID: <1465717454-7606-1-git-send-email-ysato@users.sourceforge.jp> (raw) In-Reply-To: <1465714475-24111-18-git-send-email-ysato@users.sourceforge.jp> Sorry. I send old patches. Please ignore previous files. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> --- .../interrupt-controller/iodata-landisk.txt | 28 +++++++++ drivers/irqchip/irq-io-landisk.c | 72 ++++++++++++++++++++++ 2 files changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt create mode 100644 drivers/irqchip/irq-io-landisk.c diff --git a/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt b/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt new file mode 100644 index 0000000..d398538 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt @@ -0,0 +1,28 @@ +DT bindings for the I/O DATA HDL-U interrupt controller + +Required properties: + + - compatible: has to be "iodata,landisk-intc". + + - reg: Base address and length of interrupt controller register. + + - interrupt-controller: Identifies the node as an interrupt controller. + + - #interrupt-cells: has to be <2>: an interrupt index and flags, as defined + in interrupts.txt in this directory. + + - interrupt-map: Interrupt mapping on parent controller. + +Example +------- + + cpldintc: cpld@b0000000 { + compatible = "iodata,landisk-intc"; + #interrupt-cells = <2>; + interrupt-controller; + reg = <0xb0000000 8>; + interrupt-map=<0 &shintc 0 0>, <1 &shintc 1 0>, + <2 &shintc 2 0>, <3 &shintc 3 0>, + <4 &shintc 4 0>, <5 &shintc 5 0>, + <6 &shintc 6 0>, <7 &shintc 7 0>; + }; diff --git a/drivers/irqchip/irq-io-landisk.c b/drivers/irqchip/irq-io-landisk.c new file mode 100644 index 0000000..7db20d6 --- /dev/null +++ b/drivers/irqchip/irq-io-landisk.c @@ -0,0 +1,72 @@ +/* + * IO-DATA LANDISK CPLD IRQ driver + * + * Copyright 2016 Yoshinori Sato <ysato@users.sourceforge.jp> + */ + +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqdomain.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/io.h> + +static void landisk_mask_irq(struct irq_data *data) +{ + u8 mask = __raw_readb(data->chip_data + 5); + + mask &= !(1 << (data->irq - 5)); + __raw_writeb(mask, data->chip_data + 5); +} + +static void landisk_unmask_irq(struct irq_data *data) +{ + u8 mask = __raw_readb(data->chip_data + 5); + + mask |= (1 << (data->irq - 5)); + __raw_writeb(mask, data->chip_data + 5); +} + +static struct irq_chip cpld_irq_chip = { + .name = "LANDISK-CPLD", + .irq_unmask = landisk_unmask_irq, + .irq_mask = landisk_mask_irq, +}; + +static int cpld_map(struct irq_domain *d, unsigned int virq, + irq_hw_number_t hw_irq_num) +{ + irq_set_chip_and_handler(virq, &cpld_irq_chip, + handle_simple_irq); + irq_set_chip_data(virq, d->host_data); + + return 0; +} + +static struct irq_domain_ops irq_ops = { + .xlate = irq_domain_xlate_twocell, + .map = cpld_map, +}; + +static int __init landisk_intc_of_init(struct device_node *intc, + struct device_node *parent) +{ + struct irq_domain *domain, *pdomain; + int num_irqpin; + void *baseaddr; + + baseaddr = of_iomap(intc, 0); + pdomain = irq_find_host(parent); + of_get_property(intc, "interrupt-map", &num_irqpin); + num_irqpin /= sizeof(u32) * 3; + domain = irq_domain_create_hierarchy(pdomain, 0, num_irqpin, + of_node_to_fwnode(intc), + &irq_ops, baseaddr); + if (!domain) + panic("%s: unable to create IRQ domain\n", intc->full_name); + irq_domain_associate_many(domain, 0, 0, 8); + return 0; +} + +IRQCHIP_DECLARE(cpld_intc, "iodata,landisk-intc", landisk_intc_of_init); -- 2.7.0
WARNING: multiple messages have this Message-ID (diff)
From: Yoshinori Sato <ysato@users.sourceforge.jp> To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Subject: [PATCH v2 17/17] sh: landisk CPLD interrupt controller driver Date: Sun, 12 Jun 2016 16:44:14 +0900 [thread overview] Message-ID: <1465717454-7606-1-git-send-email-ysato@users.sourceforge.jp> (raw) In-Reply-To: <1465714475-24111-18-git-send-email-ysato@users.sourceforge.jp> Sorry. I send old patches. Please ignore previous files. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp> --- .../interrupt-controller/iodata-landisk.txt | 28 +++++++++ drivers/irqchip/irq-io-landisk.c | 72 ++++++++++++++++++++++ 2 files changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt create mode 100644 drivers/irqchip/irq-io-landisk.c diff --git a/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt b/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt new file mode 100644 index 0000000..d398538 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt @@ -0,0 +1,28 @@ +DT bindings for the I/O DATA HDL-U interrupt controller + +Required properties: + + - compatible: has to be "iodata,landisk-intc". + + - reg: Base address and length of interrupt controller register. + + - interrupt-controller: Identifies the node as an interrupt controller. + + - #interrupt-cells: has to be <2>: an interrupt index and flags, as defined + in interrupts.txt in this directory. + + - interrupt-map: Interrupt mapping on parent controller. + +Example +------- + + cpldintc: cpld@b0000000 { + compatible = "iodata,landisk-intc"; + #interrupt-cells = <2>; + interrupt-controller; + reg = <0xb0000000 8>; + interrupt-map=<0 &shintc 0 0>, <1 &shintc 1 0>, + <2 &shintc 2 0>, <3 &shintc 3 0>, + <4 &shintc 4 0>, <5 &shintc 5 0>, + <6 &shintc 6 0>, <7 &shintc 7 0>; + }; diff --git a/drivers/irqchip/irq-io-landisk.c b/drivers/irqchip/irq-io-landisk.c new file mode 100644 index 0000000..7db20d6 --- /dev/null +++ b/drivers/irqchip/irq-io-landisk.c @@ -0,0 +1,72 @@ +/* + * IO-DATA LANDISK CPLD IRQ driver + * + * Copyright 2016 Yoshinori Sato <ysato@users.sourceforge.jp> + */ + +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqdomain.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/io.h> + +static void landisk_mask_irq(struct irq_data *data) +{ + u8 mask = __raw_readb(data->chip_data + 5); + + mask &= !(1 << (data->irq - 5)); + __raw_writeb(mask, data->chip_data + 5); +} + +static void landisk_unmask_irq(struct irq_data *data) +{ + u8 mask = __raw_readb(data->chip_data + 5); + + mask |= (1 << (data->irq - 5)); + __raw_writeb(mask, data->chip_data + 5); +} + +static struct irq_chip cpld_irq_chip = { + .name = "LANDISK-CPLD", + .irq_unmask = landisk_unmask_irq, + .irq_mask = landisk_mask_irq, +}; + +static int cpld_map(struct irq_domain *d, unsigned int virq, + irq_hw_number_t hw_irq_num) +{ + irq_set_chip_and_handler(virq, &cpld_irq_chip, + handle_simple_irq); + irq_set_chip_data(virq, d->host_data); + + return 0; +} + +static struct irq_domain_ops irq_ops = { + .xlate = irq_domain_xlate_twocell, + .map = cpld_map, +}; + +static int __init landisk_intc_of_init(struct device_node *intc, + struct device_node *parent) +{ + struct irq_domain *domain, *pdomain; + int num_irqpin; + void *baseaddr; + + baseaddr = of_iomap(intc, 0); + pdomain = irq_find_host(parent); + of_get_property(intc, "interrupt-map", &num_irqpin); + num_irqpin /= sizeof(u32) * 3; + domain = irq_domain_create_hierarchy(pdomain, 0, num_irqpin, + of_node_to_fwnode(intc), + &irq_ops, baseaddr); + if (!domain) + panic("%s: unable to create IRQ domain\n", intc->full_name); + irq_domain_associate_many(domain, 0, 0, 8); + return 0; +} + +IRQCHIP_DECLARE(cpld_intc, "iodata,landisk-intc", landisk_intc_of_init); -- 2.7.0
next prev parent reply other threads:[~2016-06-12 7:44 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-06-12 6:54 [PATCH v2 00/17] sh: LANDISK convert to device tree Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 01/17] sh: Add sh-specific early_init_dt_reserve_memory_arch Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 11:29 ` Sergei Shtylyov 2016-06-12 11:29 ` Sergei Shtylyov 2016-06-12 6:54 ` [PATCH v2 02/17] sh: More early unflatten device tree Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 03/17] sh: set preset_lpj Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 04/17] sh: Use P1SEGADDR Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 05/17] sh: command line passing chosen/bootargs in devicetree Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 11:32 ` Sergei Shtylyov 2016-06-12 11:32 ` Sergei Shtylyov 2016-06-12 6:54 ` [PATCH v2 06/17] sh: FDT address save before bank change Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 07/17] sh: Passing FDT address on zImage Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 11:38 ` Sergei Shtylyov 2016-06-12 11:38 ` Sergei Shtylyov 2016-06-12 6:54 ` [PATCH v2 08/17] sh: Disable board specific code on device tree mode Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 09/17] sh: Use GENERIC_IOMAP " Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 10/17] sh: convert generic drivers framework Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-13 8:05 ` Geert Uytterhoeven 2016-06-13 8:05 ` Geert Uytterhoeven 2016-06-12 6:54 ` [PATCH v2 11/17] sh: SH7750/51 clock driver Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-13 8:15 ` Geert Uytterhoeven 2016-06-13 8:15 ` Geert Uytterhoeven 2016-06-12 6:54 ` [PATCH v2 12/17] sh: Add PCI host bridge driver for SH7751 Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-13 8:04 ` Geert Uytterhoeven 2016-06-13 8:04 ` Geert Uytterhoeven 2016-06-13 8:04 ` Geert Uytterhoeven 2016-06-13 8:38 ` Arnd Bergmann 2016-06-13 8:38 ` Arnd Bergmann 2016-06-13 15:23 ` Yoshinori Sato 2016-06-13 15:23 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 13/17] sh: Add PCI definetion Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-13 8:04 ` Geert Uytterhoeven 2016-06-13 8:04 ` Geert Uytterhoeven 2016-06-12 6:54 ` [PATCH v2 14/17] sh: SH3/4 Generic IRQCHIP driever Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 7:43 ` Yoshinori Sato 2016-06-12 7:43 ` Yoshinori Sato 2016-06-14 22:14 ` Rob Herring 2016-06-14 22:14 ` Rob Herring 2016-06-12 6:54 ` [PATCH v2 15/17] sh: SH-INTC helper files Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` [PATCH v2 16/17] sh: I/O DATA HDL-U (a.k.a. landisk) Device Tree Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-13 8:13 ` Geert Uytterhoeven 2016-06-13 8:13 ` Geert Uytterhoeven 2016-06-13 14:23 ` Yoshinori Sato 2016-06-13 14:23 ` Yoshinori Sato [not found] ` <1465714475-24111-1-git-send-email-ysato-Rn4VEauK+AKRv+LV9MX5uooqe+aC9MnS@public.gmane.org> 2016-06-12 6:54 ` [PATCH v2 17/17] sh: landisk CPLD interrupt controller driver Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 6:54 ` Yoshinori Sato 2016-06-12 7:44 ` Yoshinori Sato [this message] 2016-06-12 7:44 ` Yoshinori Sato 2016-06-14 22:24 ` Rob Herring 2016-06-14 22:24 ` Rob Herring
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