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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /arch/arm/mach-omap1/timer.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'arch/arm/mach-omap1/timer.c')
| -rw-r--r-- | arch/arm/mach-omap1/timer.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/timer.c b/arch/arm/mach-omap1/timer.c new file mode 100644 index 000000000..399e6d840 --- /dev/null +++ b/arch/arm/mach-omap1/timer.c @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * OMAP1 Dual-Mode Timers - platform device registration + * + * Contains first level initialization routines which internally + * generates timer device information and registers with linux + * device model. It also has a low level function to change the timer + * input clock source. + * + * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/ + * Tarun Kanti DebBarma <tarun.kanti@ti.com> + * Thara Gopinath <thara@ti.com> + */ + +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/slab.h> +#include <linux/platform_device.h> +#include <linux/platform_data/dmtimer-omap.h> +#include <linux/soc/ti/omap1-io.h> + +#include <clocksource/timer-ti-dm.h> + +#include "soc.h" + +#define OMAP1610_GPTIMER1_BASE 0xfffb1400 +#define OMAP1610_GPTIMER2_BASE 0xfffb1c00 +#define OMAP1610_GPTIMER3_BASE 0xfffb2400 +#define OMAP1610_GPTIMER4_BASE 0xfffb2c00 +#define OMAP1610_GPTIMER5_BASE 0xfffb3400 +#define OMAP1610_GPTIMER6_BASE 0xfffb3c00 +#define OMAP1610_GPTIMER7_BASE 0xfffb7400 +#define OMAP1610_GPTIMER8_BASE 0xfffbd400 + +#define OMAP1_DM_TIMER_COUNT 8 + +static int omap1_dm_timer_set_src(struct platform_device *pdev, + int source) +{ + int n = (pdev->id - 1) << 1; + u32 l; + + l = omap_readl(MOD_CONF_CTRL_1) & ~(0x03 << n); + l |= source << n; + omap_writel(l, MOD_CONF_CTRL_1); + + return 0; +} + +static int __init omap1_dm_timer_init(void) +{ + int i; + int ret; + struct dmtimer_platform_data *pdata; + struct platform_device *pdev; + + if (!cpu_is_omap16xx()) + return 0; + + for (i = 1; i <= OMAP1_DM_TIMER_COUNT; i++) { + struct resource res[2]; + u32 base, irq; + + switch (i) { + case 1: + base = OMAP1610_GPTIMER1_BASE; + irq = INT_1610_GPTIMER1; + break; + case 2: + base = OMAP1610_GPTIMER2_BASE; + irq = INT_1610_GPTIMER2; + break; + case 3: + base = OMAP1610_GPTIMER3_BASE; + irq = INT_1610_GPTIMER3; + break; + case 4: + base = OMAP1610_GPTIMER4_BASE; + irq = INT_1610_GPTIMER4; + break; + case 5: + base = OMAP1610_GPTIMER5_BASE; + irq = INT_1610_GPTIMER5; + break; + case 6: + base = OMAP1610_GPTIMER6_BASE; + irq = INT_1610_GPTIMER6; + break; + case 7: + base = OMAP1610_GPTIMER7_BASE; + irq = INT_1610_GPTIMER7; + break; + case 8: + base = OMAP1610_GPTIMER8_BASE; + irq = INT_1610_GPTIMER8; + break; + default: + /* + * not supposed to reach here. + * this is to remove warning. + */ + return -EINVAL; + } + + pdev = platform_device_alloc("omap_timer", i); + if (!pdev) { + pr_err("%s: Failed to device alloc for dmtimer%d\n", + __func__, i); + return -ENOMEM; + } + + memset(res, 0, 2 * sizeof(struct resource)); + res[0].start = base; + res[0].end = base + 0x46; + res[0].flags = IORESOURCE_MEM; + res[1].start = irq; + res[1].end = irq; + res[1].flags = IORESOURCE_IRQ; + ret = platform_device_add_resources(pdev, res, + ARRAY_SIZE(res)); + if (ret) { + dev_err(&pdev->dev, "%s: Failed to add resources.\n", + __func__); + goto err_free_pdev; + } + + pdata = kzalloc_obj(*pdata); + if (!pdata) { + ret = -ENOMEM; + goto err_free_pdata; + } + + pdata->set_timer_src = omap1_dm_timer_set_src; + pdata->timer_capability = OMAP_TIMER_ALWON | + OMAP_TIMER_NEEDS_RESET | OMAP_TIMER_HAS_DSP_IRQ; + + ret = platform_device_add_data(pdev, pdata, sizeof(*pdata)); + if (ret) { + dev_err(&pdev->dev, "%s: Failed to add platform data.\n", + __func__); + goto err_free_pdata; + } + + ret = platform_device_add(pdev); + if (ret) { + dev_err(&pdev->dev, "%s: Failed to add platform device.\n", + __func__); + goto err_free_pdata; + } + + dev_dbg(&pdev->dev, " Registered.\n"); + } + + return 0; + +err_free_pdata: + kfree(pdata); + +err_free_pdev: + platform_device_put(pdev); + + return ret; +} +arch_initcall(omap1_dm_timer_init); |
