X-Git-Url: https://gerrit.automotivelinux.org/gerrit/gitweb?a=blobdiff_plain;f=recipes-kernel%2Fmost%2Ffiles%2F0007-dim2-use-device-tree.patch;fp=recipes-kernel%2Fmost%2Ffiles%2F0007-dim2-use-device-tree.patch;h=0000000000000000000000000000000000000000;hb=1b72a0f90fa7d1b45eb1017629cc83dcd8971c48;hp=679fab79c57ed1ee7024d2d6f5d39e49c8c2ab6e;hpb=94a051785cdb588bc3a475a5490f1f286176d646;p=AGL%2Fmeta-agl-demo.git diff --git a/recipes-kernel/most/files/0007-dim2-use-device-tree.patch b/recipes-kernel/most/files/0007-dim2-use-device-tree.patch deleted file mode 100644 index 679fab79c..000000000 --- a/recipes-kernel/most/files/0007-dim2-use-device-tree.patch +++ /dev/null @@ -1,378 +0,0 @@ -From 8e16207392cd715ea88f6780981a3d55ab005588 Mon Sep 17 00:00:00 2001 -From: Andrey Shvetsov -Date: Mon, 12 Feb 2018 12:23:37 +0100 -Subject: [PATCH] staging: most: dim2: use device tree - -Current dim2 driver expects the existence of a platform driver that -implements the platform specific initialization and delivery of the irq -numbers. - -This patch integrates the device tree activity and platform specific -code into the driver. - -Signed-off-by: Andrey Shvetsov ---- - hdm-dim2/dim2_hdm.c | 222 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------- - hdm-dim2/dim2_hdm.h | 28 ---------------------------- - hdm-dim2/platform/dim2_arwen_mlb3.c | 165 --------------------------------------------------------------------------------------------------------------------------------------------------------------------- - hdm-dim2/platform/dim2_arwen_mlb6.c | 169 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - hdm-dim2/platform/dim2_h2_dt.c | 227 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - hdm-dim2/platform/dim2_mx6q.c | 192 ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ - hdm-dim2/platform/dim2_mx6q_dt.c | 224 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- - 7 files changed, 193 insertions(+), 1034 deletions(-) - delete mode 100644 hdm-dim2/dim2_hdm.h - delete mode 100644 hdm-dim2/platform/dim2_arwen_mlb3.c - delete mode 100644 hdm-dim2/platform/dim2_arwen_mlb6.c - delete mode 100644 hdm-dim2/platform/dim2_h2_dt.c - delete mode 100644 hdm-dim2/platform/dim2_mx6q.c - delete mode 100644 hdm-dim2/platform/dim2_mx6q_dt.c - -diff --git a/hdm-dim2/dim2_hdm.c b/hdm-dim2/dim2_hdm.c -index e4629a5..2dba917 100644 ---- a/hdm-dim2/dim2_hdm.c -+++ b/hdm-dim2/dim2_hdm.c -@@ -14,6 +14,7 @@ - #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - - #include -+#include - #include - #include - #include -@@ -21,13 +22,13 @@ - #include - #include - #include -+#include - #include - #include - #include - - #include - #include "dim2_hal.h" --#include "dim2_hdm.h" - #include "dim2_errors.h" - #include "dim2_sysfs.h" - -@@ -93,6 +94,9 @@ struct dim2_hdm { - struct most_interface most_iface; - char name[16 + sizeof "dim2-"]; - void __iomem *io_base; -+ u8 clk_speed; -+ struct clk *clk; -+ struct clk *clk_pll; - struct task_struct *netinfo_task; - wait_queue_head_t netinfo_waitq; - int deliver_netinfo; -@@ -102,6 +106,12 @@ struct dim2_hdm { - struct medialb_bus bus; - void (*on_netinfo)(struct most_interface *, - unsigned char, unsigned char *); -+ void (*disable_platform)(struct platform_device *); -+}; -+ -+struct dim2_platform_data { -+ int (*enable)(struct platform_device *); -+ void (*disable)(struct platform_device *); - }; - - #define iface_to_hdm(iface) container_of(iface, struct dim2_hdm, most_iface) -@@ -686,6 +696,8 @@ static void dma_free(struct mbo *mbo, u32 size) - dma_free_coherent(NULL, size, mbo->virt_address, mbo->bus_address); - } - -+static const struct of_device_id dim2_of_match[]; -+ - /* - * dim2_probe - dim2 probe handler - * @pdev: platform device structure -@@ -695,7 +707,7 @@ static void dma_free(struct mbo *mbo, u32 size) - */ - static int dim2_probe(struct platform_device *pdev) - { -- struct dim2_platform_data *pdata = pdev->dev.platform_data; -+ const struct dim2_platform_data *pdata; - struct dim2_hdm *dev; - struct resource *res; - int ret, i; -@@ -703,6 +715,8 @@ static int dim2_probe(struct platform_device *pdev) - u8 hal_ret; - int irq; - -+ enum { MLB_INT_IDX, AHB0_INT_IDX }; -+ - dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); - if (!dev) - return -ENOMEM; -@@ -710,29 +724,30 @@ static int dim2_probe(struct platform_device *pdev) - dev->atx_idx = -1; - - platform_set_drvdata(pdev, dev); -+ -+ dev->clk_speed = CLK_4096FS; -+ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - dev->io_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(dev->io_base)) - return PTR_ERR(dev->io_base); - -- if (!pdata) { -- dev_err(&pdev->dev, "missing platform data\n"); -- return -EINVAL; -- } -- -- ret = pdata->init ? pdata->init(pdata, dev->io_base) : 0; -+ pdata = of_match_node(dim2_of_match, pdev->dev.of_node)->data; -+ ret = pdata && pdata->enable ? pdata->enable(pdev) : 0; - if (ret) - return ret; - -+ dev->disable_platform = pdata ? pdata->disable : 0; -+ - dev_info(&pdev->dev, "sync: num of frames per sub-buffer: %u\n", fcnt); -- hal_ret = dim_startup(dev->io_base, pdata->clk_speed, fcnt); -+ hal_ret = dim_startup(dev->io_base, dev->clk_speed, fcnt); - if (hal_ret != DIM_NO_ERROR) { - dev_err(&pdev->dev, "dim_startup failed: %d\n", hal_ret); - ret = -ENODEV; -- goto err_bsp_destroy; -+ goto err_disable_platform; - } - -- irq = platform_get_irq(pdev, 0); -+ irq = platform_get_irq(pdev, AHB0_INT_IDX); - if (irq < 0) { - dev_err(&pdev->dev, "failed to get ahb0_int irq: %d\n", irq); - ret = irq; -@@ -746,7 +761,7 @@ static int dim2_probe(struct platform_device *pdev) - goto err_shutdown_dim; - } - -- irq = platform_get_irq(pdev, 1); -+ irq = platform_get_irq(pdev, MLB_INT_IDX); - if (irq < 0) { - dev_err(&pdev->dev, "failed to get mlb_int irq: %d\n", irq); - ret = irq; -@@ -832,9 +847,9 @@ static int dim2_probe(struct platform_device *pdev) - kthread_stop(dev->netinfo_task); - err_shutdown_dim: - dim_shutdown(); --err_bsp_destroy: -- if (pdata && pdata->destroy) -- pdata->destroy(pdata); -+err_disable_platform: -+ if (dev->disable_platform) -+ dev->disable_platform(pdev); - - return ret; - } -@@ -848,7 +863,6 @@ static int dim2_probe(struct platform_device *pdev) - static int dim2_remove(struct platform_device *pdev) - { - struct dim2_hdm *dev = platform_get_drvdata(pdev); -- struct dim2_platform_data *pdata = pdev->dev.platform_data; - unsigned long flags; - - dim2_sysfs_destroy(&dev->bus); -@@ -859,37 +873,187 @@ static int dim2_remove(struct platform_device *pdev) - dim_shutdown(); - spin_unlock_irqrestore(&dim_lock, flags); - -- if (pdata && pdata->destroy) -- pdata->destroy(pdata); -+ if (dev->disable_platform) -+ dev->disable_platform(pdev); -+ -+ return 0; -+} -+ -+/* platform specific functions [[ */ -+ -+static int fsl_mx6_enable(struct platform_device *pdev) -+{ -+ struct dim2_hdm *dev = platform_get_drvdata(pdev); -+ int ret; -+ -+ dev->clk = devm_clk_get(&pdev->dev, "mlb"); -+ if (IS_ERR_OR_NULL(dev->clk)) { -+ dev_err(&pdev->dev, "unable to get mlb clock\n"); -+ return -EFAULT; -+ } -+ -+ ret = clk_prepare_enable(dev->clk); -+ if (ret) { -+ dev_err(&pdev->dev, "%s\n", "clk_prepare_enable failed"); -+ return ret; -+ } -+ -+ if (dev->clk_speed >= CLK_2048FS) { -+ /* enable pll */ -+ dev->clk_pll = devm_clk_get(&pdev->dev, "pll8_mlb"); -+ if (IS_ERR_OR_NULL(dev->clk_pll)) { -+ dev_err(&pdev->dev, "unable to get mlb pll clock\n"); -+ clk_disable_unprepare(dev->clk); -+ return -EFAULT; -+ } -+ -+ writel(0x888, dev->io_base + 0x38); -+ clk_prepare_enable(dev->clk_pll); -+ } -+ -+ return 0; -+} -+ -+static void fsl_mx6_disable(struct platform_device *pdev) -+{ -+ struct dim2_hdm *dev = platform_get_drvdata(pdev); -+ -+ if (dev->clk_speed >= CLK_2048FS) -+ clk_disable_unprepare(dev->clk_pll); -+ -+ clk_disable_unprepare(dev->clk); -+} -+ -+static int rcar_h2_enable(struct platform_device *pdev) -+{ -+ struct dim2_hdm *dev = platform_get_drvdata(pdev); -+ int ret; -+ -+ dev->clk = devm_clk_get(&pdev->dev, NULL); -+ if (IS_ERR(dev->clk)) { -+ dev_err(&pdev->dev, "cannot get clock\n"); -+ return PTR_ERR(dev->clk); -+ } -+ -+ ret = clk_prepare_enable(dev->clk); -+ if (ret) { -+ dev_err(&pdev->dev, "%s\n", "clk_prepare_enable failed"); -+ return ret; -+ } -+ -+ if (dev->clk_speed >= CLK_2048FS) { -+ /* enable MLP pll and LVDS drivers */ -+ writel(0x03, dev->io_base + 0x600); -+ /* set bias */ -+ writel(0x888, dev->io_base + 0x38); -+ } else { -+ /* PLL */ -+ writel(0x04, dev->io_base + 0x600); -+ } -+ - -- /* -- * break link to local platform_device_id struct -- * to prevent crash by unload platform device module -- */ -- pdev->id_entry = NULL; -+ /* BBCR = 0b11 */ -+ writel(0x03, dev->io_base + 0x500); -+ writel(0x0002FF02, dev->io_base + 0x508); - - return 0; - } - --static const struct platform_device_id dim2_id[] = { -- { "medialb_dim2" }, -- { }, /* Terminating entry */ -+static void rcar_h2_disable(struct platform_device *pdev) -+{ -+ struct dim2_hdm *dev = platform_get_drvdata(pdev); -+ -+ clk_disable_unprepare(dev->clk); -+ -+ /* disable PLLs and LVDS drivers */ -+ writel(0x0, dev->io_base + 0x600); -+} -+ -+static int rcar_m3_enable(struct platform_device *pdev) -+{ -+ struct dim2_hdm *dev = platform_get_drvdata(pdev); -+ u32 enable_512fs = dev->clk_speed == CLK_512FS; -+ int ret; -+ -+ dev->clk = devm_clk_get(&pdev->dev, NULL); -+ if (IS_ERR(dev->clk)) { -+ dev_err(&pdev->dev, "cannot get clock\n"); -+ return PTR_ERR(dev->clk); -+ } -+ -+ ret = clk_prepare_enable(dev->clk); -+ if (ret) { -+ dev_err(&pdev->dev, "%s\n", "clk_prepare_enable failed"); -+ return ret; -+ } -+ -+ /* PLL */ -+ writel(0x04, dev->io_base + 0x600); -+ -+ writel(enable_512fs, dev->io_base + 0x604); -+ -+ /* BBCR = 0b11 */ -+ writel(0x03, dev->io_base + 0x500); -+ writel(0x0002FF02, dev->io_base + 0x508); -+ -+ return 0; -+} -+ -+static void rcar_m3_disable(struct platform_device *pdev) -+{ -+ struct dim2_hdm *dev = platform_get_drvdata(pdev); -+ -+ clk_disable_unprepare(dev->clk); -+ -+ /* disable PLLs and LVDS drivers */ -+ writel(0x0, dev->io_base + 0x600); -+} -+ -+/* ]] platform specific functions */ -+ -+enum dim2_platforms { FSL_MX6, RCAR_H2, RCAR_M3 }; -+ -+static struct dim2_platform_data plat_data[] = { -+ [FSL_MX6] = { .enable = fsl_mx6_enable, .disable = fsl_mx6_disable }, -+ [RCAR_H2] = { .enable = rcar_h2_enable, .disable = rcar_h2_disable }, -+ [RCAR_M3] = { .enable = rcar_m3_enable, .disable = rcar_m3_disable }, -+}; -+ -+static const struct of_device_id dim2_of_match[] = { -+ { -+ .compatible = "fsl,imx6q-mlb150", -+ .data = plat_data + FSL_MX6 -+ }, -+ { -+ .compatible = "renesas,mlp", -+ .data = plat_data + RCAR_H2 -+ }, -+ { -+ .compatible = "rcar,medialb-dim2", -+ .data = plat_data + RCAR_M3 -+ }, -+ { -+ .compatible = "xlnx,axi4-os62420_3pin-1.00.a", -+ }, -+ { -+ .compatible = "xlnx,axi4-os62420_6pin-1.00.a", -+ }, -+ {}, - }; - --MODULE_DEVICE_TABLE(platform, dim2_id); -+MODULE_DEVICE_TABLE(of, dim2_of_match); - - static struct platform_driver dim2_driver = { - .probe = dim2_probe, - .remove = dim2_remove, -- .id_table = dim2_id, - .driver = { - .name = "hdm_dim2", -+ .of_match_table = dim2_of_match, - }, - }; - - module_platform_driver(dim2_driver); - --MODULE_AUTHOR("Jain Roy Ambi "); - MODULE_AUTHOR("Andrey Shvetsov "); - MODULE_DESCRIPTION("MediaLB DIM2 Hardware Dependent Module"); - MODULE_LICENSE("GPL"); -libgit2 0.26.0