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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/video/fbdev/clps711x-fb.c
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
linux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.zip
Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to 'drivers/video/fbdev/clps711x-fb.c')
-rw-r--r--drivers/video/fbdev/clps711x-fb.c394
1 files changed, 394 insertions, 0 deletions
diff --git a/drivers/video/fbdev/clps711x-fb.c b/drivers/video/fbdev/clps711x-fb.c
new file mode 100644
index 000000000..a1061c2f1
--- /dev/null
+++ b/drivers/video/fbdev/clps711x-fb.c
@@ -0,0 +1,394 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Cirrus Logic CLPS711X FB driver
+ *
+ * Copyright (C) 2014 Alexander Shiyan <shc_work@mail.ru>
+ * Based on driver by Russell King <rmk@arm.linux.org.uk>
+ */
+
+#include <linux/clk.h>
+#include <linux/fb.h>
+#include <linux/io.h>
+#include <linux/lcd.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
+#include <linux/mfd/syscon/clps711x.h>
+#include <linux/regulator/consumer.h>
+#include <video/of_display_timing.h>
+
+#define CLPS711X_FB_NAME "clps711x-fb"
+#define CLPS711X_FB_BPP_MAX (4)
+
+/* Registers relative to LCDCON */
+#define CLPS711X_LCDCON (0x0000)
+# define LCDCON_GSEN BIT(30)
+# define LCDCON_GSMD BIT(31)
+#define CLPS711X_PALLSW (0x0280)
+#define CLPS711X_PALMSW (0x02c0)
+#define CLPS711X_FBADDR (0x0d40)
+
+struct clps711x_fb_info {
+ struct clk *clk;
+ void __iomem *base;
+ struct regmap *syscon;
+ resource_size_t buffsize;
+ struct fb_videomode mode;
+ struct regulator *lcd_pwr;
+ u32 ac_prescale;
+ bool cmap_invert;
+};
+
+static int clps711x_fb_setcolreg(u_int regno, u_int red, u_int green,
+ u_int blue, u_int transp, struct fb_info *info)
+{
+ struct clps711x_fb_info *cfb = info->par;
+ u32 level, mask, shift;
+
+ if (regno >= BIT(info->var.bits_per_pixel))
+ return -EINVAL;
+
+ shift = 4 * (regno & 7);
+ mask = 0xf << shift;
+ /* gray = 0.30*R + 0.58*G + 0.11*B */
+ level = (((red * 77 + green * 151 + blue * 28) >> 20) << shift) & mask;
+ if (cfb->cmap_invert)
+ level = 0xf - level;
+
+ regno = (regno < 8) ? CLPS711X_PALLSW : CLPS711X_PALMSW;
+
+ writel((readl(cfb->base + regno) & ~mask) | level, cfb->base + regno);
+
+ return 0;
+}
+
+static int clps711x_fb_check_var(struct fb_var_screeninfo *var,
+ struct fb_info *info)
+{
+ u32 val;
+
+ if (var->bits_per_pixel < 1 ||
+ var->bits_per_pixel > CLPS711X_FB_BPP_MAX)
+ return -EINVAL;
+
+ if (!var->pixclock)
+ return -EINVAL;
+
+ val = DIV_ROUND_UP(var->xres, 16) - 1;
+ if (val < 0x01 || val > 0x3f)
+ return -EINVAL;
+
+ val = DIV_ROUND_UP(var->yres * var->xres * var->bits_per_pixel, 128);
+ val--;
+ if (val < 0x001 || val > 0x1fff)
+ return -EINVAL;
+
+ var->transp.msb_right = 0;
+ var->transp.offset = 0;
+ var->transp.length = 0;
+ var->red.msb_right = 0;
+ var->red.offset = 0;
+ var->red.length = var->bits_per_pixel;
+ var->green = var->red;
+ var->blue = var->red;
+ var->grayscale = var->bits_per_pixel > 1;
+
+ return 0;
+}
+
+static int clps711x_fb_set_par(struct fb_info *info)
+{
+ struct clps711x_fb_info *cfb = info->par;
+ resource_size_t size;
+ u32 lcdcon, pps;
+
+ size = (info->var.xres * info->var.yres * info->var.bits_per_pixel) / 8;
+ if (size > cfb->buffsize)
+ return -EINVAL;
+
+ switch (info->var.bits_per_pixel) {
+ case 1:
+ info->fix.visual = FB_VISUAL_MONO01;
+ break;
+ case 2:
+ case 4:
+ info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ info->fix.line_length = info->var.xres * info->var.bits_per_pixel / 8;
+ info->fix.smem_len = size;
+
+ lcdcon = (info->var.xres * info->var.yres *
+ info->var.bits_per_pixel) / 128 - 1;
+ lcdcon |= ((info->var.xres / 16) - 1) << 13;
+ lcdcon |= (cfb->ac_prescale & 0x1f) << 25;
+
+ pps = clk_get_rate(cfb->clk) / (PICOS2KHZ(info->var.pixclock) * 1000);
+ if (pps)
+ pps--;
+ lcdcon |= (pps & 0x3f) << 19;
+
+ if (info->var.bits_per_pixel == 4)
+ lcdcon |= LCDCON_GSMD;
+ if (info->var.bits_per_pixel >= 2)
+ lcdcon |= LCDCON_GSEN;
+
+ /* LCDCON must only be changed while the LCD is disabled */
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET, SYSCON1_LCDEN, 0);
+ writel(lcdcon, cfb->base + CLPS711X_LCDCON);
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET,
+ SYSCON1_LCDEN, SYSCON1_LCDEN);
+
+ return 0;
+}
+
+static int clps711x_fb_blank(int blank, struct fb_info *info)
+{
+ /* Return happy */
+ return 0;
+}
+
+static const struct fb_ops clps711x_fb_ops = {
+ .owner = THIS_MODULE,
+ .fb_setcolreg = clps711x_fb_setcolreg,
+ .fb_check_var = clps711x_fb_check_var,
+ .fb_set_par = clps711x_fb_set_par,
+ .fb_blank = clps711x_fb_blank,
+ .fb_fillrect = sys_fillrect,
+ .fb_copyarea = sys_copyarea,
+ .fb_imageblit = sys_imageblit,
+};
+
+static int clps711x_lcd_check_fb(struct lcd_device *lcddev, struct fb_info *fi)
+{
+ struct clps711x_fb_info *cfb = dev_get_drvdata(&lcddev->dev);
+
+ return (!fi || fi->par == cfb) ? 1 : 0;
+}
+
+static int clps711x_lcd_get_power(struct lcd_device *lcddev)
+{
+ struct clps711x_fb_info *cfb = dev_get_drvdata(&lcddev->dev);
+
+ if (!IS_ERR_OR_NULL(cfb->lcd_pwr))
+ if (!regulator_is_enabled(cfb->lcd_pwr))
+ return FB_BLANK_NORMAL;
+
+ return FB_BLANK_UNBLANK;
+}
+
+static int clps711x_lcd_set_power(struct lcd_device *lcddev, int blank)
+{
+ struct clps711x_fb_info *cfb = dev_get_drvdata(&lcddev->dev);
+
+ if (!IS_ERR_OR_NULL(cfb->lcd_pwr)) {
+ if (blank == FB_BLANK_UNBLANK) {
+ if (!regulator_is_enabled(cfb->lcd_pwr))
+ return regulator_enable(cfb->lcd_pwr);
+ } else {
+ if (regulator_is_enabled(cfb->lcd_pwr))
+ return regulator_disable(cfb->lcd_pwr);
+ }
+ }
+
+ return 0;
+}
+
+static struct lcd_ops clps711x_lcd_ops = {
+ .check_fb = clps711x_lcd_check_fb,
+ .get_power = clps711x_lcd_get_power,
+ .set_power = clps711x_lcd_set_power,
+};
+
+static int clps711x_fb_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *disp, *np = dev->of_node;
+ struct clps711x_fb_info *cfb;
+ struct lcd_device *lcd;
+ struct fb_info *info;
+ struct resource *res;
+ int ret = -ENOENT;
+ u32 val;
+
+ if (fb_get_options(CLPS711X_FB_NAME, NULL))
+ return -ENODEV;
+
+ info = framebuffer_alloc(sizeof(*cfb), dev);
+ if (!info)
+ return -ENOMEM;
+
+ cfb = info->par;
+ platform_set_drvdata(pdev, info);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ goto out_fb_release;
+ cfb->base = devm_ioremap(dev, res->start, resource_size(res));
+ if (!cfb->base) {
+ ret = -ENOMEM;
+ goto out_fb_release;
+ }
+
+ info->fix.mmio_start = res->start;
+ info->fix.mmio_len = resource_size(res);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ info->screen_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(info->screen_base)) {
+ ret = PTR_ERR(info->screen_base);
+ goto out_fb_release;
+ }
+
+ /* Physical address should be aligned to 256 MiB */
+ if (res->start & 0x0fffffff) {
+ ret = -EINVAL;
+ goto out_fb_release;
+ }
+
+ info->apertures = alloc_apertures(1);
+ if (!info->apertures) {
+ ret = -ENOMEM;
+ goto out_fb_release;
+ }
+
+ cfb->buffsize = resource_size(res);
+ info->fix.smem_start = res->start;
+ info->apertures->ranges[0].base = info->fix.smem_start;
+ info->apertures->ranges[0].size = cfb->buffsize;
+
+ cfb->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(cfb->clk)) {
+ ret = PTR_ERR(cfb->clk);
+ goto out_fb_release;
+ }
+
+ cfb->syscon = syscon_regmap_lookup_by_phandle(np, "syscon");
+ if (IS_ERR(cfb->syscon)) {
+ ret = PTR_ERR(cfb->syscon);
+ goto out_fb_release;
+ }
+
+ disp = of_parse_phandle(np, "display", 0);
+ if (!disp) {
+ dev_err(&pdev->dev, "No display defined\n");
+ ret = -ENODATA;
+ goto out_fb_release;
+ }
+
+ ret = of_get_fb_videomode(disp, &cfb->mode, OF_USE_NATIVE_MODE);
+ if (ret) {
+ of_node_put(disp);
+ goto out_fb_release;
+ }
+
+ of_property_read_u32(disp, "ac-prescale", &cfb->ac_prescale);
+ cfb->cmap_invert = of_property_read_bool(disp, "cmap-invert");
+
+ ret = of_property_read_u32(disp, "bits-per-pixel",
+ &info->var.bits_per_pixel);
+ of_node_put(disp);
+ if (ret)
+ goto out_fb_release;
+
+ /* Force disable LCD on any mismatch */
+ if (info->fix.smem_start != (readb(cfb->base + CLPS711X_FBADDR) << 28))
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET,
+ SYSCON1_LCDEN, 0);
+
+ ret = regmap_read(cfb->syscon, SYSCON_OFFSET, &val);
+ if (ret)
+ goto out_fb_release;
+
+ if (!(val & SYSCON1_LCDEN)) {
+ /* Setup start FB address */
+ writeb(info->fix.smem_start >> 28, cfb->base + CLPS711X_FBADDR);
+ /* Clean FB memory */
+ memset_io(info->screen_base, 0, cfb->buffsize);
+ }
+
+ cfb->lcd_pwr = devm_regulator_get(dev, "lcd");
+ if (PTR_ERR(cfb->lcd_pwr) == -EPROBE_DEFER) {
+ ret = -EPROBE_DEFER;
+ goto out_fb_release;
+ }
+
+ info->fbops = &clps711x_fb_ops;
+ info->flags = FBINFO_DEFAULT;
+ info->var.activate = FB_ACTIVATE_FORCE | FB_ACTIVATE_NOW;
+ info->var.height = -1;
+ info->var.width = -1;
+ info->var.vmode = FB_VMODE_NONINTERLACED;
+ info->fix.type = FB_TYPE_PACKED_PIXELS;
+ info->fix.accel = FB_ACCEL_NONE;
+ strscpy(info->fix.id, CLPS711X_FB_NAME, sizeof(info->fix.id));
+ fb_videomode_to_var(&info->var, &cfb->mode);
+
+ ret = fb_alloc_cmap(&info->cmap, BIT(CLPS711X_FB_BPP_MAX), 0);
+ if (ret)
+ goto out_fb_release;
+
+ ret = fb_set_var(info, &info->var);
+ if (ret)
+ goto out_fb_dealloc_cmap;
+
+ ret = register_framebuffer(info);
+ if (ret)
+ goto out_fb_dealloc_cmap;
+
+ lcd = devm_lcd_device_register(dev, "clps711x-lcd", dev, cfb,
+ &clps711x_lcd_ops);
+ if (!IS_ERR(lcd))
+ return 0;
+
+ ret = PTR_ERR(lcd);
+ unregister_framebuffer(info);
+
+out_fb_dealloc_cmap:
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET, SYSCON1_LCDEN, 0);
+ fb_dealloc_cmap(&info->cmap);
+
+out_fb_release:
+ framebuffer_release(info);
+
+ return ret;
+}
+
+static int clps711x_fb_remove(struct platform_device *pdev)
+{
+ struct fb_info *info = platform_get_drvdata(pdev);
+ struct clps711x_fb_info *cfb = info->par;
+
+ regmap_update_bits(cfb->syscon, SYSCON_OFFSET, SYSCON1_LCDEN, 0);
+
+ unregister_framebuffer(info);
+ fb_dealloc_cmap(&info->cmap);
+ framebuffer_release(info);
+
+ return 0;
+}
+
+static const struct of_device_id clps711x_fb_dt_ids[] = {
+ { .compatible = "cirrus,ep7209-fb", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, clps711x_fb_dt_ids);
+
+static struct platform_driver clps711x_fb_driver = {
+ .driver = {
+ .name = CLPS711X_FB_NAME,
+ .of_match_table = clps711x_fb_dt_ids,
+ },
+ .probe = clps711x_fb_probe,
+ .remove = clps711x_fb_remove,
+};
+module_platform_driver(clps711x_fb_driver);
+
+MODULE_AUTHOR("Alexander Shiyan <shc_work@mail.ru>");
+MODULE_DESCRIPTION("Cirrus Logic CLPS711X FB driver");
+MODULE_LICENSE("GPL");