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Merge tag 'i2c-bugfixes-for-v2020.10' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c
i2c bugfixes for v2020.10 - fix some issues with octeon_i2c driver on ARM Octeon TX2 - fix link failure with CONFIG_SPL and CONFIG_I2C_MUX_PCA954x
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commit
ec54217ddc
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@ -46,4 +46,4 @@ obj-$(CONFIG_SYS_I2C_VERSATILE) += i2c-versatile.o
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obj-$(CONFIG_SYS_I2C_XILINX_XIIC) += xilinx_xiic.o
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obj-$(CONFIG_TEGRA186_BPMP_I2C) += tegra186_bpmp_i2c.o
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obj-$(CONFIG_I2C_MUX) += muxes/
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obj-$(CONFIG_$(SPL_)I2C_MUX) += muxes/
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@ -2,6 +2,6 @@
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#
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# Copyright (c) 2015 Google, Inc
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obj-$(CONFIG_I2C_ARB_GPIO_CHALLENGE) += i2c-arb-gpio-challenge.o
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obj-$(CONFIG_$(SPL_)I2C_MUX) += i2c-mux-uclass.o
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obj-$(CONFIG_I2C_MUX) += i2c-mux-uclass.o
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obj-$(CONFIG_I2C_MUX_PCA954x) += pca954x.o
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obj-$(CONFIG_I2C_MUX_GPIO) += i2c-mux-gpio.o
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@ -3,11 +3,10 @@
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* Copyright (C) 2018 Marvell International Ltd.
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*/
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#include <common.h>
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#include <clk.h>
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#include <dm.h>
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#include <i2c.h>
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#include <pci_ids.h>
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#include <time.h>
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#include <asm/io.h>
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#include <linux/bitfield.h>
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#include <linux/compat.h>
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@ -749,6 +748,27 @@ static int octeon_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
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return 0;
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}
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static const struct octeon_i2c_data i2c_octeon_data = {
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.probe = PROBE_DT,
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.reg_offs = 0x0000,
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.thp = 3,
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.clk_method = CLK_METHOD_OCTEON,
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};
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static const struct octeon_i2c_data i2c_octeontx_data = {
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.probe = PROBE_PCI,
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.reg_offs = 0x1000,
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.thp = 24,
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.clk_method = CLK_METHOD_OCTEON,
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};
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static const struct octeon_i2c_data i2c_octeontx2_data = {
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.probe = PROBE_PCI,
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.reg_offs = 0x1000,
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.thp = 3,
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.clk_method = CLK_METHOD_OCTEONTX2,
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};
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/**
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* Driver probe function
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*
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@ -761,6 +781,10 @@ static int octeon_i2c_probe(struct udevice *dev)
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u32 i2c_slave_addr;
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int ret;
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/* Octeon TX2 needs a different data struct */
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if (device_is_compatible(dev, "cavium,thunderx-i2c"))
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dev->driver_data = (long)&i2c_octeontx2_data;
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twsi->data = (const struct octeon_i2c_data *)dev_get_driver_data(dev);
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if (twsi->data->probe == PROBE_PCI) {
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@ -798,34 +822,11 @@ static const struct dm_i2c_ops octeon_i2c_ops = {
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.set_bus_speed = octeon_i2c_set_bus_speed,
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};
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static const struct octeon_i2c_data i2c_octeon_data = {
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.probe = PROBE_DT,
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.reg_offs = 0x0000,
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.thp = 3,
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.clk_method = CLK_METHOD_OCTEON,
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};
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static const struct octeon_i2c_data i2c_octeontx_data = {
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.probe = PROBE_PCI,
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.reg_offs = 0x8000,
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.thp = 3,
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.clk_method = CLK_METHOD_OCTEON,
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};
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static const struct octeon_i2c_data i2c_octeontx2_data = {
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.probe = PROBE_PCI,
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.reg_offs = 0x8000,
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.thp = 24,
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.clk_method = CLK_METHOD_OCTEONTX2,
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};
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static const struct udevice_id octeon_i2c_ids[] = {
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{ .compatible = "cavium,octeon-7890-twsi",
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.data = (ulong)&i2c_octeon_data },
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{ .compatible = "cavium,thunder-8890-twsi",
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.data = (ulong)&i2c_octeontx_data },
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{ .compatible = "cavium,thunder2-99xx-twsi",
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.data = (ulong)&i2c_octeontx2_data },
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{ }
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};
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@ -837,11 +838,3 @@ U_BOOT_DRIVER(octeon_pci_twsi) = {
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.priv_auto_alloc_size = sizeof(struct octeon_twsi),
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.ops = &octeon_i2c_ops,
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};
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static struct pci_device_id octeon_twsi_supported[] = {
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{ PCI_VDEVICE(CAVIUM, PCI_DEVICE_ID_CAVIUM_TWSI),
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.driver_data = (ulong)&i2c_octeontx2_data },
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{ },
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};
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U_BOOT_PCI_DEVICE(octeon_pci_twsi, octeon_twsi_supported);
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