Commit 5bebe2c9 authored by Linus Torvalds's avatar Linus Torvalds

Merge tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "MMC core:
   - Convert to sysfs_emit() in favor of sprintf()

   - Improve fallback to speed modes if eMMC HS200 fails

  MMC host:
   - dw_mmc: Allow variants to set minimal supported clock rate

   - dw-mmc-rockchip: Fix problems with invalid clock rates

   - litex_mmc: Add new DT based driver for the LiteX's LiteSDCard
     interface

   - litex_mmc: Add Gabriel Somlo and Joel Stanley as co-maintainers for
     LiteX

   - mtk-sd: Add support for the Mediatek MT8186 variant

   - renesas_sdhi: Add support for RZ/G2UL variant

   - renesas_sdhi: Add support for RZ/V2L variant

   - rtsx_pci: Adjust power-on sequence to conform to the SD spec

   - sdhci-am654: Add support for TI's AM62 variant

   - sdhci_am654: Fixup support for TI's AM64 variant

   - sdhci-esdhc-imx: Add support for the imx93 variant

   - sdhci-msm: Add support for the msm8953 variant

   - sdhci-pci-gli: Add support for runtime PM for the GL9763E variant

   - sdhci-pci-gli: Adjustments of the SSC function for the GL975x
     variants

   - sdhci-tegra: Add support for wake on SD card event

   - sunxi-mmc: Add support for Allwinner's F1c100s variant

   - sunxi-mmc: Add support for D1 MMC variant"

* tag 'mmc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (37 commits)
  dt-bindings: mmc: renesas,sdhi: Document RZ/G2UL SoC
  mmc: tmio: remove outdated members from host struct
  mmc: mtk-sd: Silence delay phase calculation debug log
  mmc: davinci_mmc: Handle error for clk_enable
  mmc: sdhci-pci-gli: Add runtime PM for GL9763E
  mmc: core: Drop HS400 caps unless 8-bit bus is supported too
  mmc: host: Return an error when ->enable_sdio_irq() ops is missing
  mmc: core: Improve fallback to speed modes if eMMC HS200 fails
  dt-bindings: mmc: sunxi: add Allwinner F1c100s compatible
  mmc: dw-mmc-rockchip: Fix handling invalid clock rates
  mmc: dw_mmc: Support setting f_min from host drivers
  mmc: host: Drop commas after SoC match table sentinels
  mmc: rtsx: add 74 Clocks in power on flow
  dt-bindings: mmc: renesas,sdhi: Document RZ/V2L SoC
  mmc: sh_mmcif: Simplify division/shift logic
  mmc: sdhci_am654: Add Support for TI's AM62 SoC
  dt-bindings: mmc: imx-esdhc: Add imx93 compatible string
  dt-bindings: mmc: sdhci-am654: Add compatible string for AM62 SoC
  mmc: sdhci_am654: Fix the driver data of AM64 SoC
  mmc: core: use sysfs_emit() instead of sprintf()
  ...
parents c7d4b153 dc3d879c
...@@ -24,6 +24,7 @@ properties: ...@@ -24,6 +24,7 @@ properties:
- const: allwinner,sun7i-a20-mmc - const: allwinner,sun7i-a20-mmc
- const: allwinner,sun8i-a83t-emmc - const: allwinner,sun8i-a83t-emmc
- const: allwinner,sun9i-a80-mmc - const: allwinner,sun9i-a80-mmc
- const: allwinner,sun20i-d1-mmc
- const: allwinner,sun50i-a64-emmc - const: allwinner,sun50i-a64-emmc
- const: allwinner,sun50i-a64-mmc - const: allwinner,sun50i-a64-mmc
- const: allwinner,sun50i-a100-emmc - const: allwinner,sun50i-a100-emmc
...@@ -49,12 +50,18 @@ properties: ...@@ -49,12 +50,18 @@ properties:
- items: - items:
- const: allwinner,sun50i-h6-mmc - const: allwinner,sun50i-h6-mmc
- const: allwinner,sun50i-a64-mmc - const: allwinner,sun50i-a64-mmc
- items:
- const: allwinner,sun20i-d1-emmc
- const: allwinner,sun50i-a100-emmc
- items: - items:
- const: allwinner,sun50i-h616-emmc - const: allwinner,sun50i-h616-emmc
- const: allwinner,sun50i-a100-emmc - const: allwinner,sun50i-a100-emmc
- items: - items:
- const: allwinner,sun50i-h616-mmc - const: allwinner,sun50i-h616-mmc
- const: allwinner,sun50i-a100-mmc - const: allwinner,sun50i-a100-mmc
- items:
- const: allwinner,suniv-f1c100s-mmc
- const: allwinner,sun7i-a20-mmc
reg: reg:
maxItems: 1 maxItems: 1
......
...@@ -47,6 +47,7 @@ properties: ...@@ -47,6 +47,7 @@ properties:
- const: fsl,imx7d-usdhc - const: fsl,imx7d-usdhc
- items: - items:
- enum: - enum:
- fsl,imx93-usdhc
- fsl,imx8ulp-usdhc - fsl,imx8ulp-usdhc
- const: fsl,imx8mm-usdhc - const: fsl,imx8mm-usdhc
......
# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/mmc/litex,mmc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: LiteX LiteSDCard device
maintainers:
- Gabriel Somlo <gsomlo@gmail.com>
description: |
LiteSDCard is a small footprint, configurable SDCard core for FPGA based
system on chips.
The hardware source is Open Source and can be found on at
https://github.com/enjoy-digital/litesdcard/.
allOf:
- $ref: mmc-controller.yaml#
properties:
compatible:
const: litex,mmc
reg:
items:
- description: PHY registers
- description: CORE registers
- description: DMA Reader buffer
- description: DMA Writer buffer
- description: IRQ registers
minItems: 4
reg-names:
items:
- const: phy
- const: core
- const: reader
- const: writer
- const: irq
minItems: 4
clocks:
maxItems: 1
description:
Handle to reference clock.
vmmc-supply:
description:
Handle to fixed-voltage supply for the card power.
interrupts:
maxItems: 1
required:
- compatible
- reg
- reg-names
- clocks
- vmmc-supply
additionalProperties: false
examples:
- |
mmc: mmc@12005000 {
compatible = "litex,mmc";
reg = <0x12005000 0x100>,
<0x12003800 0x100>,
<0x12003000 0x100>,
<0x12004800 0x100>,
<0x12004000 0x100>;
reg-names = "phy", "core", "reader", "writer", "irq";
clocks = <&reference_clk>;
vmmc-supply = <&vreg_mmc>;
interrupts = <4>;
};
...@@ -29,6 +29,9 @@ properties: ...@@ -29,6 +29,9 @@ properties:
- items: - items:
- const: mediatek,mt7623-mmc - const: mediatek,mt7623-mmc
- const: mediatek,mt2701-mmc - const: mediatek,mt2701-mmc
- items:
- const: mediatek,mt8186-mmc
- const: mediatek,mt8183-mmc
- items: - items:
- const: mediatek,mt8192-mmc - const: mediatek,mt8192-mmc
- const: mediatek,mt8183-mmc - const: mediatek,mt8183-mmc
......
...@@ -57,7 +57,9 @@ properties: ...@@ -57,7 +57,9 @@ properties:
- renesas,sdhi-r8a77990 # R-Car E3 - renesas,sdhi-r8a77990 # R-Car E3
- renesas,sdhi-r8a77995 # R-Car D3 - renesas,sdhi-r8a77995 # R-Car D3
- renesas,sdhi-r8a779a0 # R-Car V3U - renesas,sdhi-r8a779a0 # R-Car V3U
- renesas,sdhi-r9a07g043 # RZ/G2UL
- renesas,sdhi-r9a07g044 # RZ/G2{L,LC} - renesas,sdhi-r9a07g044 # RZ/G2{L,LC}
- renesas,sdhi-r9a07g054 # RZ/V2L
- const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2 - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
reg: reg:
...@@ -107,7 +109,10 @@ allOf: ...@@ -107,7 +109,10 @@ allOf:
properties: properties:
compatible: compatible:
contains: contains:
const: renesas,sdhi-r9a07g044 enum:
- renesas,sdhi-r9a07g043
- renesas,sdhi-r9a07g044
- renesas,sdhi-r9a07g054
then: then:
properties: properties:
clocks: clocks:
......
...@@ -21,6 +21,7 @@ properties: ...@@ -21,6 +21,7 @@ properties:
- const: ti,j721e-sdhci-4bit - const: ti,j721e-sdhci-4bit
- const: ti,am64-sdhci-8bit - const: ti,am64-sdhci-8bit
- const: ti,am64-sdhci-4bit - const: ti,am64-sdhci-4bit
- const: ti,am62-sdhci
- items: - items:
- const: ti,j7200-sdhci-8bit - const: ti,j7200-sdhci-8bit
- const: ti,j721e-sdhci-8bit - const: ti,j721e-sdhci-8bit
......
...@@ -14,6 +14,7 @@ Required properties: ...@@ -14,6 +14,7 @@ Required properties:
full compatible strings with SoC and version: full compatible strings with SoC and version:
"qcom,apq8084-sdhci", "qcom,sdhci-msm-v4" "qcom,apq8084-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8226-sdhci", "qcom,sdhci-msm-v4" "qcom,msm8226-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8953-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8974-sdhci", "qcom,sdhci-msm-v4" "qcom,msm8974-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8916-sdhci", "qcom,sdhci-msm-v4" "qcom,msm8916-sdhci", "qcom,sdhci-msm-v4"
"qcom,msm8992-sdhci", "qcom,sdhci-msm-v4" "qcom,msm8992-sdhci", "qcom,sdhci-msm-v4"
......
...@@ -11158,12 +11158,17 @@ F: lib/list-test.c ...@@ -11158,12 +11158,17 @@ F: lib/list-test.c
LITEX PLATFORM LITEX PLATFORM
M: Karol Gugala <kgugala@antmicro.com> M: Karol Gugala <kgugala@antmicro.com>
M: Mateusz Holenko <mholenko@antmicro.com> M: Mateusz Holenko <mholenko@antmicro.com>
M: Gabriel Somlo <gsomlo@gmail.com>
M: Joel Stanley <joel@jms.id.au>
S: Maintained S: Maintained
F: Documentation/devicetree/bindings/*/litex,*.yaml F: Documentation/devicetree/bindings/*/litex,*.yaml
F: arch/openrisc/boot/dts/or1klitex.dts F: arch/openrisc/boot/dts/or1klitex.dts
F: drivers/soc/litex/litex_soc_ctrl.c
F: drivers/tty/serial/liteuart.c
F: include/linux/litex.h F: include/linux/litex.h
F: drivers/tty/serial/liteuart.c
F: drivers/soc/litex/*
F: drivers/net/ethernet/litex/*
F: drivers/mmc/host/litex_mmc.c
N: litex
LIVE PATCHING LIVE PATCHING
M: Josh Poimboeuf <jpoimboe@redhat.com> M: Josh Poimboeuf <jpoimboe@redhat.com>
......
...@@ -15,6 +15,7 @@ ...@@ -15,6 +15,7 @@
#include <linux/stat.h> #include <linux/stat.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/sysfs.h>
#include <linux/mmc/card.h> #include <linux/mmc/card.h>
#include <linux/mmc/host.h> #include <linux/mmc/host.h>
...@@ -34,13 +35,13 @@ static ssize_t type_show(struct device *dev, ...@@ -34,13 +35,13 @@ static ssize_t type_show(struct device *dev,
switch (card->type) { switch (card->type) {
case MMC_TYPE_MMC: case MMC_TYPE_MMC:
return sprintf(buf, "MMC\n"); return sysfs_emit(buf, "MMC\n");
case MMC_TYPE_SD: case MMC_TYPE_SD:
return sprintf(buf, "SD\n"); return sysfs_emit(buf, "SD\n");
case MMC_TYPE_SDIO: case MMC_TYPE_SDIO:
return sprintf(buf, "SDIO\n"); return sysfs_emit(buf, "SDIO\n");
case MMC_TYPE_SD_COMBO: case MMC_TYPE_SD_COMBO:
return sprintf(buf, "SDcombo\n"); return sysfs_emit(buf, "SDcombo\n");
default: default:
return -EFAULT; return -EFAULT;
} }
......
...@@ -9,6 +9,7 @@ ...@@ -9,6 +9,7 @@
#define _MMC_CORE_BUS_H #define _MMC_CORE_BUS_H
#include <linux/device.h> #include <linux/device.h>
#include <linux/sysfs.h>
struct mmc_host; struct mmc_host;
struct mmc_card; struct mmc_card;
...@@ -17,7 +18,7 @@ struct mmc_card; ...@@ -17,7 +18,7 @@ struct mmc_card;
static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
{ \ { \
struct mmc_card *card = mmc_dev_to_card(dev); \ struct mmc_card *card = mmc_dev_to_card(dev); \
return sprintf(buf, fmt, args); \ return sysfs_emit(buf, fmt, args); \
} \ } \
static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL) static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
......
...@@ -588,6 +588,25 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev) ...@@ -588,6 +588,25 @@ struct mmc_host *mmc_alloc_host(int extra, struct device *dev)
EXPORT_SYMBOL(mmc_alloc_host); EXPORT_SYMBOL(mmc_alloc_host);
static int mmc_validate_host_caps(struct mmc_host *host)
{
struct device *dev = host->parent;
u32 caps = host->caps, caps2 = host->caps2;
if (caps & MMC_CAP_SDIO_IRQ && !host->ops->enable_sdio_irq) {
dev_warn(dev, "missing ->enable_sdio_irq() ops\n");
return -EINVAL;
}
if (caps2 & (MMC_CAP2_HS400_ES | MMC_CAP2_HS400) &&
!(caps & MMC_CAP_8_BIT_DATA)) {
dev_warn(dev, "drop HS400 support since no 8-bit bus\n");
host->caps2 = caps2 & ~MMC_CAP2_HS400_ES & ~MMC_CAP2_HS400;
}
return 0;
}
/** /**
* mmc_add_host - initialise host hardware * mmc_add_host - initialise host hardware
* @host: mmc host * @host: mmc host
...@@ -600,8 +619,9 @@ int mmc_add_host(struct mmc_host *host) ...@@ -600,8 +619,9 @@ int mmc_add_host(struct mmc_host *host)
{ {
int err; int err;
WARN_ON((host->caps & MMC_CAP_SDIO_IRQ) && err = mmc_validate_host_caps(host);
!host->ops->enable_sdio_irq); if (err)
return err;
err = device_add(&host->class_dev); err = device_add(&host->class_dev);
if (err) if (err)
......
...@@ -12,6 +12,7 @@ ...@@ -12,6 +12,7 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/stat.h> #include <linux/stat.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/sysfs.h>
#include <linux/mmc/host.h> #include <linux/mmc/host.h>
#include <linux/mmc/card.h> #include <linux/mmc/card.h>
...@@ -812,12 +813,11 @@ static ssize_t mmc_fwrev_show(struct device *dev, ...@@ -812,12 +813,11 @@ static ssize_t mmc_fwrev_show(struct device *dev,
{ {
struct mmc_card *card = mmc_dev_to_card(dev); struct mmc_card *card = mmc_dev_to_card(dev);
if (card->ext_csd.rev < 7) { if (card->ext_csd.rev < 7)
return sprintf(buf, "0x%x\n", card->cid.fwrev); return sysfs_emit(buf, "0x%x\n", card->cid.fwrev);
} else { else
return sprintf(buf, "0x%*phN\n", MMC_FIRMWARE_LEN, return sysfs_emit(buf, "0x%*phN\n", MMC_FIRMWARE_LEN,
card->ext_csd.fwrev); card->ext_csd.fwrev);
}
} }
static DEVICE_ATTR(fwrev, S_IRUGO, mmc_fwrev_show, NULL); static DEVICE_ATTR(fwrev, S_IRUGO, mmc_fwrev_show, NULL);
...@@ -830,10 +830,10 @@ static ssize_t mmc_dsr_show(struct device *dev, ...@@ -830,10 +830,10 @@ static ssize_t mmc_dsr_show(struct device *dev,
struct mmc_host *host = card->host; struct mmc_host *host = card->host;
if (card->csd.dsr_imp && host->dsr_req) if (card->csd.dsr_imp && host->dsr_req)
return sprintf(buf, "0x%x\n", host->dsr); return sysfs_emit(buf, "0x%x\n", host->dsr);
else else
/* return default DSR value */ /* return default DSR value */
return sprintf(buf, "0x%x\n", 0x404); return sysfs_emit(buf, "0x%x\n", 0x404);
} }
static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL); static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL);
...@@ -1355,11 +1355,6 @@ static int mmc_select_hs400es(struct mmc_card *card) ...@@ -1355,11 +1355,6 @@ static int mmc_select_hs400es(struct mmc_card *card)
int err = -EINVAL; int err = -EINVAL;
u8 val; u8 val;
if (!(host->caps & MMC_CAP_8_BIT_DATA)) {
err = -ENOTSUPP;
goto out_err;
}
if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_2V) if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400_1_2V)
err = mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_120); err = mmc_set_signal_voltage(host, MMC_SIGNAL_VOLTAGE_120);
...@@ -1523,13 +1518,23 @@ static int mmc_select_timing(struct mmc_card *card) ...@@ -1523,13 +1518,23 @@ static int mmc_select_timing(struct mmc_card *card)
if (!mmc_can_ext_csd(card)) if (!mmc_can_ext_csd(card))
goto bus_speed; goto bus_speed;
if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400ES) if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS400ES) {
err = mmc_select_hs400es(card); err = mmc_select_hs400es(card);
else if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200) goto out;
}
if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS200) {
err = mmc_select_hs200(card); err = mmc_select_hs200(card);
else if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS) if (err == -EBADMSG)
card->mmc_avail_type &= ~EXT_CSD_CARD_TYPE_HS200;
else
goto out;
}
if (card->mmc_avail_type & EXT_CSD_CARD_TYPE_HS)
err = mmc_select_hs(card); err = mmc_select_hs(card);
out:
if (err && err != -EBADMSG) if (err && err != -EBADMSG)
return err; return err;
......
...@@ -13,6 +13,7 @@ ...@@ -13,6 +13,7 @@
#include <linux/stat.h> #include <linux/stat.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/scatterlist.h> #include <linux/scatterlist.h>
#include <linux/sysfs.h>
#include <linux/mmc/host.h> #include <linux/mmc/host.h>
#include <linux/mmc/card.h> #include <linux/mmc/card.h>
...@@ -708,18 +709,16 @@ MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr); ...@@ -708,18 +709,16 @@ MMC_DEV_ATTR(ocr, "0x%08x\n", card->ocr);
MMC_DEV_ATTR(rca, "0x%04x\n", card->rca); MMC_DEV_ATTR(rca, "0x%04x\n", card->rca);
static ssize_t mmc_dsr_show(struct device *dev, static ssize_t mmc_dsr_show(struct device *dev, struct device_attribute *attr,
struct device_attribute *attr, char *buf)
char *buf)
{ {
struct mmc_card *card = mmc_dev_to_card(dev); struct mmc_card *card = mmc_dev_to_card(dev);
struct mmc_host *host = card->host; struct mmc_host *host = card->host;
if (card->csd.dsr_imp && host->dsr_req) if (card->csd.dsr_imp && host->dsr_req)
return sprintf(buf, "0x%x\n", host->dsr); return sysfs_emit(buf, "0x%x\n", host->dsr);
else /* return default DSR value */
/* return default DSR value */ return sysfs_emit(buf, "0x%x\n", 0x404);
return sprintf(buf, "0x%x\n", 0x404);
} }
static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL); static DEVICE_ATTR(dsr, S_IRUGO, mmc_dsr_show, NULL);
...@@ -735,9 +734,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att ...@@ -735,9 +734,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att
\ \
if (num > card->num_info) \ if (num > card->num_info) \
return -ENODATA; \ return -ENODATA; \
if (!card->info[num-1][0]) \ if (!card->info[num - 1][0]) \
return 0; \ return 0; \
return sprintf(buf, "%s\n", card->info[num-1]); \ return sysfs_emit(buf, "%s\n", card->info[num - 1]); \
} \ } \
static DEVICE_ATTR_RO(info##num) static DEVICE_ATTR_RO(info##num)
......
...@@ -7,6 +7,7 @@ ...@@ -7,6 +7,7 @@
#include <linux/err.h> #include <linux/err.h>
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/sysfs.h>
#include <linux/mmc/host.h> #include <linux/mmc/host.h>
#include <linux/mmc/card.h> #include <linux/mmc/card.h>
...@@ -40,9 +41,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att ...@@ -40,9 +41,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att
\ \
if (num > card->num_info) \ if (num > card->num_info) \
return -ENODATA; \ return -ENODATA; \
if (!card->info[num-1][0]) \ if (!card->info[num - 1][0]) \
return 0; \ return 0; \
return sprintf(buf, "%s\n", card->info[num-1]); \ return sysfs_emit(buf, "%s\n", card->info[num - 1]); \
} \ } \
static DEVICE_ATTR_RO(info##num) static DEVICE_ATTR_RO(info##num)
......
...@@ -14,6 +14,7 @@ ...@@ -14,6 +14,7 @@
#include <linux/pm_runtime.h> #include <linux/pm_runtime.h>
#include <linux/pm_domain.h> #include <linux/pm_domain.h>
#include <linux/acpi.h> #include <linux/acpi.h>
#include <linux/sysfs.h>
#include <linux/mmc/card.h> #include <linux/mmc/card.h>
#include <linux/mmc/host.h> #include <linux/mmc/host.h>
...@@ -35,7 +36,7 @@ field##_show(struct device *dev, struct device_attribute *attr, char *buf) \ ...@@ -35,7 +36,7 @@ field##_show(struct device *dev, struct device_attribute *attr, char *buf) \
struct sdio_func *func; \ struct sdio_func *func; \
\ \
func = dev_to_sdio_func (dev); \ func = dev_to_sdio_func (dev); \
return sprintf(buf, format_string, args); \ return sysfs_emit(buf, format_string, args); \
} \ } \
static DEVICE_ATTR_RO(field) static DEVICE_ATTR_RO(field)
...@@ -52,9 +53,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att ...@@ -52,9 +53,9 @@ static ssize_t info##num##_show(struct device *dev, struct device_attribute *att
\ \
if (num > func->num_info) \ if (num > func->num_info) \
return -ENODATA; \ return -ENODATA; \
if (!func->info[num-1][0]) \ if (!func->info[num - 1][0]) \
return 0; \ return 0; \
return sprintf(buf, "%s\n", func->info[num-1]); \ return sysfs_emit(buf, "%s\n", func->info[num - 1]); \
} \ } \
static DEVICE_ATTR_RO(info##num) static DEVICE_ATTR_RO(info##num)
......
...@@ -1094,3 +1094,16 @@ config MMC_OWL ...@@ -1094,3 +1094,16 @@ config MMC_OWL
config MMC_SDHCI_EXTERNAL_DMA config MMC_SDHCI_EXTERNAL_DMA
bool bool
config MMC_LITEX
tristate "LiteX MMC Host Controller support"
depends on ((PPC_MICROWATT || LITEX) && OF && HAVE_CLK) || COMPILE_TEST
select REGULATOR
select REGULATOR_FIXED_VOLTAGE
help
This selects support for the MMC Host Controller found in LiteX SoCs.
To compile this driver as a module, choose M here: the
module will be called litex_mmc.
If unsure, say N.
...@@ -101,6 +101,7 @@ obj-$(CONFIG_MMC_CQHCI) += cqhci.o ...@@ -101,6 +101,7 @@ obj-$(CONFIG_MMC_CQHCI) += cqhci.o
cqhci-y += cqhci-core.o cqhci-y += cqhci-core.o
cqhci-$(CONFIG_MMC_CRYPTO) += cqhci-crypto.o cqhci-$(CONFIG_MMC_CRYPTO) += cqhci-crypto.o
obj-$(CONFIG_MMC_HSQ) += mmc_hsq.o obj-$(CONFIG_MMC_HSQ) += mmc_hsq.o
obj-$(CONFIG_MMC_LITEX) += litex_mmc.o
ifeq ($(CONFIG_CB710_DEBUG),y) ifeq ($(CONFIG_CB710_DEBUG),y)
CFLAGS-cb710-mmc += -DDEBUG CFLAGS-cb710-mmc += -DDEBUG
......
...@@ -1189,7 +1189,6 @@ static int mmc_davinci_parse_pdata(struct mmc_host *mmc) ...@@ -1189,7 +1189,6 @@ static int mmc_davinci_parse_pdata(struct mmc_host *mmc)
static int davinci_mmcsd_probe(struct platform_device *pdev) static int davinci_mmcsd_probe(struct platform_device *pdev)
{ {
const struct of_device_id *match;
struct mmc_davinci_host *host = NULL; struct mmc_davinci_host *host = NULL;
struct mmc_host *mmc = NULL; struct mmc_host *mmc = NULL;
struct resource *r, *mem = NULL; struct resource *r, *mem = NULL;
...@@ -1235,9 +1234,8 @@ static int davinci_mmcsd_probe(struct platform_device *pdev) ...@@ -1235,9 +1234,8 @@ static int davinci_mmcsd_probe(struct platform_device *pdev)
host->mmc_input_clk = clk_get_rate(host->clk); host->mmc_input_clk = clk_get_rate(host->clk);
match = of_match_device(davinci_mmc_dt_ids, &pdev->dev); pdev->id_entry = of_device_get_match_data(&pdev->dev);
if (match) { if (pdev->id_entry) {
pdev->id_entry = match->data;
ret = mmc_of_parse(mmc); ret = mmc_of_parse(mmc);
if (ret) { if (ret) {
dev_err_probe(&pdev->dev, ret, dev_err_probe(&pdev->dev, ret,
...@@ -1375,8 +1373,12 @@ static int davinci_mmcsd_suspend(struct device *dev) ...@@ -1375,8 +1373,12 @@ static int davinci_mmcsd_suspend(struct device *dev)
static int davinci_mmcsd_resume(struct device *dev) static int davinci_mmcsd_resume(struct device *dev)
{ {
struct mmc_davinci_host *host = dev_get_drvdata(dev); struct mmc_davinci_host *host = dev_get_drvdata(dev);
int ret;
ret = clk_enable(host->clk);
if (ret)
return ret;
clk_enable(host->clk);
mmc_davinci_reset_ctrl(host, 0); mmc_davinci_reset_ctrl(host, 0);
return 0; return 0;
......
...@@ -15,7 +15,9 @@ ...@@ -15,7 +15,9 @@
#include "dw_mmc.h" #include "dw_mmc.h"
#include "dw_mmc-pltfm.h" #include "dw_mmc-pltfm.h"
#define RK3288_CLKGEN_DIV 2 #define RK3288_CLKGEN_DIV 2
static const unsigned int freqs[] = { 100000, 200000, 300000, 400000 };
struct dw_mci_rockchip_priv_data { struct dw_mci_rockchip_priv_data {
struct clk *drv_clk; struct clk *drv_clk;
...@@ -51,7 +53,7 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios) ...@@ -51,7 +53,7 @@ static void dw_mci_rk3288_set_ios(struct dw_mci *host, struct mmc_ios *ios)
ret = clk_set_rate(host->ciu_clk, cclkin); ret = clk_set_rate(host->ciu_clk, cclkin);
if (ret) if (ret)
dev_warn(host->dev, "failed to set rate %uHz\n", ios->clock); dev_warn(host->dev, "failed to set rate %uHz err: %d\n", cclkin, ret);
bus_hz = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV; bus_hz = clk_get_rate(host->ciu_clk) / RK3288_CLKGEN_DIV;
if (bus_hz != host->bus_hz) { if (bus_hz != host->bus_hz) {
...@@ -290,13 +292,30 @@ static int dw_mci_rk3288_parse_dt(struct dw_mci *host) ...@@ -290,13 +292,30 @@ static int dw_mci_rk3288_parse_dt(struct dw_mci *host)
static int dw_mci_rockchip_init(struct dw_mci *host) static int dw_mci_rockchip_init(struct dw_mci *host)
{ {
int ret, i;
/* It is slot 8 on Rockchip SoCs */ /* It is slot 8 on Rockchip SoCs */
host->sdio_id0 = 8; host->sdio_id0 = 8;
if (of_device_is_compatible(host->dev->of_node, if (of_device_is_compatible(host->dev->of_node, "rockchip,rk3288-dw-mshc")) {
"rockchip,rk3288-dw-mshc"))
host->bus_hz /= RK3288_CLKGEN_DIV; host->bus_hz /= RK3288_CLKGEN_DIV;
/* clock driver will fail if the clock is less than the lowest source clock
* divided by the internal clock divider. Test for the lowest available
* clock and set the minimum freq to clock / clock divider.
*/
for (i = 0; i < ARRAY_SIZE(freqs); i++) {
ret = clk_round_rate(host->ciu_clk, freqs[i] * RK3288_CLKGEN_DIV);
if (ret > 0) {
host->minimum_speed = ret / RK3288_CLKGEN_DIV;
break;
}
}
if (ret < 0)
dev_warn(host->dev, "no valid minimum freq: %d\n", ret);
}
return 0; return 0;
} }
......
...@@ -2898,7 +2898,12 @@ static int dw_mci_init_slot_caps(struct dw_mci_slot *slot) ...@@ -2898,7 +2898,12 @@ static int dw_mci_init_slot_caps(struct dw_mci_slot *slot)
if (host->pdata->caps2) if (host->pdata->caps2)
mmc->caps2 = host->pdata->caps2; mmc->caps2 = host->pdata->caps2;
mmc->f_min = DW_MCI_FREQ_MIN; /* if host has set a minimum_freq, we should respect it */
if (host->minimum_speed)
mmc->f_min = host->minimum_speed;
else
mmc->f_min = DW_MCI_FREQ_MIN;
if (!mmc->f_max) if (!mmc->f_max)
mmc->f_max = DW_MCI_FREQ_MAX; mmc->f_max = DW_MCI_FREQ_MAX;
...@@ -3057,8 +3062,7 @@ static void dw_mci_init_dma(struct dw_mci *host) ...@@ -3057,8 +3062,7 @@ static void dw_mci_init_dma(struct dw_mci *host)
dev_info(host->dev, "Using internal DMA controller.\n"); dev_info(host->dev, "Using internal DMA controller.\n");
} else { } else {
/* TRANS_MODE_EDMAC: check dma bindings again */ /* TRANS_MODE_EDMAC: check dma bindings again */
if ((device_property_read_string_array(dev, "dma-names", if ((device_property_string_array_count(dev, "dma-names") < 0) ||
NULL, 0) < 0) ||
!device_property_present(dev, "dmas")) { !device_property_present(dev, "dmas")) {
goto no_dma; goto no_dma;
} }
...@@ -3568,7 +3572,7 @@ int dw_mci_runtime_resume(struct device *dev) ...@@ -3568,7 +3572,7 @@ int dw_mci_runtime_resume(struct device *dev)
mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE);
if (host->slot->mmc->pm_flags & MMC_PM_KEEP_POWER) if (host->slot && host->slot->mmc->pm_flags & MMC_PM_KEEP_POWER)
dw_mci_set_ios(host->slot->mmc, &host->slot->mmc->ios); dw_mci_set_ios(host->slot->mmc, &host->slot->mmc->ios);
/* Force setup bus to guarantee available clock output */ /* Force setup bus to guarantee available clock output */
......
...@@ -99,6 +99,7 @@ struct dw_mci_dma_slave { ...@@ -99,6 +99,7 @@ struct dw_mci_dma_slave {
* @bus_hz: The rate of @mck in Hz. This forms the basis for MMC bus * @bus_hz: The rate of @mck in Hz. This forms the basis for MMC bus
* rate and timeout calculations. * rate and timeout calculations.
* @current_speed: Configured rate of the controller. * @current_speed: Configured rate of the controller.
* @minimum_speed: Stored minimum rate of the controller.
* @fifoth_val: The value of FIFOTH register. * @fifoth_val: The value of FIFOTH register.
* @verid: Denote Version ID. * @verid: Denote Version ID.
* @dev: Device associated with the MMC controller. * @dev: Device associated with the MMC controller.
...@@ -201,6 +202,7 @@ struct dw_mci { ...@@ -201,6 +202,7 @@ struct dw_mci {
u32 bus_hz; u32 bus_hz;
u32 current_speed; u32 current_speed;
u32 minimum_speed;
u32 fifoth_val; u32 fifoth_val;
u16 verid; u16 verid;
struct device *dev; struct device *dev;
......
This diff is collapsed.
...@@ -1911,8 +1911,8 @@ static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay) ...@@ -1911,8 +1911,8 @@ static struct msdc_delay_phase get_best_delay(struct msdc_host *host, u32 delay)
final_phase = (start_final + len_final / 3) % PAD_DELAY_MAX; final_phase = (start_final + len_final / 3) % PAD_DELAY_MAX;
else else
final_phase = (start_final + len_final / 2) % PAD_DELAY_MAX; final_phase = (start_final + len_final / 2) % PAD_DELAY_MAX;
dev_info(host->dev, "phase: [map:%x] [maxlen:%d] [final:%d]\n", dev_dbg(host->dev, "phase: [map:%x] [maxlen:%d] [final:%d]\n",
delay, len_final, final_phase); delay, len_final, final_phase);
delay_phase.maxlen = len_final; delay_phase.maxlen = len_final;
delay_phase.start = start_final; delay_phase.start = start_final;
......
...@@ -212,7 +212,7 @@ static const struct soc_device_attribute sdhi_quirks_match[] = { ...@@ -212,7 +212,7 @@ static const struct soc_device_attribute sdhi_quirks_match[] = {
{ .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap }, { .soc_id = "r8a7795", .revision = "ES2.0", .data = &sdhi_quirks_4tap },
{ .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 }, { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 },
{ .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 }, { .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 },
{ /* Sentinel. */ }, { /* Sentinel. */ }
}; };
static const struct renesas_sdhi_of_data_with_quirks of_r8a7795_compatible = { static const struct renesas_sdhi_of_data_with_quirks of_r8a7795_compatible = {
......
...@@ -38,10 +38,7 @@ struct realtek_pci_sdmmc { ...@@ -38,10 +38,7 @@ struct realtek_pci_sdmmc {
bool double_clk; bool double_clk;
bool eject; bool eject;
bool initial_mode; bool initial_mode;
int power_state; int prev_power_state;
#define SDMMC_POWER_ON 1
#define SDMMC_POWER_OFF 0
int sg_count; int sg_count;
s32 cookie; s32 cookie;
int cookie_sg_count; int cookie_sg_count;
...@@ -905,7 +902,7 @@ static int sd_set_bus_width(struct realtek_pci_sdmmc *host, ...@@ -905,7 +902,7 @@ static int sd_set_bus_width(struct realtek_pci_sdmmc *host,
return err; return err;
} }
static int sd_power_on(struct realtek_pci_sdmmc *host) static int sd_power_on(struct realtek_pci_sdmmc *host, unsigned char power_mode)
{ {
struct rtsx_pcr *pcr = host->pcr; struct rtsx_pcr *pcr = host->pcr;
struct mmc_host *mmc = host->mmc; struct mmc_host *mmc = host->mmc;
...@@ -913,9 +910,14 @@ static int sd_power_on(struct realtek_pci_sdmmc *host) ...@@ -913,9 +910,14 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
u32 val; u32 val;
u8 test_mode; u8 test_mode;
if (host->power_state == SDMMC_POWER_ON) if (host->prev_power_state == MMC_POWER_ON)
return 0; return 0;
if (host->prev_power_state == MMC_POWER_UP) {
rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, 0);
goto finish;
}
msleep(100); msleep(100);
rtsx_pci_init_cmd(pcr); rtsx_pci_init_cmd(pcr);
...@@ -936,10 +938,15 @@ static int sd_power_on(struct realtek_pci_sdmmc *host) ...@@ -936,10 +938,15 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
if (err < 0) if (err < 0)
return err; return err;
mdelay(1);
err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN); err = rtsx_pci_write_register(pcr, CARD_OE, SD_OUTPUT_EN, SD_OUTPUT_EN);
if (err < 0) if (err < 0)
return err; return err;
/* send at least 74 clocks */
rtsx_pci_write_register(pcr, SD_BUS_STAT, SD_CLK_TOGGLE_EN, SD_CLK_TOGGLE_EN);
if (PCI_PID(pcr) == PID_5261) { if (PCI_PID(pcr) == PID_5261) {
/* /*
* If test mode is set switch to SD Express mandatorily, * If test mode is set switch to SD Express mandatorily,
...@@ -964,7 +971,8 @@ static int sd_power_on(struct realtek_pci_sdmmc *host) ...@@ -964,7 +971,8 @@ static int sd_power_on(struct realtek_pci_sdmmc *host)
} }
} }
host->power_state = SDMMC_POWER_ON; finish:
host->prev_power_state = power_mode;
return 0; return 0;
} }
...@@ -973,7 +981,7 @@ static int sd_power_off(struct realtek_pci_sdmmc *host) ...@@ -973,7 +981,7 @@ static int sd_power_off(struct realtek_pci_sdmmc *host)
struct rtsx_pcr *pcr = host->pcr; struct rtsx_pcr *pcr = host->pcr;
int err; int err;
host->power_state = SDMMC_POWER_OFF; host->prev_power_state = MMC_POWER_OFF;
rtsx_pci_init_cmd(pcr); rtsx_pci_init_cmd(pcr);
...@@ -999,7 +1007,7 @@ static int sd_set_power_mode(struct realtek_pci_sdmmc *host, ...@@ -999,7 +1007,7 @@ static int sd_set_power_mode(struct realtek_pci_sdmmc *host,
if (power_mode == MMC_POWER_OFF) if (power_mode == MMC_POWER_OFF)
err = sd_power_off(host); err = sd_power_off(host);
else else
err = sd_power_on(host); err = sd_power_on(host, power_mode);
return err; return err;
} }
...@@ -1482,10 +1490,11 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev) ...@@ -1482,10 +1490,11 @@ static int rtsx_pci_sdmmc_drv_probe(struct platform_device *pdev)
host = mmc_priv(mmc); host = mmc_priv(mmc);
host->pcr = pcr; host->pcr = pcr;
mmc->ios.power_delay_ms = 5;
host->mmc = mmc; host->mmc = mmc;
host->pdev = pdev; host->pdev = pdev;
host->cookie = -1; host->cookie = -1;
host->power_state = SDMMC_POWER_OFF; host->prev_power_state = MMC_POWER_OFF;
INIT_WORK(&host->work, sd_request); INIT_WORK(&host->work, sd_request);
platform_set_drvdata(pdev, host); platform_set_drvdata(pdev, host);
pcr->slots[RTSX_SD_CARD].p_dev = pdev; pcr->slots[RTSX_SD_CARD].p_dev = pdev;
......
...@@ -308,17 +308,15 @@ static const struct dev_pm_ops sdhci_at91_dev_pm_ops = { ...@@ -308,17 +308,15 @@ static const struct dev_pm_ops sdhci_at91_dev_pm_ops = {
static int sdhci_at91_probe(struct platform_device *pdev) static int sdhci_at91_probe(struct platform_device *pdev)
{ {
const struct of_device_id *match;
const struct sdhci_at91_soc_data *soc_data; const struct sdhci_at91_soc_data *soc_data;
struct sdhci_host *host; struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host; struct sdhci_pltfm_host *pltfm_host;
struct sdhci_at91_priv *priv; struct sdhci_at91_priv *priv;
int ret; int ret;
match = of_match_device(sdhci_at91_dt_match, &pdev->dev); soc_data = of_device_get_match_data(&pdev->dev);
if (!match) if (!soc_data)
return -EINVAL; return -EINVAL;
soc_data = match->data;
host = sdhci_pltfm_init(pdev, soc_data->pdata, sizeof(*priv)); host = sdhci_pltfm_init(pdev, soc_data->pdata, sizeof(*priv));
if (IS_ERR(host)) if (IS_ERR(host))
......
...@@ -934,7 +934,7 @@ static struct soc_device_attribute soc_tuning_erratum_type1[] = { ...@@ -934,7 +934,7 @@ static struct soc_device_attribute soc_tuning_erratum_type1[] = {
{ .family = "QorIQ T1040", }, { .family = "QorIQ T1040", },
{ .family = "QorIQ T2080", }, { .family = "QorIQ T2080", },
{ .family = "QorIQ LS1021A", }, { .family = "QorIQ LS1021A", },
{ }, { /* sentinel */ }
}; };
static struct soc_device_attribute soc_tuning_erratum_type2[] = { static struct soc_device_attribute soc_tuning_erratum_type2[] = {
...@@ -944,7 +944,7 @@ static struct soc_device_attribute soc_tuning_erratum_type2[] = { ...@@ -944,7 +944,7 @@ static struct soc_device_attribute soc_tuning_erratum_type2[] = {
{ .family = "QorIQ LS1080A", }, { .family = "QorIQ LS1080A", },
{ .family = "QorIQ LS2080A", }, { .family = "QorIQ LS2080A", },
{ .family = "QorIQ LA1575A", }, { .family = "QorIQ LA1575A", },
{ }, { /* sentinel */ }
}; };
static void esdhc_tuning_block_enable(struct sdhci_host *host, bool enable) static void esdhc_tuning_block_enable(struct sdhci_host *host, bool enable)
...@@ -1316,21 +1316,21 @@ static const struct sdhci_pltfm_data sdhci_esdhc_le_pdata = { ...@@ -1316,21 +1316,21 @@ static const struct sdhci_pltfm_data sdhci_esdhc_le_pdata = {
static struct soc_device_attribute soc_incorrect_hostver[] = { static struct soc_device_attribute soc_incorrect_hostver[] = {
{ .family = "QorIQ T4240", .revision = "1.0", }, { .family = "QorIQ T4240", .revision = "1.0", },
{ .family = "QorIQ T4240", .revision = "2.0", }, { .family = "QorIQ T4240", .revision = "2.0", },
{ }, { /* sentinel */ }
}; };
static struct soc_device_attribute soc_fixup_sdhc_clkdivs[] = { static struct soc_device_attribute soc_fixup_sdhc_clkdivs[] = {
{ .family = "QorIQ LX2160A", .revision = "1.0", }, { .family = "QorIQ LX2160A", .revision = "1.0", },
{ .family = "QorIQ LX2160A", .revision = "2.0", }, { .family = "QorIQ LX2160A", .revision = "2.0", },
{ .family = "QorIQ LS1028A", .revision = "1.0", }, { .family = "QorIQ LS1028A", .revision = "1.0", },
{ }, { /* sentinel */ }
}; };
static struct soc_device_attribute soc_unreliable_pulse_detection[] = { static struct soc_device_attribute soc_unreliable_pulse_detection[] = {
{ .family = "QorIQ LX2160A", .revision = "1.0", }, { .family = "QorIQ LX2160A", .revision = "1.0", },
{ .family = "QorIQ LX2160A", .revision = "2.0", }, { .family = "QorIQ LX2160A", .revision = "2.0", },
{ .family = "QorIQ LS1028A", .revision = "1.0", }, { .family = "QorIQ LS1028A", .revision = "1.0", },
{ }, { /* sentinel */ }
}; };
static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host) static void esdhc_init(struct platform_device *pdev, struct sdhci_host *host)
......
...@@ -13,6 +13,7 @@ ...@@ -13,6 +13,7 @@
#include <linux/mmc/mmc.h> #include <linux/mmc/mmc.h>
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/iopoll.h>
#include "sdhci.h" #include "sdhci.h"
#include "sdhci-pci.h" #include "sdhci-pci.h"
#include "cqhci.h" #include "cqhci.h"
...@@ -63,6 +64,7 @@ ...@@ -63,6 +64,7 @@
#define GLI_9750_MISC_RX_INV_OFF 0x0 #define GLI_9750_MISC_RX_INV_OFF 0x0
#define GLI_9750_MISC_RX_INV_VALUE GLI_9750_MISC_RX_INV_OFF #define GLI_9750_MISC_RX_INV_VALUE GLI_9750_MISC_RX_INV_OFF
#define GLI_9750_MISC_TX1_DLY_VALUE 0x5 #define GLI_9750_MISC_TX1_DLY_VALUE 0x5
#define SDHCI_GLI_9750_MISC_SSC_OFF BIT(26)
#define SDHCI_GLI_9750_TUNING_CONTROL 0x540 #define SDHCI_GLI_9750_TUNING_CONTROL 0x540
#define SDHCI_GLI_9750_TUNING_CONTROL_EN BIT(4) #define SDHCI_GLI_9750_TUNING_CONTROL_EN BIT(4)
...@@ -137,6 +139,9 @@ ...@@ -137,6 +139,9 @@
#define PCI_GLI_9755_SerDes 0x70 #define PCI_GLI_9755_SerDes 0x70
#define PCI_GLI_9755_SCP_DIS BIT(19) #define PCI_GLI_9755_SCP_DIS BIT(19)
#define PCI_GLI_9755_MISC 0x78
#define PCI_GLI_9755_MISC_SSC_OFF BIT(26)
#define GLI_MAX_TUNING_LOOP 40 #define GLI_MAX_TUNING_LOOP 40
/* Genesys Logic chipset */ /* Genesys Logic chipset */
...@@ -371,6 +376,19 @@ static void gl9750_set_pll(struct sdhci_host *host, u8 dir, u16 ldiv, u8 pdiv) ...@@ -371,6 +376,19 @@ static void gl9750_set_pll(struct sdhci_host *host, u8 dir, u16 ldiv, u8 pdiv)
mdelay(1); mdelay(1);
} }
static bool gl9750_ssc_enable(struct sdhci_host *host)
{
u32 misc;
u8 off;
gl9750_wt_on(host);
misc = sdhci_readl(host, SDHCI_GLI_9750_MISC);
off = FIELD_GET(SDHCI_GLI_9750_MISC_SSC_OFF, misc);
gl9750_wt_off(host);
return !off;
}
static void gl9750_set_ssc(struct sdhci_host *host, u8 enable, u8 step, u16 ppm) static void gl9750_set_ssc(struct sdhci_host *host, u8 enable, u8 step, u16 ppm)
{ {
u32 pll; u32 pll;
...@@ -392,11 +410,31 @@ static void gl9750_set_ssc(struct sdhci_host *host, u8 enable, u8 step, u16 ppm) ...@@ -392,11 +410,31 @@ static void gl9750_set_ssc(struct sdhci_host *host, u8 enable, u8 step, u16 ppm)
static void gl9750_set_ssc_pll_205mhz(struct sdhci_host *host) static void gl9750_set_ssc_pll_205mhz(struct sdhci_host *host)
{ {
/* set pll to 205MHz and enable ssc */ bool enable = gl9750_ssc_enable(host);
gl9750_set_ssc(host, 0x1, 0x1F, 0xFFE7);
/* set pll to 205MHz and ssc */
gl9750_set_ssc(host, enable, 0xF, 0x5A1D);
gl9750_set_pll(host, 0x1, 0x246, 0x0); gl9750_set_pll(host, 0x1, 0x246, 0x0);
} }
static void gl9750_set_ssc_pll_100mhz(struct sdhci_host *host)
{
bool enable = gl9750_ssc_enable(host);
/* set pll to 100MHz and ssc */
gl9750_set_ssc(host, enable, 0xE, 0x51EC);
gl9750_set_pll(host, 0x1, 0x244, 0x1);
}
static void gl9750_set_ssc_pll_50mhz(struct sdhci_host *host)
{
bool enable = gl9750_ssc_enable(host);
/* set pll to 50MHz and ssc */
gl9750_set_ssc(host, enable, 0xE, 0x51EC);
gl9750_set_pll(host, 0x1, 0x244, 0x3);
}
static void sdhci_gl9750_set_clock(struct sdhci_host *host, unsigned int clock) static void sdhci_gl9750_set_clock(struct sdhci_host *host, unsigned int clock)
{ {
struct mmc_ios *ios = &host->mmc->ios; struct mmc_ios *ios = &host->mmc->ios;
...@@ -414,6 +452,10 @@ static void sdhci_gl9750_set_clock(struct sdhci_host *host, unsigned int clock) ...@@ -414,6 +452,10 @@ static void sdhci_gl9750_set_clock(struct sdhci_host *host, unsigned int clock)
if (clock == 200000000 && ios->timing == MMC_TIMING_UHS_SDR104) { if (clock == 200000000 && ios->timing == MMC_TIMING_UHS_SDR104) {
host->mmc->actual_clock = 205000000; host->mmc->actual_clock = 205000000;
gl9750_set_ssc_pll_205mhz(host); gl9750_set_ssc_pll_205mhz(host);
} else if (clock == 100000000) {
gl9750_set_ssc_pll_100mhz(host);
} else if (clock == 50000000) {
gl9750_set_ssc_pll_50mhz(host);
} }
sdhci_enable_clk(host, clk); sdhci_enable_clk(host, clk);
...@@ -514,6 +556,19 @@ static void gl9755_set_pll(struct pci_dev *pdev, u8 dir, u16 ldiv, u8 pdiv) ...@@ -514,6 +556,19 @@ static void gl9755_set_pll(struct pci_dev *pdev, u8 dir, u16 ldiv, u8 pdiv)
mdelay(1); mdelay(1);
} }
static bool gl9755_ssc_enable(struct pci_dev *pdev)
{
u32 misc;
u8 off;
gl9755_wt_on(pdev);
pci_read_config_dword(pdev, PCI_GLI_9755_MISC, &misc);
off = FIELD_GET(PCI_GLI_9755_MISC_SSC_OFF, misc);
gl9755_wt_off(pdev);
return !off;
}
static void gl9755_set_ssc(struct pci_dev *pdev, u8 enable, u8 step, u16 ppm) static void gl9755_set_ssc(struct pci_dev *pdev, u8 enable, u8 step, u16 ppm)
{ {
u32 pll; u32 pll;
...@@ -535,11 +590,31 @@ static void gl9755_set_ssc(struct pci_dev *pdev, u8 enable, u8 step, u16 ppm) ...@@ -535,11 +590,31 @@ static void gl9755_set_ssc(struct pci_dev *pdev, u8 enable, u8 step, u16 ppm)
static void gl9755_set_ssc_pll_205mhz(struct pci_dev *pdev) static void gl9755_set_ssc_pll_205mhz(struct pci_dev *pdev)
{ {
/* set pll to 205MHz and enable ssc */ bool enable = gl9755_ssc_enable(pdev);
gl9755_set_ssc(pdev, 0x1, 0x1F, 0xFFE7);
/* set pll to 205MHz and ssc */
gl9755_set_ssc(pdev, enable, 0xF, 0x5A1D);
gl9755_set_pll(pdev, 0x1, 0x246, 0x0); gl9755_set_pll(pdev, 0x1, 0x246, 0x0);
} }
static void gl9755_set_ssc_pll_100mhz(struct pci_dev *pdev)
{
bool enable = gl9755_ssc_enable(pdev);
/* set pll to 100MHz and ssc */
gl9755_set_ssc(pdev, enable, 0xE, 0x51EC);
gl9755_set_pll(pdev, 0x1, 0x244, 0x1);
}
static void gl9755_set_ssc_pll_50mhz(struct pci_dev *pdev)
{
bool enable = gl9755_ssc_enable(pdev);
/* set pll to 50MHz and ssc */
gl9755_set_ssc(pdev, enable, 0xE, 0x51EC);
gl9755_set_pll(pdev, 0x1, 0x244, 0x3);
}
static void sdhci_gl9755_set_clock(struct sdhci_host *host, unsigned int clock) static void sdhci_gl9755_set_clock(struct sdhci_host *host, unsigned int clock)
{ {
struct sdhci_pci_slot *slot = sdhci_priv(host); struct sdhci_pci_slot *slot = sdhci_priv(host);
...@@ -560,6 +635,10 @@ static void sdhci_gl9755_set_clock(struct sdhci_host *host, unsigned int clock) ...@@ -560,6 +635,10 @@ static void sdhci_gl9755_set_clock(struct sdhci_host *host, unsigned int clock)
if (clock == 200000000 && ios->timing == MMC_TIMING_UHS_SDR104) { if (clock == 200000000 && ios->timing == MMC_TIMING_UHS_SDR104) {
host->mmc->actual_clock = 205000000; host->mmc->actual_clock = 205000000;
gl9755_set_ssc_pll_205mhz(pdev); gl9755_set_ssc_pll_205mhz(pdev);
} else if (clock == 100000000) {
gl9755_set_ssc_pll_100mhz(pdev);
} else if (clock == 50000000) {
gl9755_set_ssc_pll_50mhz(pdev);
} }
sdhci_enable_clk(host, clk); sdhci_enable_clk(host, clk);
...@@ -873,6 +952,47 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot) ...@@ -873,6 +952,47 @@ static void gli_set_gl9763e(struct sdhci_pci_slot *slot)
pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value); pci_write_config_dword(pdev, PCIE_GLI_9763E_VHS, value);
} }
#ifdef CONFIG_PM
static int gl9763e_runtime_suspend(struct sdhci_pci_chip *chip)
{
struct sdhci_pci_slot *slot = chip->slots[0];
struct sdhci_host *host = slot->host;
u16 clock;
clock = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
clock &= ~(SDHCI_CLOCK_PLL_EN | SDHCI_CLOCK_CARD_EN);
sdhci_writew(host, clock, SDHCI_CLOCK_CONTROL);
return 0;
}
static int gl9763e_runtime_resume(struct sdhci_pci_chip *chip)
{
struct sdhci_pci_slot *slot = chip->slots[0];
struct sdhci_host *host = slot->host;
u16 clock;
clock = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
clock |= SDHCI_CLOCK_PLL_EN;
clock &= ~SDHCI_CLOCK_INT_STABLE;
sdhci_writew(host, clock, SDHCI_CLOCK_CONTROL);
/* Wait max 150 ms */
if (read_poll_timeout(sdhci_readw, clock, (clock & SDHCI_CLOCK_INT_STABLE),
1000, 150000, false, host, SDHCI_CLOCK_CONTROL)) {
pr_err("%s: PLL clock never stabilised.\n",
mmc_hostname(host->mmc));
sdhci_dumpregs(host);
}
clock |= SDHCI_CLOCK_CARD_EN;
sdhci_writew(host, clock, SDHCI_CLOCK_CONTROL);
return 0;
}
#endif
static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot) static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot)
{ {
struct pci_dev *pdev = slot->chip->pdev; struct pci_dev *pdev = slot->chip->pdev;
...@@ -982,6 +1102,11 @@ const struct sdhci_pci_fixes sdhci_gl9763e = { ...@@ -982,6 +1102,11 @@ const struct sdhci_pci_fixes sdhci_gl9763e = {
#ifdef CONFIG_PM_SLEEP #ifdef CONFIG_PM_SLEEP
.resume = sdhci_cqhci_gli_resume, .resume = sdhci_cqhci_gli_resume,
.suspend = sdhci_cqhci_gli_suspend, .suspend = sdhci_cqhci_gli_suspend,
#endif
#ifdef CONFIG_PM
.runtime_suspend = gl9763e_runtime_suspend,
.runtime_resume = gl9763e_runtime_resume,
.allow_runtime_pm = true,
#endif #endif
.add_host = gl9763e_add_host, .add_host = gl9763e_add_host,
}; };
...@@ -1618,7 +1618,6 @@ static int sdhci_tegra_add_host(struct sdhci_host *host) ...@@ -1618,7 +1618,6 @@ static int sdhci_tegra_add_host(struct sdhci_host *host)
static int sdhci_tegra_probe(struct platform_device *pdev) static int sdhci_tegra_probe(struct platform_device *pdev)
{ {
const struct of_device_id *match;
const struct sdhci_tegra_soc_data *soc_data; const struct sdhci_tegra_soc_data *soc_data;
struct sdhci_host *host; struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host; struct sdhci_pltfm_host *pltfm_host;
...@@ -1626,10 +1625,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev) ...@@ -1626,10 +1625,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
struct clk *clk; struct clk *clk;
int rc; int rc;
match = of_match_device(sdhci_tegra_dt_match, &pdev->dev); soc_data = of_device_get_match_data(&pdev->dev);
if (!match) if (!soc_data)
return -EINVAL; return -EINVAL;
soc_data = match->data;
host = sdhci_pltfm_init(pdev, soc_data->pdata, sizeof(*tegra_host)); host = sdhci_pltfm_init(pdev, soc_data->pdata, sizeof(*tegra_host));
if (IS_ERR(host)) if (IS_ERR(host))
...@@ -1673,6 +1671,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev) ...@@ -1673,6 +1671,9 @@ static int sdhci_tegra_probe(struct platform_device *pdev)
/* HW busy detection is supported, but R1B responses are required. */ /* HW busy detection is supported, but R1B responses are required. */
host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY; host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_NEED_RSP_BUSY;
/* GPIO CD can be set as a wakeup source */
host->mmc->caps |= MMC_CAP_CD_WAKE;
tegra_sdhci_parse_dt(host); tegra_sdhci_parse_dt(host);
tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power", tegra_host->power_gpio = devm_gpiod_get_optional(&pdev->dev, "power",
...@@ -1840,7 +1841,7 @@ static int sdhci_tegra_suspend(struct device *dev) ...@@ -1840,7 +1841,7 @@ static int sdhci_tegra_suspend(struct device *dev)
return ret; return ret;
} }
return 0; return mmc_gpio_set_cd_wake(host->mmc, true);
} }
static int sdhci_tegra_resume(struct device *dev) static int sdhci_tegra_resume(struct device *dev)
...@@ -1848,6 +1849,10 @@ static int sdhci_tegra_resume(struct device *dev) ...@@ -1848,6 +1849,10 @@ static int sdhci_tegra_resume(struct device *dev)
struct sdhci_host *host = dev_get_drvdata(dev); struct sdhci_host *host = dev_get_drvdata(dev);
int ret; int ret;
ret = mmc_gpio_set_cd_wake(host->mmc, false);
if (ret)
return ret;
ret = pm_runtime_force_resume(dev); ret = pm_runtime_force_resume(dev);
if (ret) if (ret)
return ret; return ret;
......
...@@ -514,26 +514,6 @@ static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = { ...@@ -514,26 +514,6 @@ static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = {
.flags = IOMUX_PRESENT, .flags = IOMUX_PRESENT,
}; };
static const struct sdhci_pltfm_data sdhci_am64_8bit_pdata = {
.ops = &sdhci_j721e_8bit_ops,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
static const struct sdhci_am654_driver_data sdhci_am64_8bit_drvdata = {
.pdata = &sdhci_am64_8bit_pdata,
.flags = DLL_PRESENT | DLL_CALIB,
};
static const struct sdhci_pltfm_data sdhci_am64_4bit_pdata = {
.ops = &sdhci_j721e_4bit_ops,
.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
};
static const struct sdhci_am654_driver_data sdhci_am64_4bit_drvdata = {
.pdata = &sdhci_am64_4bit_pdata,
.flags = IOMUX_PRESENT,
};
static const struct soc_device_attribute sdhci_am654_devices[] = { static const struct soc_device_attribute sdhci_am654_devices[] = {
{ .family = "AM65X", { .family = "AM65X",
.revision = "SR1.0", .revision = "SR1.0",
...@@ -759,11 +739,15 @@ static const struct of_device_id sdhci_am654_of_match[] = { ...@@ -759,11 +739,15 @@ static const struct of_device_id sdhci_am654_of_match[] = {
}, },
{ {
.compatible = "ti,am64-sdhci-8bit", .compatible = "ti,am64-sdhci-8bit",
.data = &sdhci_am64_8bit_drvdata, .data = &sdhci_j721e_8bit_drvdata,
}, },
{ {
.compatible = "ti,am64-sdhci-4bit", .compatible = "ti,am64-sdhci-4bit",
.data = &sdhci_am64_4bit_drvdata, .data = &sdhci_j721e_4bit_drvdata,
},
{
.compatible = "ti,am62-sdhci",
.data = &sdhci_j721e_4bit_drvdata,
}, },
{ /* sentinel */ } { /* sentinel */ }
}; };
......
...@@ -521,8 +521,7 @@ static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk) ...@@ -521,8 +521,7 @@ static void sh_mmcif_clock_control(struct sh_mmcif_host *host, unsigned int clk)
} }
dev_dbg(dev, "clk %u/%u (%u, 0x%x)\n", dev_dbg(dev, "clk %u/%u (%u, 0x%x)\n",
(best_freq / (1 << (clkdiv + 1))), clk, (best_freq >> (clkdiv + 1)), clk, best_freq, clkdiv);
best_freq, clkdiv);
clk_set_rate(host->clk, best_freq); clk_set_rate(host->clk, best_freq);
clkdiv = clkdiv << 16; clkdiv = clkdiv << 16;
...@@ -1012,8 +1011,8 @@ static void sh_mmcif_clk_setup(struct sh_mmcif_host *host) ...@@ -1012,8 +1011,8 @@ static void sh_mmcif_clk_setup(struct sh_mmcif_host *host)
*/ */
host->clkdiv_map = 0x3ff; host->clkdiv_map = 0x3ff;
host->mmc->f_max = f_max / (1 << ffs(host->clkdiv_map)); host->mmc->f_max = f_max >> ffs(host->clkdiv_map);
host->mmc->f_min = f_min / (1 << fls(host->clkdiv_map)); host->mmc->f_min = f_min >> fls(host->clkdiv_map);
} else { } else {
unsigned int clk = clk_get_rate(host->clk); unsigned int clk = clk_get_rate(host->clk);
......
...@@ -1167,6 +1167,14 @@ static const struct sunxi_mmc_cfg sun9i_a80_cfg = { ...@@ -1167,6 +1167,14 @@ static const struct sunxi_mmc_cfg sun9i_a80_cfg = {
.can_calibrate = false, .can_calibrate = false,
}; };
static const struct sunxi_mmc_cfg sun20i_d1_cfg = {
.idma_des_size_bits = 13,
.idma_des_shift = 2,
.can_calibrate = true,
.mask_data0 = true,
.needs_new_timings = true,
};
static const struct sunxi_mmc_cfg sun50i_a64_cfg = { static const struct sunxi_mmc_cfg sun50i_a64_cfg = {
.idma_des_size_bits = 16, .idma_des_size_bits = 16,
.clk_delays = NULL, .clk_delays = NULL,
...@@ -1205,6 +1213,7 @@ static const struct of_device_id sunxi_mmc_of_match[] = { ...@@ -1205,6 +1213,7 @@ static const struct of_device_id sunxi_mmc_of_match[] = {
{ .compatible = "allwinner,sun7i-a20-mmc", .data = &sun7i_a20_cfg }, { .compatible = "allwinner,sun7i-a20-mmc", .data = &sun7i_a20_cfg },
{ .compatible = "allwinner,sun8i-a83t-emmc", .data = &sun8i_a83t_emmc_cfg }, { .compatible = "allwinner,sun8i-a83t-emmc", .data = &sun8i_a83t_emmc_cfg },
{ .compatible = "allwinner,sun9i-a80-mmc", .data = &sun9i_a80_cfg }, { .compatible = "allwinner,sun9i-a80-mmc", .data = &sun9i_a80_cfg },
{ .compatible = "allwinner,sun20i-d1-mmc", .data = &sun20i_d1_cfg },
{ .compatible = "allwinner,sun50i-a64-mmc", .data = &sun50i_a64_cfg }, { .compatible = "allwinner,sun50i-a64-mmc", .data = &sun50i_a64_cfg },
{ .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg }, { .compatible = "allwinner,sun50i-a64-emmc", .data = &sun50i_a64_emmc_cfg },
{ .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg }, { .compatible = "allwinner,sun50i-a100-mmc", .data = &sun50i_a100_cfg },
......
...@@ -186,10 +186,6 @@ struct tmio_mmc_host { ...@@ -186,10 +186,6 @@ struct tmio_mmc_host {
void (*fixup_request)(struct tmio_mmc_host *host, struct mmc_request *mrq); void (*fixup_request)(struct tmio_mmc_host *host, struct mmc_request *mrq);
unsigned int (*get_timeout_cycles)(struct tmio_mmc_host *host); unsigned int (*get_timeout_cycles)(struct tmio_mmc_host *host);
void (*prepare_hs400_tuning)(struct tmio_mmc_host *host);
void (*hs400_downgrade)(struct tmio_mmc_host *host);
void (*hs400_complete)(struct tmio_mmc_host *host);
const struct tmio_mmc_dma_ops *dma_ops; const struct tmio_mmc_dma_ops *dma_ops;
}; };
......
...@@ -751,19 +751,16 @@ static int wmt_mci_probe(struct platform_device *pdev) ...@@ -751,19 +751,16 @@ static int wmt_mci_probe(struct platform_device *pdev)
struct mmc_host *mmc; struct mmc_host *mmc;
struct wmt_mci_priv *priv; struct wmt_mci_priv *priv;
struct device_node *np = pdev->dev.of_node; struct device_node *np = pdev->dev.of_node;
const struct of_device_id *of_id =
of_match_device(wmt_mci_dt_ids, &pdev->dev);
const struct wmt_mci_caps *wmt_caps; const struct wmt_mci_caps *wmt_caps;
int ret; int ret;
int regular_irq, dma_irq; int regular_irq, dma_irq;
if (!of_id || !of_id->data) { wmt_caps = of_device_get_match_data(&pdev->dev);
if (!wmt_caps) {
dev_err(&pdev->dev, "Controller capabilities data missing\n"); dev_err(&pdev->dev, "Controller capabilities data missing\n");
return -EFAULT; return -EFAULT;
} }
wmt_caps = of_id->data;
if (!np) { if (!np) {
dev_err(&pdev->dev, "Missing SDMMC description in devicetree\n"); dev_err(&pdev->dev, "Missing SDMMC description in devicetree\n");
return -EFAULT; return -EFAULT;
......
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