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git01.mediatek.com / openwrt / feeds / mtk-openwrt-feeds / 772156434670e0105a94dd9a7dbede093537f36e / . / target / linux / mediatek / patches-5.4 / 9013-drivers-spi-mt65xx-Move-chip_config-to-driver-priv.patch
blob: d64f37616ed2a9e8372a331cf7a47471db4a0221 [file] [log] [blame]
developer1fec6432022-06-23 18:49:35 +0800[diff] [blame]1From 45ec6dfcc5f48127d5bd440fb615bbf48f3fc9c1 Mon Sep 17 00:00:00 2001
2From: "SkyLake.Huang" <skylake.huang@mediatek.com>
3Date: Thu, 23 Jun 2022 18:29:51 +0800
4Subject: [PATCH] drivers: spi-mt65xx: Move chip_config to driver's private
5 data
6
7Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
8---
9 drivers/spi/spi-mt65xx.c | 31 +++++++++++-------------
10 include/linux/platform_data/spi-mt65xx.h | 17 -------------
11 2 files changed, 14 insertions(+), 34 deletions(-)
12 delete mode 100644 include/linux/platform_data/spi-mt65xx.h
13
14diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
15index c19e2d4d7..0afd00891 100644
16--- a/drivers/spi/spi-mt65xx.c
17+++ b/drivers/spi/spi-mt65xx.c
18@@ -14,7 +14,6 @@
19 #include <linux/of.h>
20 #include <linux/of_gpio.h>
21 #include <linux/platform_device.h>
22-#include <linux/platform_data/spi-mt65xx.h>
23 #include <linux/pm_runtime.h>
24 #include <linux/spi/spi.h>
25 #include <linux/spi/spi-mem.h>
26@@ -123,6 +122,11 @@ struct mtk_spi_compatible {
27 bool need_ahb_clk;
28 };
29
30+struct mtk_spi_config {
31+ u32 sample_sel;
32+ u32 get_tick_dly;
33+};
34+
35 struct mtk_spi {
36 void __iomem *base;
37 u32 state;
38@@ -135,6 +139,7 @@ struct mtk_spi {
39 struct scatterlist *tx_sgl, *rx_sgl;
40 u32 tx_sgl_len, rx_sgl_len;
41 const struct mtk_spi_compatible *dev_comp;
42+ struct mtk_spi_config dev_config;
43
44 struct completion spimem_done;
45 bool use_spimem;
46@@ -189,15 +194,6 @@ static const struct mtk_spi_compatible mt8183_compat = {
47 .enhance_timing = true,
48 };
49
50-/*
51- * A piece of default chip info unless the platform
52- * supplies it.
53- */
54-static const struct mtk_chip_config mtk_default_chip_info = {
55- .sample_sel = 0,
56- .get_tick_dly = 2,
57-};
58-
59 static const struct of_device_id mtk_spi_of_match[] = {
60 { .compatible = "mediatek,ipm-spi-single",
61 .data = (void *)&ipm_compat_single,
62@@ -255,7 +251,6 @@ static int mtk_spi_hw_init(struct spi_master *master,
63 {
64 u16 cpha, cpol;
65 u32 reg_val;
66- struct mtk_chip_config *chip_config = spi->controller_data;
67 struct mtk_spi *mdata = spi_master_get_devdata(master);
68
69 cpha = spi->mode & SPI_CPHA ? 1 : 0;
70@@ -270,13 +265,13 @@ static int mtk_spi_hw_init(struct spi_master *master,
71
72 reg_val = readl(mdata->base + SPI_CMD_REG);
73 reg_val &= ~SPI_CMD_IPM_GET_TICKDLY_MASK;
74- reg_val |= chip_config->get_tick_dly
75+ reg_val |= mdata->dev_config.get_tick_dly
76 << SPI_CMD_IPM_GET_TICKDLY_OFFSET;
77 writel(reg_val, mdata->base + SPI_CMD_REG);
78 } else {
79 reg_val = readl(mdata->base + SPI_CFG1_REG);
80 reg_val &= ~SPI_CFG1_GET_TICKDLY_MASK;
81- reg_val |= chip_config->get_tick_dly
82+ reg_val |= mdata->dev_config.get_tick_dly
83 << SPI_CFG1_GET_TICKDLY_OFFSET;
84 writel(reg_val, mdata->base + SPI_CFG1_REG);
85 }
86@@ -326,7 +321,7 @@ static int mtk_spi_hw_init(struct spi_master *master,
87 else
88 reg_val &= ~SPI_CMD_CS_POL;
89
90- if (chip_config->sample_sel)
91+ if (mdata->dev_config.sample_sel)
92 reg_val |= SPI_CMD_SAMPLE_SEL;
93 else
94 reg_val &= ~SPI_CMD_SAMPLE_SEL;
95@@ -623,9 +618,6 @@ static int mtk_spi_setup(struct spi_device *spi)
96 {
97 struct mtk_spi *mdata = spi_master_get_devdata(spi->master);
98
99- if (!spi->controller_data)
100- spi->controller_data = (void *)&mtk_default_chip_info;
101-
102 if (mdata->dev_comp->need_pad_sel && gpio_is_valid(spi->cs_gpio))
103 gpio_direction_output(spi->cs_gpio, !(spi->mode & SPI_CS_HIGH));
104
105@@ -1025,6 +1017,11 @@ static int mtk_spi_probe(struct platform_device *pdev)
106 }
107
108 mdata = spi_master_get_devdata(master);
109+
110+ /* Set device configs to default first. Calibrate it later. */
111+ mdata->dev_config.sample_sel = 0;
112+ mdata->dev_config.get_tick_dly = 2;
113+
114 mdata->dev_comp = of_id->data;
115
116 if (mdata->dev_comp->enhance_timing)
117diff --git a/include/linux/platform_data/spi-mt65xx.h b/include/linux/platform_data/spi-mt65xx.h
118deleted file mode 100644
119index fae9bc15c..000000000
120--- a/include/linux/platform_data/spi-mt65xx.h
121+++ /dev/null
122@@ -1,17 +0,0 @@
123-/* SPDX-License-Identifier: GPL-2.0-only */
124-/*
125- * MTK SPI bus driver definitions
126- *
127- * Copyright (c) 2015 MediaTek Inc.
128- * Author: Leilk Liu <leilk.liu@mediatek.com>
129- */
130-
131-#ifndef ____LINUX_PLATFORM_DATA_SPI_MTK_H
132-#define ____LINUX_PLATFORM_DATA_SPI_MTK_H
133-
134-/* Board specific platform_data */
135-struct mtk_chip_config {
136- u32 sample_sel;
137- u32 get_tick_dly;
138-};
139-#endif
140--
1412.18.0
142