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brcm63xx: fix gpio register usage

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The driver expected data then dir, but both dts and legacy code passed
dir then data. Fix this by making the driver expect the registers in
ascending order, i.e. dir then data.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44574 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
Jonas Gorski
2015-02-28 19:59:26 +00:00
parent a398026d16
commit cd2b8886d9
4 changed files with 12 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/brcm63xx/patches-3.14/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch
View File

@@ -87,8 +87,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+ struct bgpio_chip *bgc;
+ struct bgpio_pdata *pdata = dev_get_platdata(dev);
+
+ dat_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ dirout_r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ dirout_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ dat_r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!dat_r || !dirout_r)
+ return -EINVAL;
+

8
target/linux/brcm63xx/patches-3.14/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch
View File

@@ -100,7 +100,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
- u32 mask;
+ res[0].flags = IORESOURCE_MEM;
+ res[0].start = bcm63xx_regset_address(RSET_GPIO);
+ res[0].start += data;
+ res[0].start += dir;
- if (gpio >= chip->ngpio)
- BUG();
@@ -115,7 +115,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
- }
+ res[1].flags = IORESOURCE_MEM;
+ res[1].start = bcm63xx_regset_address(RSET_GPIO);
+ res[1].start += dir;
+ res[1].start += data;
- return !!(bcm_gpio_readl(reg) & mask);
-}
@@ -175,7 +175,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+ else
+ data_low_reg = GPIO_DATA_LO_REG;
+ bcm63xx_gpio_init_one(0, data_low_reg, GPIO_CTL_LO_REG, min(ngpio, 32));
+ bcm63xx_gpio_init_one(0, GPIO_CTL_LO_REG, data_low_reg, min(ngpio, 32));
-static struct gpio_chip bcm63xx_gpio_chip = {
- .label = "bcm63xx-gpio",
@@ -191,7 +191,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
-int __init bcm63xx_gpio_init(void)
-{
- bcm63xx_gpio_out_low_reg_init();
+ bcm63xx_gpio_init_one(1, GPIO_DATA_HI_REG, GPIO_CTL_HI_REG, ngpio - 32);
+ bcm63xx_gpio_init_one(1, GPIO_CTL_HI_REG, GPIO_DATA_HI_REG, ngpio - 32);
- gpio_out_low = bcm_gpio_readl(gpio_out_low_reg);
- if (!BCMCPU_IS_6345())

4
target/linux/brcm63xx/patches-3.18/374-gpio-add-a-simple-GPIO-driver-for-bcm63xx.patch
View File

@@ -87,8 +87,8 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+ struct bgpio_chip *bgc;
+ struct bgpio_pdata *pdata = dev_get_platdata(dev);
+
+ dat_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ dirout_r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ dirout_r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ dat_r = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!dat_r || !dirout_r)
+ return -EINVAL;
+

8
target/linux/brcm63xx/patches-3.18/375-MIPS-BCM63XX-switch-to-new-gpio-driver.patch
View File

@@ -100,7 +100,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
- u32 mask;
+ res[0].flags = IORESOURCE_MEM;
+ res[0].start = bcm63xx_regset_address(RSET_GPIO);
+ res[0].start += data;
+ res[0].start += dir;
- if (gpio >= chip->ngpio)
- BUG();
@@ -115,7 +115,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
- }
+ res[1].flags = IORESOURCE_MEM;
+ res[1].start = bcm63xx_regset_address(RSET_GPIO);
+ res[1].start += dir;
+ res[1].start += data;
- return !!(bcm_gpio_readl(reg) & mask);
-}
@@ -175,7 +175,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
+ else
+ data_low_reg = GPIO_DATA_LO_REG;
+ bcm63xx_gpio_init_one(0, data_low_reg, GPIO_CTL_LO_REG, min(ngpio, 32));
+ bcm63xx_gpio_init_one(0, GPIO_CTL_LO_REG, data_low_reg, min(ngpio, 32));
-static struct gpio_chip bcm63xx_gpio_chip = {
- .label = "bcm63xx-gpio",
@@ -191,7 +191,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
-int __init bcm63xx_gpio_init(void)
-{
- bcm63xx_gpio_out_low_reg_init();
+ bcm63xx_gpio_init_one(1, GPIO_DATA_HI_REG, GPIO_CTL_HI_REG, ngpio - 32);
+ bcm63xx_gpio_init_one(1, GPIO_CTL_HI_REG, GPIO_DATA_HI_REG, ngpio - 32);
- gpio_out_low = bcm_gpio_readl(gpio_out_low_reg);
- if (!BCMCPU_IS_6345())