A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 11:11:45 -04:00
Code Issues Projects Releases Packages Wiki Activity

pinctrl: rockchip: do not require 2nd register area

Browse source 
Deprecate secondary register area for rk3188 pulls. Instead use big enough
initial mapping of grf registers to catch all.

The now deprecated register is still supported though.

Signed-off-by: Heiko Stuebner <[email protected]>
Tested-by: Max Schwarz <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Heiko Stübner 2014-05-05 13:58:00 +02:00 • committed by Linus Walleij
commit bfc7a42a0e
2 changed files with 14 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

15
drivers/pinctrl/pinctrl-rockchip.c
View file

@ -160,6 +160,7 @@ struct rockchip_pmx_func {
struct rockchip_pinctrl {
void __iomem *reg_base;
int reg_size;
void __iomem *reg_pull;
struct device *dev;
struct rockchip_pin_ctrl *ctrl;
@ -416,6 +417,7 @@ static void rk2928_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
*bit = pin_num % RK2928_PULL_PINS_PER_REG;
};
#define RK3188_PULL_OFFSET 0x164
#define RK3188_PULL_BITS_PER_PIN 2
#define RK3188_PULL_PINS_PER_REG 8
#define RK3188_PULL_BANK_STRIDE 16
@ -432,7 +434,10 @@ static void rk3188_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
*bit = pin_num % RK3188_PULL_PINS_PER_REG;
*bit *= RK3188_PULL_BITS_PER_PIN;
} else {
*reg = info->reg_pull - 4;
*reg = info->reg_pull ? info->reg_pull
: info->reg_base + RK3188_PULL_OFFSET;
/* correct the offset, as it is the 2nd pull register */
*reg -= 4;
*reg += bank->bank_num * RK3188_PULL_BANK_STRIDE;
*reg += ((pin_num / RK3188_PULL_PINS_PER_REG) * 4);
@ -1427,6 +1432,7 @@ static int rockchip_get_bank_data(struct rockchip_pin_bank *bank,
*/
if (of_device_is_compatible(bank->of_node,
"rockchip,rk3188-gpio-bank0")) {
bank->bank_type = RK3188_BANK0;
if (of_address_to_resource(bank->of_node, 1, &res)) {
@ -1525,8 +1531,11 @@ static int rockchip_pinctrl_probe(struct platform_device *pdev)
if (IS_ERR(info->reg_base))
return PTR_ERR(info->reg_base);
/* The RK3188 has its pull registers in a separate place */
if (ctrl->type == RK3188) {
/* to check for the old dt-bindings */
info->reg_size = resource_size(res);
/* Honor the old binding, with pull registers as 2nd resource */
if (ctrl->type == RK3188 && info->reg_size < 0x200) {
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
info->reg_pull = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(info->reg_pull))